Join Date: Oct 2008
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The only codes were CPS and TPS; CPS was replaced earlier under a recall, turns out the replaced part was also duff so I had that replaced again for free, but didn't cure the problem, or in fact change the symptoms at all. No one sells just the accelerator pedal position sensor, have to buy the entire assembly for which the dealer wants $600 Cdn. Best I've found in a wrecking yard was $250 Cdn.
The sensor is a sealed unit, tried cleaning the spring as best I could with contact cleaner. Does anyone know of a way to test the unit? It might well be the input side of the PCM rather than the output side of the accelerator sensor, hate to buy a new part I don't need but can't think of any other option to see if it works.
Conversely, does anyone out there have a sensor from a wreck they want to dispose of?
There are no other visual indications aside from "check engine" and the flashing OD light; but mine isn't a digital dashboard. I'm not driving it until I figure it out, so no worries about thrashing it any worse. I have found that when it acts up, it goes away if I accelerate hard to about 3000 rpm.
The hard starting problem still exists even with the new CPS, would that point more to the accelerator sensor rather than a tranny problem? It still pukes out huge amounts of white smoke while cranking, just like if I was down on the pedal while trying to start.
Last edited by Gander12; 11-01-2008 at 11:25 AM.