2001 B4000 Check Engine Light
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From: Virginia
2001 B4000 Check Engine Light
My B4000's check engine light came on the other night and I was wondering what to expect. After reading other posts here, I think I will go by the auto parts store to have them check the codes. My truck has a little over 57k miles on it and I was wondering if this could just be programmed to come on around 60k miles so I have to take it in to the dealership so they can try to charge me for the 60k mile maintenance and reset the light. Am I just being paranoid or what should I expect to have to pay for?
Laughing Gas
Joined: Mar 2003
Posts: 943
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From: Randolph, NJ
Originally Posted by ctboyle03
My B4000's check engine light came on the other night and I was wondering what to expect. After reading other posts here, I think I will go by the auto parts store to have them check the codes. My truck has a little over 57k miles on it and I was wondering if this could just be programmed to come on around 60k miles so I have to take it in to the dealership so they can try to charge me for the 60k mile maintenance and reset the light. Am I just being paranoid or what should I expect to have to pay for?
-Jim
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Joined: Oct 2004
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From: Virginia
So I went by the AutoZone and had them check for the code. Came up "EGR flow excessive" i think its p0402? I remembered getting a warranty extension notice a couple years ago about the DPFE so I'm hoping that is what is going on here so it can be done for free by the dealership. Of course I'm gonna have to bring it in to them and get charged for them to diagnose it (assuming its not the DPFE) everything I'm reading says the most common issue is the DPFE so let's cross our fingers. More info here if anyone else has the issue: (http://www.obd-codes.com/trouble_cod...e-detected.php)
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Joined: Jan 2004
Posts: 13,851
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From: SW Va
P0402=Exhaust gas recirculation, excessive flow detected.
Could be the DPFE sensor, it's a commom problem.
Could be the EGR valve seat is leaking some, or maybe it's carboned up some & stuck open.
Were/are you having any drive ability problems just before, or since the trouble light came on????? Like maybe the engine feels sluggish, runs rough, or won't idle right, ect.
You might find the DPFE information in the "Tech Info" thread, located atop this forums main page informative.
Let us know what you find.
Could be the DPFE sensor, it's a commom problem.
Could be the EGR valve seat is leaking some, or maybe it's carboned up some & stuck open.
Were/are you having any drive ability problems just before, or since the trouble light came on????? Like maybe the engine feels sluggish, runs rough, or won't idle right, ect.
You might find the DPFE information in the "Tech Info" thread, located atop this forums main page informative.
Let us know what you find.
Moderator
Joined: Jan 2004
Posts: 13,851
Likes: 111
From: SW Va
P0402=Exhaust gas recirculation, excessive flow detected.
Could be the DPFE sensor, it's a commom problem.
Could be the EGR valve seat is leaking some, or maybe it's carboned up some & stuck open.
Were/are you having any drive ability problems just before, or since the trouble light came on????? Like maybe the engine feels sluggish, runs rough, or won't idle right, ect.
You might find the DPFE information in the "Tech Info" thread, located atop this forums main page informative.
I think maybe your a little paranoid about the Dealers & your trouble light!!!!
It only comes on when the computer doesn't feel good, or something hurts!!!! lol
No pre-programmed things that I've heard of anyway!!!!
Let us know what you find.
Could be the DPFE sensor, it's a commom problem.
Could be the EGR valve seat is leaking some, or maybe it's carboned up some & stuck open.
Were/are you having any drive ability problems just before, or since the trouble light came on????? Like maybe the engine feels sluggish, runs rough, or won't idle right, ect.
You might find the DPFE information in the "Tech Info" thread, located atop this forums main page informative.
I think maybe your a little paranoid about the Dealers & your trouble light!!!!
It only comes on when the computer doesn't feel good, or something hurts!!!! lol
No pre-programmed things that I've heard of anyway!!!!
Let us know what you find.
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Joined: Jan 2004
Posts: 13,851
Likes: 111
From: SW Va
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Joined: Jul 2003
Posts: 1,978
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From: Alvin, Texas.
Originally Posted by sfcwoodret
If anything it's probably just the O2 sensor, and it's not something that needs replacing as soon as the light comes on either.
O2's usually signal other actual underlying issues with the emissions sytem...only when the sensors are tested and confirmed to be dead are they an actual problem. If you are into that actually diagnosing an issue sort of thing...
Last edited by AlfredB1979; Sep 30, 2006 at 11:40 AM.
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