
2001 Cadillac Seville STS 4.6L Poor Idle Quality
I have a 2001 Seville that very intermittantly will not idle (starts and stalls) or will idle high for a while. Checked IAC circuit with a noid light tool and I get alternatly flashing red to green lights and then settles to just green and red. Cleaned IAC and...
FIX posted 3/13/2012
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Message Closed w/FIX
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VIN | 1G6KY54971 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Intermittently |
Misc. | New Plenum Boot, No Vacuum Leaks |
Trouble Codes
P0507 | Idle Speed Control System Higher Than Expected |
Message Closed w/FIX
Vehicle Data
2001 Cadillac Seville STS
VIN | 1G6KY54971 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Intermittently |
Misc. | New Plenum Boot, No Vacuum Leaks |
Trouble Codes
P0507 | Idle Speed Control System Higher Than Expected |