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1999 Chevrolet Tahoe LS 5.7L No Start, MIL Lamp on
Posted to GM Driveability on 7/16/2012 26 Replies

Customer brought in vehicle with check engine light on and said it would not start back up if turned off. It will start up right away if you spray a little B-12 in the throttle body and idle fine until you try and accelerate then it bogs down really bad. Check...

26 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Tahoe LS

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEC13RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
EmissionsOBD-II Compliant
SymptomsNo Start, MIL Lamp On
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0122Throttle Position Sensor Circuit Low Voltage
P1122TP Sensor Signal Higher Than Expected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEC13RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
EmissionsOBD-II Compliant
SymptomsNo Start, MIL Lamp On
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0122Throttle Position Sensor Circuit Low Voltage
P1122TP Sensor Signal Higher Than Expected