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Car Forum / Pontiac / Pontiac Cars / June 2008

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3.4 other syptoms with surging

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Bob Fox - 16 Jun 2008 04:24 GMT
upon "toying " with the car, the fuel pressure is fine ,holds steady
pressure in idle and run modes and car off modes, but along with the surging
and die offs sporadditlly(please forgive the spelling if wrong) the car upon
shutting off after running awhile and then restarting will idle higher then
usuall for the first few seconds(10 or so) then drop to normal,this happens
everytime,when the car acting normal upon a hot engine the car would idle
high just a few seconds if that before lowering to normal,know it's twice to
three as long.   hope this helps    bob
Shep - 16 Jun 2008 20:54 GMT
Scan it and look at isc counts and coolant temp sensor inputs, tps inputs
also, all these things may cause this.
> upon "toying " with the car, the fuel pressure is fine ,holds steady
> pressure in idle and run modes and car off modes, but along with the
[quoted text clipped - 4 lines]
> the car would idle high just a few seconds if that before lowering to
> normal,know it's twice to three as long.   hope this helps    bob

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