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2012 Chevrolet Silverado 1500 LT 5.3L Poor Idle Quality, Surge, MIL Lamp on
Posted to GM Driveability on 12/17/2018 10 Replies

Scan and got above codes. p0101, p0106, p0068, Inspected wireing at TBI assy and looks ok. Cleaned the dirty TBI and relearned idle, took for a test drive. Noticed a "sluggish response" just off idle- very noticeable. runs fine with a 4% throttle body idle...

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  Related Documents & Media  2012 Chevrolet Silverado 1500 LT

 
Message Closed w/FIX

car Vehicle Data

2012 Chevrolet Silverado 1500 LT

VIN 1GCPKSE7XC
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursIntermittently

Trouble Codes

P0068MAP/TP Sensor Correlation - Vacuum Leak Detected
P0101Mass Airflow Sensor Range/Performance
P0106Manifold Air Pressure Sensor Range/Performance
Message Closed w/FIX

car Vehicle Data

2012 Chevrolet Silverado 1500 LT

VIN 1GCPKSE7XC
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursIntermittently

Trouble Codes

P0068MAP/TP Sensor Correlation - Vacuum Leak Detected
P0101Mass Airflow Sensor Range/Performance
P0106Manifold Air Pressure Sensor Range/Performance