Is 7e8 engine code bad

Web unfortunately for you, the $7e8 and $7e9 engine codes mean bad news! 7e8 is not specific to the. Any vehicle can emit these if its having trouble with the emissions system. Web The 7E8 Code Will Be Stored Whenever The Engine Has A Problem, And The Cel Will Illuminate. Web is it safe to drive my car with the 7e8 engine …

16 Answers Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Table of Contents show.Stored Codes $7E8 and $7E9. 2017 Rubicon Unlimited Hard Rock with automatic and 3,800 miles. Took it in a week ago when the "check engine" light popped on. They found a P0441 code and said it pertained to RRT 17-015 (IM Purge Port Excess Flash Matl). They performed a repair and every thing was fine, no lights or performance issues.What Is A 7E8 Engine Code In A Car? Understanding The Common Causes Of 7E8 Code. 1. Damaged Or Unsecured Gas Cap: 2. Troubleshooting Oxygen Sensor: 3. Problems With Catalytic Converters: 4. Vacuum Leaks: 5. EGR Valve Not Working: 6. Fuel-Related Issues: 7. Issues With The Ignition System: How To Fix The 7E8 Engine Code In A Car? 1. Check The ...Hi! My check engine light turned on today and keeps blinking, we got code 07e8 and 07e9, and the throttle response is sluggish. Its a 2016 Kia Sorento 2,2 diesel engine with automatic transmission. Re … read moreP1123 Throttle Position Sensor In Range But Higher Than Expected. P1124 Throttle Position Sensor Out of Self-Test Range. P1125 Throttle Position Sensor Intermittent. P1127 Exhaust Not Warm Enough - Downstream O2 Sensor Not Tested - Read Our Article on Oxygen Sensor Codes For Help With This Ford Check Engine Light Code.The 7e8 Engine Code denotes the powertrain of an engine and should be distinct from the 7e9 code, which denotes the powertrain of a transmission. A variety of causes can contribute to the 7e8 engine code Chevy. That is why a good diagnosis is critical before attempting to solve the problem. Therefore, if you have a multi-purpose OBD2 scanner ...1 Answer. SOURCE: 2001 jeep grand cherokee the compass/temp. Before replacing the module ($$$$) check the temperature sensor at the front of the vehicle behind the bumper or grill. A reading of -40 indicates a high resistance (NTC resistor sensor). This is probably due to water ingress on a connector causing the high resistance.

The code 7E8 on a Dodge Charger is a generic diagnostic trouble code (DTC) that indicates a communication fault with the vehicle’s engine control module (ECM). This code is typically accompanied by another code that provides more specific information about the issue.Symptoms of a bad ignition switch include failure of the engine to turn over when the key is turned to the “start” position and failure of the radio or headlights to work when the ...10 posts · Joined 2016. #1 · Oct 11, 2016. Hey, I had a thread regarding a fault code, and EML being on. When I start the car now, the EML light goes out...however the code reader still picks up a code... P2453 $07E8. I know the P2453 code is for the differential pressure sensor...I cleaned the contacts on it last night which seems to have ...That is what they call a "generic" code. Some OBD11 or OBD2, "same thing", scanners will give a $7E8 and $7EA. together and maybe a $7E9. These are for a sub menu. Click on each one separately and you should or might get a regular "P0" code if your scanner. has the supported module.The symptoms of bad gas involve a lean misfire, which creates a P0300 code in newer cars, engine detonation and pinging, sputtering and stalling. Receiving bad gas from a fueling s...

the codes are $7eb and$7ea. Chevy Mechanic: Jeffrey Buck. Unfortunately those are not codes that I can help you with. Those are sub-categories that youll find in Chevy vehicles when scanned with a generic scan tool. There is no publication or any record of the manufacturer recognizing those as fault codes.Most auto parts will scan for ECM codes Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different 2008 Silverado LT, Crew Cab, 2WD,LBThe 7E8 engine code is a common topic of discussion among car enthusiasts and mechanics.Many people wonder if this engine code is bad and what it means for their vehicle.The truth is, the 7E8 engine code is not necessarily bad on its own. It is simply a generic code that indicates a problem with the engine. To determine the severity of the issue, it is important to look at the accompanying ...What is code 7E8 engine? 7E8 engine code represents the car's engine data stream and indicates 'air pressure' loss for the evaporative emission control system. Usually, the 7E8 code implies engine powertrain; 7E9 Implies the transmission powertrain. Possible causes to see 7E8 code are: Leaking, disconnected, or plugged fuel vapor lines.If the P1326 code is caused by a bad KIA or Hyundai ECM software, you can have it upgraded for free at the dealer. If it's caused by a faulty knock sensor, expect it to cost $150 to $450. However, a seized engine can cost over $10,000. If you've done the diagnostics and you know what's wrong, you are ready to proceed with the fix.

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When you determine their engine code 7E8, some of the following can be the cause of it: Broken Fuel Filler Cap. The fuel filler cap. The fuel filler cap is critical to the car's evaporative emission control system. It keeps fuel from evaporating in the fuel tank and keeps foreign materials and water from entering and contaminating the power.Engine light came on a few, Code reads $7E9:A/T AND $7E8:ENGINE, 2008 VW touareg v6, Nothinges just happen today got the - Answered by a verified VW Mechanic. ... 2008 vw Touareg v6 I replaced twice the driveshaft, first time the rubber joints when bad plus the support bearing. Got an aftermarket one and it last a week.‘I hate myself. I am a bad seed. I make myself sick. I ruin everything.’ Sound familiar? Do you struggle w ‘I hate myself. I am a bad seed. I make myself sick. I ruin everything.’ ...You will often find this code together with another code of the specific cylinder the misfire occurred on. If the last digit of the trouble code is not zero, e.g., if the generated code is P0302, the number 2 indicates that cylinder number 2 has a misfire. The misfire of an engine cylinder causes the engine speed to fluctuate.I have the following codes $ 7EA ,$7E8: engine. And $7E9:A/T, The codes are $7EA.$7E8: engine and $7E9:A/T, 2004 Ford - Answered by a verified Ford Mechanic. ... Not too many major things go bad with the hybrids but anything is possible. Ask Your Own Ford Question. Ford Mechanic: ...

The code 7E8 on a Dodge Charger is a generic diagnostic trouble code (DTC) that indicates a communication fault with the vehicle’s engine control module (ECM). This code is typically accompanied by another code that provides more specific information about the issue.When the trouble code, P2770 is stored in your Toyota's ECM, the reading is stuck at lean for that sensor and the ECM can no longer accurately regulate the air/fuel ration. The occurrence of the code P2270 will cause a check engine light or SES light to illuminate on your dash. Long list of engine trouble codes and diagnostic info.2008 Suzuki Forenza OBD2 Code $7E8 what is OBDII code $7E8 - Suzuki 2008 Forenza question ... your scan tool is bad? what scan tool shows that.? name it. please. ... No such coded's . Take to a qualified repair shop that has a professional scanner . All engine Code's OBD2 start P0 - P0101 P0171 etc. Read full answer. May 27, 2018 • Cars ...Please include year make model in all Vehicle related question. Thanks Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Codes $7E8, $7E9 and P1326?Error codes 7E8 and 7E9 are generic codes that can appear on a variety of vehicles. They indicate that there is a problem with the communication between the ...You can trace the reduced cycling rate of an oxygen sensor's cross-counting voltage activity to problems that affect either the device, engine performance or the exhaust system. The following issues can cause the PCM to set a P0153 code: Bad or failing oxygen sensor; Oxygen sensor circuit problems (e.g., damaged wires or poor connections)The 7E8 engine code is a common topic of discussion among car enthusiasts and mechanics. Many people wonder if this engine code is bad and what it means for the. 7E8-motorkoden er et almindeligt diskussionsemne blandt bilentusiaster og mekanikere. Mange mennesker spekulerer på, om denne motorkode er dårlig, og hvad den betyder forBeing a Focus with a no start chances are you need a new TCM (trans control module). WHen the key is in the ignition look at the PRNDL in the message center. The selected gear should be highlighted with a box around the letter. If you have no square the car doesn't know what gear it's in. If it's a TCM, the part is about $450.7e8 engine code There appears to be a misfire and the code coming up was $7e8 .... Please advise. I was told 2 of - Dodge Cars & Trucks question. Search Fixya ... due to the fact that these vehicles have had some bad problems with the length of wires and hoses, if there is a vaccum leak in the vehicle somewhere that will trigger other ...The 7ea engine code chevy silverado isn’t actually a malfunction code. This 7ea trouble code will be shown when the OBD scanner requires additional input, for example, information about the kind of elements being examined.SOURCE: engine code $7E8: engine. $7E8 and $7E9 are sub menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that sub menu. ... The water pump was bad and I changed that and fixed that problem but I still have the leak around the motor mount. Read full answer. Be the first to answer ...After fueling my 2006 Chrsler 300 C Hemi it sputters and dies. most likely problem is a bad fuel pump. Filters can be in tank or anywhere from the tank to the engine compartment depending on manufacturer and model. You put in new filters when you put in a new pump. UNLESS YOU ARE REAL HANDY AND HAVE THE TOOLS and a manual, fuel pressure tester ...

The engine light is on the code is7E8 &7EA i have a cadillac cts 20012 what does that mean? No it has not i did and the - Answered by a verified GM Mechanic ... I got engine codes 7E8 and 7EA today on my 2017 GMC Canyon with about 74,000 miles. ... I'm just wondering if a bad TPS on my 10 cts 3. 2010 will a.

Your engine may have been reading sensors incorrectly and caused temporary lights-out performance. The 7EA Engine Code can show up when diagnosing the engine with a scan tool that has specific diagnostic and repair information. This means that it is not necessarily related to a genuine problem, but instead may just be a sign of an issue that ...P0171. 7e8 engine and 7ea 2011 Chevy cruz 2lt. Automatic 6 with manual 61046miles. ... from Houston Texas to Gray Louisiana with no problem but on Tuesday or Wednesday I was driving it around and got these codes and the truck started running bad but after about a minute or two the check engine light went off and the truck started running fine ...The 7E8 engine code is a generic code some scanners display, which usually requires further investigation to pinpoint the exact issue. This guide will walk you through understanding and troubleshooting the 7E8 engine code to get your vehicle back on the road. Shop Car Code Reader Now. Understanding the 7E8 Engine CodeI have a 2004 Prius with 120,000 miles. Engine light came on. Code reader indicates 'Control Module' $7EA and $7EB. Has anyone seen these codes and...Engine code 7E8 diagnosis can be time-consuming due to the many potential causes. Because of this, you should bring your car to a technical mechanic with experience in professional auto repair if you are not an experienced do-it-yourselfer. What causes engine code 7e8? The 7E8 engine code can appear for many different reasons.Different scan tool display engine powertrain , transmission powertrain and ABS system. These 3 control modules for the scan tool to read. the fault codes will be in the engine control module, but the 7E8 is letting you know there are codes, you need to select the engine control module to read the codes. same for 7E9How to clear the engine codes without a Nissan CONSULT or scan tool. 1. Set ECM in Diagnostic Test Mode II (Self-diagnostic results). 2. Fully depress the accelerator pedal and keep it for more than 10 seconds. The emission-related diagnostic information has been erased from the backup memory in the ECM. 3.$7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor …

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The 7E8 and 7E9 engine codes for Ford vehicles refer to specific diagnostic trouble codes (DTCs) that indicate issues with engine performance. These codes are often displayed on a vehicle’s onboard diagnostic system and can help mechanics and technicians pinpoint the source of the problem. 2. Common Causes and Symptoms of the 7E8 and 7E9 Codes.Check engine light on. Mechanic's Assistant: Does the light stay on, or does it blink? Codes read as $7E8:A/T stays on other code $7E8:engine. Mechanic's Assistant: What is the make/model/year of your car? 2010 Hyundai Santa FE. Mechanic's Assistant: Are you fixing your Santa Fe yourself? What have you tried so far?The 7e8 engine code is one of the most common codes, meaning that it can be caused by many things. Some possibilities are: A bad throttle position sensor (TPS). …After replacing the water pump and alternator belt on a 2008 Toyota Yaris. SOURCE: engine code $7E8: engine. $7E8 and $7E9 are sub menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that sub menu. SOURCE: would like to know what is code number 7e8 and 7e9 on a jeep …The code is a menu of systems that the OBDII scanner can access. OBDII scanner interprets the code and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemHi, These two terms are really not codes, at least not diagnostic trouble codes. The 7E8 is an engine data menu. The 7E9 is the same for the transmission. Is the check engine light staying on when the engine is running? Are you experiencing any engine or transmission issues?Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System. Menu Code 7E9 ($7E9): Transmission System. Menu Code 7EA ($7EA): Engine Management.If you see error codes 7E8 and 7E9 on your diagnostic test, it means that there are failures in the engine control system and the transmission management system, respectively. These failures can cause a variety of problems with your car’s engine or transmission.Jan 25, 2024 · Common causes for the 7e8 and 7e9 engine codes. The 7e8 and 7e9 codes can be triggered by various issues within the engine system. Some common causes include: 1. Faulty Oxygen Sensor: A malfunctioning oxygen sensor can cause an imbalance in the air-fuel mixture, leading to the engine codes. 2. The P0420 code indicates that the Engine Control Module (ECM) has identified a decline in the efficiency of the catalytic converter on Bank 1. This could be attributed to a malfunctioning catalyst or potentially be a false alarm triggered by a defective O2 sensor. The engine control module (ECM) uses two O2 sensors, one in front, and one behind ...OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System Menu Code 7E9 ($7E9): Transmission SystemShop Car Code Reader Now. Understanding the 7E8 Engine Code. The 7E8 engine code isn't a fault code in itself. Instead, it's a command code that your vehicle's OBD-II scanner displays, indicating that there's an issue that needs further investigation. The actual problem could range from a minor sensor malfunction to more significant engine ... ….

The good news: Humanity will survive climate change. The bad news: The only ones who do will be genetically modified superhumans. The late physicist Stephen Hawking’s last writings...The 7e8 engine code is one of the most common codes, meaning that it can be caused by many things. Some possibilities are: A bad throttle position sensor (TPS). The TPS sends information to the engine computer so that it knows how much air is entering your car's cylinders. If this part fails, it will cause a 7e8 engine code to appear on your car's dashboard or in its data log. A broken wiring ...MECHANIC. 108,205 POSTS. Hi, What you have, $7E8 & $7E9, are not codes. They are module addresses for the powertrain control module (PCM) and the transmission control module (TCM). Most codes retrieved will start with the letter P and be followed by 4 numbers. For example, P0301 indicates a cylinder one misfire.Common Trouble Codes Related to $7E8. As mentioned above, $7E8 is a designation used to describe a vehicle’s engine control module. Therefore, this menu will be selected when attempting to access engine related faults. The following are several faults most commonly stored by this module. P0300 – P0305: Cylinder misfire; P0171 – P0175: O2 ...The 7E8 is more of a menu for the engine data stream than a code. It represents the data stream of the car's engine and also indicates air pressure loss in the evaporative emission control system. Often, when this engine code comes up, it implies an engine powertrain. Engine codes help you to identify any potential engine problems so you can ...2012 Subaru Outback Engine Code 7E8 and 7E9. JVOYER64 MEMBER; 2012 SUBARU OUTBACK; 1.2L; 4 CYL; AWD; AUTOMATIC; 78,000 MILES; Would like to know how to fix. Do you. have the same problem? ... HE SAYS THE CODES ARE NOT CODES AT ALL, BUT MEANS THE SCANNER IS UNABLE TO TALK TO THIS VEHICLE HE SAYS USE A DIFFERENT SCANNER (BRAND) TO TRY TO SCAN FOR ...When you determine their engine code 7E8, some of the following can be the cause of it: Broken Fuel Filler Cap. The fuel filler cap. The fuel filler cap is critical to the car's evaporative emission control system. It keeps fuel from evaporating in the fuel tank and keeps foreign materials and water from entering and contaminating the power.The Diagnostic Trouble Code (DTC) P0198 indicates "Engine Oil Temperature Sensor Circuit High.". The power control module (PCM) sets code P0198 when the voltage signal sent by the oil temperature sensor is too high. The common issues setting this code could be a bad oil temperature sensor, faulty PCM, and sensor wiring issues.7E8 ENGINE CODE - Hyundai Cars & Trucks. SOURCE: engine code $7E8: engine. $7E8 and $7E9 are sub menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that sub menu. SOURCE: I have a 2013 Mitsubishi Outlander engine code $7E8:Engine, is P0420 which is the catalyst System efficiency ... Is 7e8 engine code bad, They can read and study a wide variety of code with a product like an OBD scanner which saves your time and resources. What Is 7e8 and 7e9 Engine Code? 7e8 is great for engine control works, and 7e9 is the transmission managements' menu only. Both these codes are not dangerous as such and do not need a cause of worry., Error code 7E8 typically indicates a problem with the engine control module (ECM), which is also sometimes referred to as the powertrain control module (PCM). The ECM is responsible for managing and regulating a number of different engine-related functions, including ignition timing, fuel delivery, and emissions … See more, Dec 3, 2021 ... "7E8 this is not code but a menu for the engine data stream, you would also have a 7E9 and this is for the transmission. Different scan tool ..., Engine problems: Issues such as a misfiring engine or incorrect fuel trim can cause poor catalytic converter performance, leading to the appearance of the P0421 code. Bank 1 issues: The P0421 code specifically refers to the performance of the catalytic converter located on Bank 1 of the engine. This is the bank containing cylinder one., In this video, we delve into the intricacies of the 7E8 engine code and its significance for your vehicle. For a comprehensive guide and detailed explanation..., CODE 89 IS FUEL PRESSURE REGULATOR 1 PERFORMANCE.CODE 642 SENSOR REFERANCE VOLTAGE CIRCUIT "A" LOW.AND CODE 2004 IS ITAKE MANIFOLD RUNNER CONTROL STUCK OPEN.CK FOR BAD OR MISSING VACUUM LINES.IS IT STILL UNDER WARRANTY. SOURCE: 1999 VW Passat low idle. replace …, OBDII Engine Light Trouble Codes Definitions, Description Repair Information. e.g. P0420 P0455. Popular Codes, 7E8 engine code. 7E8 engine code represents the car's engine data stream and indicates 'air pressure' loss for the evaporative emission control system. Usually, the 7E8 code implies an engine powertrain; 7E9 Implies the transmission powertrain. Possible causes see the 7E8 code are: Leaking, disconnected, or plugged fuel vapor lines, Engine code P0456 could be caused by a number of things, including a loose gas cap, a faulty valve, or a leaking fuel tank. If you'd like to try to fix code P0456 at home without throwing money at parts, you'll want to follow the steps below for proper diagnosis. Keep in mind this is an intermediate-level diagnosis and repair and not ..., The 7E8 and 7E9 engine codes mentioned in Popular Mechanics Magazine refer to the specific engine types used by Nissan. The 7E8 code represents a VQ35DE engine, which is a V6 engine commonly found in Nissan vehicles. The 7E9 code, on the other hand, represents a VK56DE engine, which is a V8 engine typically used in larger …, If the TCC solenoid fails in a closed position, it causes the engine to stall since the transmission can't slip. With the P0740 trouble code set in your car's computer, you need to take swift action. It's important to get to the bottom of what's going on, so you can avoid permanent transmission failure., In this video, we delve into the intricacies of the 7E8 engine code and its significance for your vehicle. For a comprehensive guide and detailed explanation..., Step 4: Access the Codes. Locate the codes menu and press the “Scan” button. If the 7E8 7EA engine code appears, use the button indicated “Scroll” to select it. After scrolling to this engine code, press the “OK” or “ENTER” button. The buttons have varying symbols depending on the type of scan tool used., I have a 2004 Prius with 120,000 miles. Engine light came on. Code reader indicates 'Control Module' $7EA and $7EB. Has anyone seen these codes and..., Mar 20, 2024 · The “7E8” engine code is a generic powertrain code that can indicate a variety of issues with your vehicle. To fix this code, you’ll need to determine the specific cause by using a diagnostic tool to read the code’s associated trouble codes. and in terms of how to fix the “7E8” engine code, it’s important to first retrieve the ... , Different scan tool display engine powertrain , transmission powertrain and ABS system. These 3 control modules for the scan tool to read. the fault codes will be in the engine control module, but the 7E8 is letting you know there are codes, you need to select the engine control module to read the codes. same for 7E9, Today I was working on an older Dakota 5,2L and had the OBD tool out. I hooked it up to the Rubicon and found two stored codes in my system ($7E8 and $7E9). I’m guessing that these codes are probably related to the earlier “check engine” situation and repair a week ago, but haven’t been able to confirm this., Code P0606 tends to be set when a PCM/ECM has failed. Depending on component condition and the make and model of a vehicle, it may be possible to resolve an internal integrity fault in the PCM/ECM by upgrading or re-flashing the control module. Otherwise, replacing and reprogramming the control module will be necessary., The truth is, the 7E8 engine code is not necessarily bad on its own. It is simply a generic code that indicates a problem with the engine. To determine the severity of the issue, it …, 1 Answer. SOURCE: engine code $7E8: engine. $7E8 and $7E9 are sub menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that sub menu. Posted on Apr 27, 2012. Helpful 0. Not Helpful., Sep 15, 2023 · Error codes 7E8 and 7E9 are generic codes that can appear on a variety of vehicles. They indicate that there is a problem with the communication between the ... , This code registers if there is an issue with the driver circuit for ignition coil number 2. The P0352 code is typically triggered by a faulty cylinder #2 ignition coil, damaged wiring or connections, or PCM issues. These issues can cause your engine to run rough or have misfires. The check engine light can also illuminate., Jan 24, 2024 · The 7e8 and 7e9 engine codes can be triggered by various factors. Some common causes include faulty oxygen sensors, issues with the fuel system, vacuum leaks, malfunctioning catalytic converters, and problems with the ignition system. It is essential to diagnose the specific cause accurately to address the underlying issue effectively. , 11 posts · Joined 2010. #6 · Feb 18, 2012. Thanks for the replies... I had a check engine light, and the guy used the OBDII scanner and the two codes he pulled up were the "7E8: Engine" and "7EA"... he didn't know what it was either. I've looked online with no luck, so not sure what to do., P06DA Code - Engine Oil Pressure Control Solenoid Valve Control Circuit - Code Popularity: 11,813 Views - Repair Importance Level: 3/3 - Repair Difficulty Level: 3/3. Table of contents. Created and updated by William Orellana on Jul 14, 2022. Possible Causes;, Jul 30, 2020 · Repair costs associated with replacing a bad MAF sensor, average $230-280 in parts and labor, while a damaged oil pan can run anywhere from $570-630 in parts and labor. To properly diagnose the 7E8 code, visit a reliable service center. , SOURCE: auto scanner code 1698 The P1698 code means that no digital data is being received by the powertrain controller from the transmission control module, located on the right inner fender. The manual says to check the CCD bus wires between the module and the rest of the system using the Chrysler diagnostic readout box. But if you don't have one then I think you can do the same thing by ..., Tonight’s riveting Breaking Bad finale resolved the fate of all of its main players. Except for one: AMC, the network that the series has left behind. Can it still break good witho..., Satisfied Customers: 2,834. Experience: Auto Instructor at Universal Technical Institute. Verified. Hello, my name is James. These are the codes you sent me $7EA and $7E8. These are not valid GM codes. GM codes for the powertrain begin with the letter P and have four numbers after the letter. The same holds true for the body and chassis codes., 4. 47770. 106 posts · Joined 2013. #6 · Jul 30, 2017 (Edited) Filled up my 2014 JGC diesel and the check engine light came on after a few miles. Have an appointment in two days (diesel tech not in until August 1st). In the meantime, we have taken two 40 mile trips, one pulling a 5,000 trailer. Check engine light is still on, not flashing ..., Stored Codes $7E8 and $7E9. 2017 Rubicon Unlimited Hard Rock with automatic and 3,800 miles. Took it in a week ago when the "check engine" light popped on. They found a P0441 code and said it pertained to RRT 17-015 (IM Purge Port Excess Flash Matl). They performed a repair and every thing was fine, no lights or performance issues., The 7e8 engine code is a generic trouble code that is used to identify an…, The 7E8 and 7E9 engine codes mentioned in Popular Mechanics Magazine refer to the specific engine types used by Nissan. The 7E8 code represents a VQ35DE engine, which is a V6 engine commonly found in Nissan vehicles. The 7E9 code, on the other hand, represents a VK56DE engine, which is a V8 engine typically used in larger Nissan models.