Question about Dodge Ram Pickup 2500

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What does $7e8 - physical can mean

My check engine light came on and i dont know what this code means, please help.

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  • Todd Parrino Nov 03, 2012

    i didnt notice this was listed as a dodge ram. i own a chevy silverado 3500 with three different codes: $7e8, $7ea and $7ee.

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3 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

GARYca
  • 672 Answers

SOURCE: Evaporative Emmission System Malfuction----p0446

Possible leaks, clogs, malfunctioning VSVs (vacuum switching valves), and faulty Evap charcoal canister. This system is designed to remove harmful vapors in the fuel system and preventing these vapors to enter the atmosphere, regulate fuel pressure, by sending it into the combustion chamber to be burnt.

Diagnostics for P0446:
1. Inspect vacuum hoses and pipes
between EVAP (Purge) VSV and
Charcoal Canister for leaks.
2. Replace Vapor Pressure VSV and
Canister.

Hopefully this helps

Posted on Aug 16, 2009

  • 1 Answer

SOURCE: what doe the code mean p0171 for 2004 mercedes

either a vaccum leak, or a dirty mass air flow (maf) sensor. the sensor you can clean with crc maf cleaner spray at your local auto parts store. as for the vacuum leak, i heard there is a recall for m271 engines to replace two faulty vaccum lines. one line goes to the s/c, and i believe the other one is right next to it. check if your car needs this recall and go from there.

Posted on Dec 31, 2009

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1 Answer

What do 7E8 means


7E8 and 7E9 these are not codes what they are are system 7E8 is for the engine powertrain and 7E9 is for the transmission powertrain, go to the menu 7E8 if it list a DTC (diagnostic trouble code) select it, and it would read a P code such as P0XXX or P1XXX same

**Copied from AutoCodes.com

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1 Answer

Engine code 7e8 on a Dodge Ram 1500


Hi there my name is Brandon and Im a electronic n mechanical engineering technician mechanic!! I am the man regular mechanics call when they can not find out or fix a problem I will help you n tell you step by step what to do!! What year model is it??? The codes don't tell you whats wrong it is a guide to help you!! Tell me what the truck is doing please so the more information I have will help me to help you better

Thank you God bless you,
Your engineering technician
Brandon

Ps if you how any questions you can email me and I will get back to you asap
(brandonbrownfeb1990.bb@ gmail.com)

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I scanned my jeep cherokee and in the control module the codes $7E8: Engine and $7E9: A/T pop up. what does that mean? my abs and traction control lights just randomly came on.


Unfortunately the code reader you used is spitting out garbage.

Proper codes will start with a letter followed by four numbers. P0102 for example.

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by what means... must we guess that (dash, autozoned, a real tool)
my guess, your scan tool is bad?
what scan tool shows that.? name it. please.

use a real scan tool and do not use anything else.
only a real tool shows all codes stored.
Pxxxx
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So your check engine light came on. I would definately reset the error registry by disconnecting your battery for a couple of minutes...reconnect battery. Start the car up and see if the light still comes on...If it does, I would recommend getting the code read to determine exactly what it means. Could be something as simple as a sensor to something more serious.

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The engine light is on i dont know what it means i checked the oil trans and i dont know what eles


I'd go to an auto parts store that will check for any diagnostic codes free of charge (autozone and advance auto both do) and if you have any codes, list them here and I can tell you their definitions and the most common solutions to fix them in detail if needed

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