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P0507 Diagnostic Trouble Code Discussion for November 2012

Idle Speed Higher Than Expected

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Trouble Ticket Help Requests for DTC P0507
Help Request Posted
2002 Pontiac Sunfire SE 2.2L engine lopes VIN: 1G2JB52F12
P0507: Idle Speed High. I am having trouble pinning this one down. The car came in with what the customer described as an intermintent surge @ idle. After some time with the car I have realized that the problem ONLY happens with the car at normal operating temperature, that is 195 de...
November 02, 2012
2007 Chevrolet Avalanche LTZ 5.3L Poor Idle Quality VIN: 3GNEC12087
P0507: Idle Speed High. After active valve lifter replacement(battery disconnected), high idle speed in p/n. If placed in gear idle speed will slowly drop to normal. If placed in p/n idle will remain normal until throttle is depressed. It will then go to 2000 rpm. When this occurrs, ...
November 08, 2012