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Old 02-06-2012, 03:17 PM   #1
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Join Date: Jan 2012
Location: Windy City
Posts: 38

1998 SW2
Default How Urgent is TPS replacement?

I've had my '98 SW2 for about 2 months and it seems that the TPS is failing, from what I've read here in the forums. A couple times the idle stayed high, ~1500 rpm, after driving ~45 minutes. The first time I tapped the accelerator and it went back to normal which was ~850rpm. I cleaned the TB (in place) and after that it has been idling at 800. about 6 weeks later, I had another episode of high idle, which did not go away with tapping the accelerator, but went away after turning the car off and restarting. Does this sound like a failing TPS? Can the TPS failure cause the car to be undrivable?

1998 SW2 5spd 66k mi
1999 C5 hardtop
2007 Magnum SRT8


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