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09-09-2012
I tested the voltage at the TPS with throttle full open and got 4.1V whereas I read somewhere it should go up to 4.8V. I also read one guy replaced his TPS 3 times before finding out it was a vacuum leak. How do you determine a vacuum leak and can fix it myself?
Meegwetch!!!
09-09-2012
Are you getting a code?
09-09-2012
And what kind of car do you have?
09-09-2012
i havent taken it for a code check but from all the dsecriptions ive seen this seems quite common behaviour for TPS problems. its a 2002 GT, 3.8L.
How could it be a vac leak? in the air system or fuel system?
09-09-2012
Carb cleaner
OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
09-09-2012
Engine Vacuum Leaks read this page it will explain why a vaccuum leak will cause rough idle. I myslef have in the past been very quick to blame the TPS. Till i learned that most times it is a vaccuum leak instead.
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