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International Automotive Technicians Network
2001 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Hesitation
Posted to GM Driveability on 4/5/2007 8 Replies

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 ...

8 Replies Received (View Replies)

  Related Documents & Media  2001 Chevrolet Silverado 1500

 
Message Closed w/Summary

car Vehicle Data

2001 Chevrolet Silverado 1500

VIN 1GCEC19T21
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation
OccursCold

Trouble Codes

P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
P1153Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching
Message Closed w/Summary

car Vehicle Data

2001 Chevrolet Silverado 1500

VIN 1GCEC19T21
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation
OccursCold

Trouble Codes

P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
P1153Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching