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P0507 Diagnostic Trouble Code Discussion for June 2008

Idle Speed Higher Than Expected

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Trouble Ticket Help Requests for DTC P0507
Help Request Posted
1999 Chevrolet Malibu 2.4L MIL Lamp on VIN: 1G1ND52T8X
P0507: Idle Speed High. ... has seen a similar scenario. First of all, this vehicle has no driveability concerns whatsoever. It always runs perfect for the customer and for me. The problem is, her tabs are expired, and every time she goes for an emmission test, the MIL comes on. The ...
June 06, 2008
2002 Kia Optima SE 2.4L Stall, MIL Lamp on, lacks power VIN: KNAGD12682
P0507: Idle Speed Higher Than Expected. the car runs fine at idle, but under load when driving has low power and will not accelerate over 40 MPH without stalling. The computer codes lead us toward the catalytic converter, however a vacuum test to check for exhaust restriction indicates no restrictio...
June 19, 2008