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2004 Chevrolet Trailblazer LT 4.2L MIL Lamp on
Posted to GM Driveability on 8/31/2010 7 Replies

I have a 2004 chevy trailblazer with the 4.2L I have tested everything and have come to no conclusions. Customer came in with the complaint of MIL on and loud fan. Pulled codes and came up with a PO526 Fan clutch speed circuit. Put a fan clutch on it(ACdelco) ...

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  Related Documents & Media  2004 Chevrolet Trailblazer LT

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer LT

VIN 1GNDT13S94
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0526Cooling Fan Speed Sensor Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer LT

VIN 1GNDT13S94
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0526Cooling Fan Speed Sensor Circuit Malfunction