Question about Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: Oldsmobile Alero EGR valve bad
yes you can do it yourself the egr valve is located on the exaust manifold closest to the fire wall unfortunately it has to be replace. it has an electronic lead to it and is vaccum operated to replace it is not a difficult task. the part can be purchased at a Napa or Oreilly's for alot less than at a dealership. just make sure your gasket surfaces are clean for replacement of new gaskets. if you have a code reader than can reset the code that is a benefit however if you do not you have to have a scan tool to reset the code. please rate the solution....thanks
Posted on Sep 19, 2008
Yes the assembly is available but you will need a clutch pulling and a clutch installing special tools. They might be rentable, if not I dont think they cost alot.Its not a bad job.
You might want to read up on the job.Dont forget the gap spec.
Posted on Sep 21, 2009
SOURCE: 2004 ford f150 5.4l check
Hello, I will try to get this shadetree enough so we both can understand it. I found articles for this defect going past 2 years, so I imagine nothing new has been invented to fix it.
The Code 2104 is only showing that a secondary part was trying to adjust the idle because the primary part was not doing the job. They call it an Accelerator Paddle Positon sensor, an APP for short. I can't say if it is the same as a TPS.
The Primary part that needs fixing is the Throttle plate (body). Thats your Code 2111 and it means the throttle plates are sticking in the bore, your TAC motor is crosswired, or the Harness connector for the TAC is shorted together. The TAC is the electric valve combination built into the Intake and it looks like a miniature starter, round and elongnated. It deals with venting airflow.
The TAC, wiring harness connectors, and throttle plates are all something a shadetree can clean or inspect. Make sure the TPS you installed was properly in the slot at the Butterfly shaft. Check the small screws or rivets in each Butterfly flap as a loose Butterfly valve can jam in the bore.
Basically everything is saying the throttle is not closing to where it belongs according to the other sensors and that it is not synchronized with other moving parts. It is always open too much. I am thinking the engine is getting too much air.
Now after checking those items, if nothing is shorted,loose or binding they say you need to have the PCM tested or reprogrammed. I am thinking it might be worthwhile to buy a PCM Relay and stick it in. You can do it first or last, but as a last ditch effort to avoid a Dealer I would try it.
I would like to know what finally fixed your truck as I see some Solutions but no verifications.
Posted on Feb 10, 2011
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