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1996 Chevy Truck C 2500 Fuel Pump Circuit Diagnosis

download CIRCUIT DESCRIPTION When the ignition switch is turned ON, the Vehicle Control Module (VCM) turns ON the in-tank fuel pump. The in-tank fuel pump remains ON as long as the engine is cranking...

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1998 GMC C 1500 Throttle Position Sensor Description and Operation

download DESCRIPTION The Throttle Position (TP) sensor is a potentiometer. The TP sensor is connected to the throttle shaft on the throttle body. By monitoring the voltage on the signal line, the VCM...

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1998-1999 Isuzu Hombre Incorrect Fuel Gauge Readings

download The fuel gauge may read empty (E) with approximately 1/3 of a tank of fuel remaining, or the fuel gauge rarely reaches the full (F) mark when the fuel tank is filled. Correction Reprogram the...

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1996 Chevrolet Chevy C Pickup Fuel System Diagnosis (System Check)

download Circuit Description When you turn ON the ignition switch, the Vehicle Control Module (VCM) turns ON the in-tank fuel pump. The pump remains ON as long as the engine is cranking or running and...

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