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Old 11-05-2004, 07:59 PM   #1
Rosco
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Default Sputtering/Surging

I was wondering what I can check to solve this problem? The car will sputter, or surge when at a constant rpm, under 2500k rpms, which includes idle. It is actually kind of random when it does it. I can't tell under any other conditions that the car will surge like this. It hasn't done this until the temps up here started to dip into the 40's and 50's. I am not really sure what to look at to determine what is causing this? I do get a check engine light sometimes, on and off, which Im pretty sure is due to one of my o2's. The car also surges if there is no check engine light on....
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Old 11-06-2004, 07:48 AM   #2
PKRWUD
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Default Re: Sputtering/Surging

What are the codes?
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Old 11-08-2004, 11:25 AM   #3
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Talking Re: Sputtering/Surging

TPS (Was my problem- only 20 bucks), air bypass, loose or corroded wire (check the main wire to the firewall), corroded intake/TB...

I am a huge believer in checking or changing sensors... try the TPS first since it's the least expensive! Also I've had a wire trying to come loose causing surge.

Oh yeah... I just read that the "check engine" light blinks on and off... the only thing that will cause that is emissions, like u said an o2 sensor, egr (surging?), gas cap, maf sensor, etc... it really should say check emissions, but i'm no engineer.
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Old 11-08-2004, 12:32 PM   #4
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Default Re: Sputtering/Surging

latemodel resto sells aftermarket TPS for $40-$50, where did you pick it up for $20?
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