92 SC400 at Idle in park rpms 1500 to 2200

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03-30-11, 02:23 PM

vham62

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92 SC400 at Idle in park rpms 1500 to 2200

92 SC400 at Idle in park rpm jumps from 1500 to 2200 continuously. When in Drive smothes out but will not go below 1200 rpm. HELP ANY IDEAS??

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03-30-11, 05:44 PM

good2go

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Assuming nobody has messed with your idle adjustment...
Have you done your TPS adjustments and/or tried cleaning your throttle body and IACV?

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