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03-14-2012
i have a 2003 3.1 and recently replaced the intake gaskets, about a week after replacing the gasket set the engine started running at a high idle 2500/3200 rpm. we replaced both the tps and iac. any suggestions would be greatly appreciated. im leaning toward a ecm problem.
Last edited by matt5112; 03-15-2012 at 09:19 AM.
03-14-2012
Sounds like a vacuum leak. Is it throwing any codes?
03-14-2012
we ckd for vacum leak couldnt find any, its giving a voltage reference code
03-14-2012
what's the code number?
03-14-2012
p1635
03-14-2012
5 voltage reference 1 circut
03-14-2012
one other thing when I disconnect the tps the high idel stops and all is normal. i replaced the tps but it comes back when it is reconnected.
03-15-2012
Right...I think that has something to do wtih the high voltage issue. Meaning.. a TPS won't fix the voltage on the circuit. You need to investigate why that circuit is now high. Look for rubbed/pinched wiring.
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