2001 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Hesitation
Vehicle came to us with complaint of hesitation/stumble when cold. Overnight or 3 hour-plus sit. No SES lite. Checked codes, did have P1133 and P1153 in memory. Checked MAF sensor (even swapped with new one) and no diff. Throttle body was clean. Fuel pressure ...
Summary posted 4/20/2007
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Vehicle Data2001 Chevrolet Silverado 1500
Trouble Codes
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Message Closed w/Summary
Vehicle Data
2001 Chevrolet Silverado 1500
VIN | 1GCEC19T21 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation |
Occurs | Cold |
Trouble Codes
P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching |