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P0507 Diagnostic Trouble Code Discussion for April 2005

Idle Speed Higher Than Expected

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Trouble Ticket Help Requests for DTC P0507
Help Request Posted
1997 Chevrolet Cavalier 2.2L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G1JC5242V
P0507: Idle Speed High. As soon as engine starts to warm up a little the idle surges up and down.Scanner shows injector pulse turning on and off.You can hear the injectors stop and start again with a stethoscope.Problem only occurs in park or neutral.Idle speed in drive is around 110...
April 05, 2005