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  #1  
Old 01-27-2016, 09:02 PM
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2005 Jeep Grand Cherokee - Check Engine Light -

Hey Guys,

Would love some insight. I have a 2005 Jeep Grand Cherokee 5.7 that just turned 75k miles. Did some driving this weekend. About 200 miles down south, then the Jeep sat for a day. Drove home, 200 miles back up north. About half way back to home, the Check Engine Light came on. I freaked out, cause I havent had any issues at all with this jeep.

I took it easy on the freeway the last leg home. Jeep still ran like a dream, great gas mileage (18mpg) no shakes, no funny smells, no nothing.

I didn't have a code reader at that moment, but looked online for some quick troubleshooting tips.

Checked the gas cap, and reseated accordingly. Light still on.

Checked under the hood for anything weird....

I DID find that an air inlet/outlet tube that went to my cold air intake had gotten lose. Not all the way disconnected, but def getting there. Re-seated it and the light was still on.

1 day later.... check engine light no longer on. Did this fix the issue? Was that it?

Got a OBII bluetooth reader and pulled the last code. P0404 - looked it up, Exhaust Gas Recirculation.

Do you think loose air intake tube could have caused the issue. I never cleared the check engine light, it just went off on its own?

Sorry this is long and boring, but can anyone offer me some insight. EGRs are cheap, but heard install is a bitch getting your hand and tools down there to get the old one out.

Let me know. Any help would be great

Thanks

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  #2  
Old 02-09-2016, 10:33 PM
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Re: 2005 Jeep Grand Cherokee - Check Engine Light -

just wanted to bring this up from the grave...
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Old 02-10-2016, 06:59 AM
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Re: 2005 Jeep Grand Cherokee - Check Engine Light -

So did the check engine light come back?
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Old 02-10-2016, 03:29 PM
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Re: 2005 Jeep Grand Cherokee - Check Engine Light -

Quote:
Originally Posted by macmac View Post
just wanted to bring this up from the grave...

Mine is also a 2005 Grand Cherokee 5.7. Mine was at about 107000 when the egr went out. It is actually an easy replace. Don't have to take the alternator out or whatever anyone says. It will be tight and you'll have to use an open end for some of the bolts but it's do able.
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Old 02-10-2016, 03:31 PM
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Re: 2005 Jeep Grand Cherokee - Check Engine Light -

Quote:
Originally Posted by macmac View Post
just wanted to bring this up from the grave...

Also I don't see any way the intake could affect the egr
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Old 02-10-2016, 03:45 PM
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Quote:
Originally Posted by JeepFan101 View Post

Also I don't see any way the intake could affect the egr
Especially since the egr only recirculates exhaust gasses from the head back into the intake manifold lol
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Old 02-10-2016, 09:53 PM
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Re: 2005 Jeep Grand Cherokee - Check Engine Light -

It could have been a transitory hickup code, plus there are many codes that are "one trip fault" and "three good trips" will turn it off. I recently got the dreaded "Service 4WD System" showing on the EVIC (real cold damp morning) and it went off after 3 stop/start cycles. Haven't seen it since.
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Old 02-12-2016, 02:59 PM
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Re: 2005 Jeep Grand Cherokee - Check Engine Light -

Quote:
Originally Posted by JeepFan101 View Post
Mine is also a 2005 Grand Cherokee 5.7. Mine was at about 107000 when the egr went out. It is actually an easy replace. Don't have to take the alternator out or whatever anyone says. It will be tight and you'll have to use an open end for some of the bolts but it's do able.
.

yup, did mine in about 30 minutes, no bolt cutting as somebody wasted so much time and effort to do, and posted with pictures in the how to section. Just remove the top bolt on the egr, wiggle it to loosen, then rotate it to the left. Then the bottom bolt is out in the open, easy to remove and install. Piece a cake actually
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Old 02-12-2016, 07:43 PM
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Re: 2005 Jeep Grand Cherokee - Check Engine Light -

The light has not come on again. Everything seems normal....
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