Even more Idle problems
#1
Even more Idle problems
Recently I posted saying my idle was messed up, and that I got it fixed. Well, the day after I got it fixed, I went to start the car (cold), and it shot to 3,000, like it should for the quick-warm up, then dropped to 1,500, then instead of dropping to idle (800-ish), it dropped to 1,000 and surged up to 1,300. It did this constantly at idle until it was warm (took it to get some lunch). When I came home, I left it running in the driveway and it was back at 800 rpm. When I open the hood, I hear a hissing from behind the engine, right in the middle. Do I have a tps problem, a vacuum leak, what? How do I check/adjust the tps? I can't find the how-to anywhere. Also, what vacuum lines commonly have issues back there, if any? Someone please help, I'm almost out of ideas! Thanks, guys.
#2
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Recently I posted saying my idle was messed up, and that I got it fixed. Well, the day after I got it fixed, I went to start the car (cold), and it shot to 3,000, like it should for the quick-warm up, then dropped to 1,500, then instead of dropping to idle (800-ish), it dropped to 1,000 and surged up to 1,300. It did this constantly at idle until it was warm (took it to get some lunch). When I came home, I left it running in the driveway and it was back at 800 rpm. When I open the hood, I hear a hissing from behind the engine, right in the middle. Do I have a tps problem, a vacuum leak, what? How do I check/adjust the tps? I can't find the how-to anywhere. Also, what vacuum lines commonly have issues back there, if any? Someone please help, I'm almost out of ideas! Thanks, guys.
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Jeff20B
1st Generation Specific (1979-1985)
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09-16-18 07:16 PM