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2001 Chevrolet Express 3500 8.1L MIL Lamp on
Posted to GM Driveability on 6/9/2015 6 Replies

this is a church bus,that came in for a service engine light on and lost of [...] set 2 codes,p1120 and [...] I have seen this b4,in the past I found the throttle body and the wire harness to be the problem and it would fix the [...] on this one we replaced th...

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  Related Documents & Media  2001 Chevrolet Express 3500

 
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car Vehicle Data

2001 Chevrolet Express 3500

VIN 1GBJG31G51
Engine8.1 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.Lost Power

Trouble Codes

P1120TP Sensor 1 Circuit Malfunction
P1638TCM Internal - CAN 1 RAM Performance
Message Closed

car Vehicle Data

2001 Chevrolet Express 3500

VIN 1GBJG31G51
Engine8.1 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.Lost Power

Trouble Codes

P1120TP Sensor 1 Circuit Malfunction
P1638TCM Internal - CAN 1 RAM Performance