
2002 GMC Sonoma SL 2.2L Poor Idle Quality, Surge, MIL Lamp on
We replaced the head gasket recently. After firing it up it ran fine for 2 days and then started missing. Found an injector harness plug not fully seated. Good to go. Came back 1 week later with P0171- system too lean bank 1 code set and idle so high that owne...
FIX posted 11/5/2007
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Message Closed w/FIX
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VIN | 1GTCS14582 |
Engine | 2.2 L / 4 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
Occurs | Idle, Intermittant |
Misc. | Flex Fuel/Fed/Ca 2.2L |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0507 | Idle Speed Control System Higher Than Expected |
Message Closed w/FIX
Vehicle Data
2002 GMC Sonoma SL
VIN | 1GTCS14582 |
Engine | 2.2 L / 4 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
Occurs | Idle, Intermittant |
Misc. | Flex Fuel/Fed/Ca 2.2L |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0507 | Idle Speed Control System Higher Than Expected |