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P0507 Diagnostic Trouble Code Discussion for March 2007

Idle Speed Higher Than Expected

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Trouble Ticket Help Requests for DTC P0507
Help Request Posted
2001 Chevrolet Express 3500 5.7L Poor Idle Quality VIN: 1GCHG39R11
P0507: Idle Speed Too High. this poblem is very intermittent. doesnt matter if van is cold or warm.when started may idle at base idle or may idle at 1800 rpms.with scanner plugged in on function test for iac. iac does not move to commands. cycle key with 10 to 20 second intervals will st...
March 01, 2007
2006 Jeep Grand Cherokee Laredo 3.7L idles high and rich VIN: 1J4GR48K06
P0507: Idle Speed Higher Than Expected. scanned codes po-507 system idles too high fuel trims show a rich run, if ran for 5 minutes exaust manifolds glow red hot--car is from body shop and was hit on right side front fender where computer mounts. fuel pessure is at 60psi, should be 58 psi + or - 2 p...
March 16, 2007
1998 Buick LeSabre Custom 3.8L Poor Idle Quality, MIL Lamp on VIN: 1G4HP52K7W
P0507: Idle Speed High. This car is always idle high about 1200 rpm in park and 875rpm in gear. Coolent temp and tps ranges are operating normal. It has code po507B. It also pass the smoke machine leak test when testing through the brake booster line. When removing the IAC valve, the...
March 23, 2007
2003 Nissan Altima 2.5L MIL Lamp on VIN: 1N4AL11DX3
P0507: Idle Speed Control System RPM Higher Than Expected. ... with a mil lamp on and p0507. There are no symptoms at present and freeze frame data is rather limited. There is a tsb about idle air volume relearn and a possible reflash, but at 90k mile a reflash doesn't seem like it would suddenly rear its head. I was ...
March 27, 2007