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SERVICE ENGINE SOON LIGHT

rockbassray

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Hi i have a 2000 GTP, just turned 89,500 on it and the service engine light is on.. I have no warrenty with it anymore and wonder if anyone here might know what it is i need done so i can save myself the money. Thanks guys (girls)
 

Fish

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You can either find a member close to you with an autotap that can scan the code, or take it to autozone and they will scan the code for free.

I am in the Elk Grove area if you need the code scanned.
 

rockbassray

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Thanks for the quick response! I will take it to autozone tomorrow see what results i get and post them here. If i cant help it myself anyone interested in working on my car and teaching me at the same time>? I am located in glendale hts.
 

rockbassray

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I got the code and info.. if anyone knows what I need to do to fix this.. please post.. THANKS!!!


P0401 Exhaust Gas Recirculation Flow Insufficient Detected
 

Fish

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Its the EGR.

Did you do headers recently?? Or any other mods??
 

Fish

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Hrm, either the EGR is bad, or the lines are crimped or blocked.

It isnt going to effect your car. It just reuses unburned fuel. Lots of people block off the EGR.
 

98 TGP TOY

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Yea...i took mine off. I have two extra ones at home. If you end up needing to replace it, let me know and Ill send them to you cheap.



But things to check. I will assume that you know very little about under the hood....just to make this easier.

Pop your hood and find your air box. It will be the big black box near the driver side of the car and right behind the headlight. Follow the flexible tube that comes out of this box until you reach an aluminum part with lots of wires going into it. This is your TB. You should be able to see the bolts that attach the TB to the Supercharger. Right behind this connection point there will a black cylinder with a black plastic cap with wires coming out. This part is your EGR. Look at the tubes coming out of the egr and see if they are bent, broken, missing, or not connected. If this is the case then this will be your problem.


You will probably need to remove your engine cover to view this. To remove it, just unscrew the Oil Cap Neck, not just the cap, with your hand. Now the cover will come up and off. It is held down in the back also.


Sorry if all this was too basic....but many people dont know what a TB is. I thought this would be the easiest way.


Anyways...if you still have trouble...look at this picture. In the very top left is the EGR. It is the last part you can see in the top left of the screen:




Hope that helps
 
I

imported_Ron Vogel

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Some times the EGR can become clogged, and may be serviceable. You will have to remove the unit itself, and clean it out real well with a screwdriver and wire brush, and reinstall.
 

rockbassray

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Thanks a bunch GUYS! i knwo things under the hood pretty well.. but thanks for the easy step by step!!.. i wil lgive it a go.. I onyl asked all this cause my service light is on and this code is what made my car fail the emmissons test! :(... If any of you need computer repair of help let me know i run my own company.. N.U.R.D.S. Networking Updating Reapir Data Services.!!! I will let you know how this turns out!! TY
 
S

sr71_rgl

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Originally posted by rockbassray@Nov 16 2004, 11:34 AM
I got the code and info.. if anyone knows what I need to do to fix this.. please post.. THANKS!!!


P0401  Exhaust Gas Recirculation Flow Insufficient Detected
[snapback]60487[/snapback]​

RBR-
I'd be willing to bet that little spring valve in your EGR is stock closed. The EGR is behind the TB downward and towards the firewall. Give it a shot and post your results.
 

98 TGP TOY

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Its the thing on the left side of this picture....you wont have the part connected to it on the right ;)

 

rockbassray

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Well went o autozone.. something is up with the egr.. so i went home and took it off.. noticed the gasket was pretty worn,, along with the inside to be pitch black... i ordered a new gasket and should get that soon, and bought mystery fuel cleaner it is called.. i was told it will help get rid of the carbon build up in there...on the bottom of the egr there is a hold and then a screw that seems to go up and down inside the egr.. it seems to move just fine.. if that was what you guys were talking about as the switch or trigger.. that may be stuck..
 

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