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High idle (2000 rpm) all the time
1999 Saturn SL1

High idle (2000 rpm) all the time

(1999 Saturn SL1)
My Saturn SL1 idles at 2000 rpm. all the time. The SES codes are P0507, P0130, P0134, P0301, P1133. What could I do to fix this? If it is a leak in the intake manifold gasket, how can I be sure? Thanks!
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Popular Answer
on August 09, 2010
My 99 Saturn SL1 had a lot of problems with its idle and no one could tell me what it was. Then the EGR Valve went bad and after replacing that the shop said they had to fix the Transmission Positioning Sensor and that fixed all the idle problems. When it started it would high idle after I drove it for a while and then it turned into a high idle all the time before the EGR Valve went out. Until the EGR went bad I never was able to get the car to give me any SES codes though.
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General Diagnosis
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on August 09, 2010
My 99 Saturn SL1 had a lot of problems with its idle and no one could tell me what it was. Then the EGR Valve went bad and after replacing that the shop said they had to fix the Transmission Positioning Sensor and that fixed all the idle problems. When it started it would high idle after I drove it for a while and then it turned into a high idle all the time before the EGR Valve went out. Until the EGR went bad I never was able to get the car to give me any SES codes though.
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