Pontiac Sunfire Car Repair Questions and Answers

Repair questions and answers for the Pontiac Sunfire.


1994 Pontiac Sunbird

Engine Size : 4 cylinder 2.0l
Question: My car is running rough sputtering and then stalling but it sounds like it idles just fine and now my battery has died don't know if its related or 2 different problems please help no money to go to mechanic.

1997 SUNFIRE. Engine Size : 2.2 Ecotec.

Question: I HAVE A 97 SUNFIRE WITH A 2.2 AND ITS ON ITS LAST LEG!!! I ALSO HAVE A 99 CHEVY CAVALIER WITH AN AWESOME 2.2!!! WILL IT BE THE SAME MOTOR ?? CAN I SWAP IT AND WILL IT WORK !!WILL THERE BE VERY MANY CHANGES TO MAKE IT WORK??? JUST A BROKE GUY THAT NEEDS TO KEEP THE COST DOWN AND NOT GET IN OVER MY HEAD!! TY RON.

Rear Brakes problem with my 2000 Pontiac Sunfire 4 cylinder 2.2L.

GM Computer codes = no
Repairs made- rear drums turned all springs replaced new brake shoes on both sides.
Question = im driving down the road hit the brakes and feel thump thump and here click click the more i press harder and the noise becomes louder and more repetitive.

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How Things Work

Car and Truck Fuel System Operation

The fuel tank stores the fuel supply. The electric fuel pump, supplies fuel through an in-line fuel filter to the fuel injection system. The fuel pump provides fuel at a higher rate of flow than is needed by the fuel injection system. The fuel pressure regulator maintains the correct fuel pressure to the fuel injection system. A separate pipe returns unused fuel to the fuel tank.

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Common Engine Codes

Coolant Temperature Sensor Code P0117 Or P0118

The engine coolant temperature (ECT) sensor is a variable resistor, that measures the temperature of the engine coolant. The powertrain control module (PCM) supplies 5 volts to the ECT signal circuit and a ground for the ECT low reference circuit.

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