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2008 jeep wrangler unlimited saharia p0404 egr engine light on

Engine light on

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Getting DTC code P0404 and P0420. What should I do?

The 420 will not go away with egr replacement. it means the computer has detected a problem with the catalytic converter. eGR valve is at the rear of the engine. Not easy to get to on vans.

Posted on May 06, 2009

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SOURCE: 2008 jeep wrangler how to reset service light

there are two ways to reset the light. you can use an obd2 scan tool to read and reset it or you can pull your battery cables off for a half hour and that will also reset it. just be forewarned if you have not fixed the problem that turned it on in the first place it will just come back on. if you have fixed the problem after 50 starts without seeing the issue again it will also clear itself.

Posted on May 19, 2009

  • 323 Answers

SOURCE: 2006 jeep wrangler check engine light came on it

There is a software update for the PCM that addresses this issue. TSB 18-028-06

Posted on Jun 08, 2009

  • 1 Answer

SOURCE: 2005 Jeep Wrangler Unlimited cruise control will not engage.

check the vacuum line on the right side of the engine. There should be an elbow connector connecting the line to the engine. Does interior fan only come out of the defroster vents by chance?

Posted on Nov 10, 2009

ourhowse
  • 2007 Answers

SOURCE: 1998 Chevy Truck 1/2 ton 350 engine. Trouble codes

404 is exhaust gas recirculation circuit, and 405 is exhaust gas recirculation sensor circuit low. EGR sensor or ground?

Posted on Nov 13, 2009

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I got a jeep wrangler unlimited 2008, glow plug indicator light shows up when the engine is cold but after it has run for sometimes and the engine


Sounds like a diesel. Glow plugs usually need to be warmed up before starting an engine. Smaller diesels either warm up quicker or it is less critical than a tractor trailer. So either your glow plug light is normal letting you know it needs time to warm up or it's letting you know they are weak and need to be replaced. I'd check the owners manual to be sure.

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A 2008 Jeep Wrangler Unlimited (4-door). The light in one of the front power window switches is burned out and the window does not operate (passenger side). How do you get at it to change the switch?


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How to reset the abs warning light?


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Car code p0404


404,
its under warantty the 8 year smog.
this is EGR failure.
and is NOX smog rules. and is in warranty.
all cars .
for 8 years.80k or 15/150k, depend on car.
but whichever first occurs
so if over 80k do say so.
the EGR can fail for many reasons.
carbon blockage ro the $100 valve is bad.
remove valve and clean it.
reset OBD2 and run car, if comes back
the EGR path must be cleaned.
typical.
http://www.jeepsunlimited.com/forums/showthread.php?532082-Federal-Emissions-Warranty-Info-HERE



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2005 Jeep Wrangler Unlimited cruise control will not engage.


check the vacuum line on the right side of the engine. There should be an elbow connector connecting the line to the engine. Does interior fan only come out of the defroster vents by chance?

Oct 05, 2009 | 2005 Jeep Wrangler

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Engine shuts off for a few seconds and restarts all idiot lights come on


You may want to check with factory recalls. There was a letter sent to 2007 owners about a computer upgrade to solve loss of sudden power along with some ABS issues.

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Rough idle, stalling


You must get the system scanned for fault codes, sounds like the electronic throttle control has a failure.

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2008 wrangler went thru deep puddle and It won't run now.


check all the cylinders....if water made it to the air filter thee is a good chance it made it to the intake...water in even one cylinder can keep it from running....does it turn over at all???

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