
2001 Oldsmobile Alero GL 2.4L Poor Idle Quality
This car came in for a leaking fuel press. regulator. We also noticed that idle was high so customer said to go ahead and fix. Have replaced IAC motor, new motor actually made idle increase even more. Check tps with scope, normal. Checked for vaccume leak, non...
Summary posted 11/18/2009
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VIN | 1G3NL52T31 |
Engine | 2.4 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Always |
Trouble Codes
P0122 | Throttle Position Sensor Circuit Low Voltage |
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P0440 | EVAP System Leak Detected |
P0530 | Air Conditioning Pressure Sensor Plausibility |
Message Closed w/Summary
Vehicle Data
2001 Oldsmobile Alero GL
VIN | 1G3NL52T31 |
Engine | 2.4 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Always |
Trouble Codes
P0122 | Throttle Position Sensor Circuit Low Voltage |
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P0440 | EVAP System Leak Detected |
P0530 | Air Conditioning Pressure Sensor Plausibility |