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Sunfire

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Question
My water pump is bad.
There are 2 different 2.2L engines available for this vehicle and one of the requires a special tool to remove the timing chain driven water pump. The moisture with the green tint is likely to be engine coolant. Consider hiring...
Question
My car revs uo and down when below when below 2000 rpm above that it works fine
Hi there. As you already know, replacing components without diagnoses can be expensive and time consuming without resolution. Performing a fuel pressure test may identify whether the fuel pressure regulator is causing the surging rpm (revolutions per minute) below 2,000rpm....
Question
How do I fix the issues related to code P0445 (Failed Emissions Test)?
Diagnostic Trouble Code P0455 has causes in addition to a faulty or loose gas cap. In your circumstance, the first thing you should do is reset the Check Engine Light which will erase the existing codes. Then see if the...
Question
Missing spring in a bleeder valve hydraulic clutch
Hello. You might check with a local auto parts store to see if the spring is included in a slave cylinder rebuild kit. That kit will have a new slave cylinder seal, boot, and often the return spring. You...
Question
Windshield wiper assembly question.
Hi there: If you got the replacement parts from an auto parts store, you might want to verify that the replacement parts were for the right model and year of Pontiac Sunfire (as this is a common problem with auto...
Question
Why doesn't my defroster work in my 2003 Pontiac Sunfire
Hello. If the rear defroster is working like you explain then it sounds like the rear window needs to be replaced. As the element in the window begins to short out internally various parts of it will stop working until...
Question
Trunk won't close
Hi there. Usually when a trunk won't close, it's due to the trunk lock latch being damaged. This is something that can be replaced by a professional mechanic. However, before you decide to replace the trunk latch, you might want...
Question
My headlights, both high & low beam, are out - 2002 Pontiac Sunfire
Hi there. It seems that the high and low beam switch has a broken contact in it. It would be best to remove the switch and replace it with a new one. If, for some reason, the switch does not...
Question
car only runs for a second or two when i try to start it...
A faulty ignition switch can cause the vehicle to stall. The 1998 Sunfire was the subject of an ignition switch recall, announced in 2004, but not having your specific vehicle identification number (VIN) it's hard to say whether your specific...
Question
I am looking to see what it making my check engine light go on. I need to verify that it is only the oxygen sensor and replace it.
Hi there: The best way to determine which O2 sensor is faulty is to have a professional mechanic complete a check engine light inspection. This will allow them to pull all error codes and pinpoint which sensor (or both in...
Question
The turn signals turn on instead of the low beams
Hello, thank you for writing in. Turn signal and low bean circuits both route through the dashboard and possibly the steering column. There are several components and areas in which these two circuits could come in contact with each other....
Question
in the base or value trim level, is onstar wired into the stereo?
Hello. If your vehicle is indeed equipped with OnStar then it is likely that it is wired directly into the stock radio unit, as that is how most OnStar systems are installed. It appears that replacing the original radio with...
Question
My car is making a weird high-pitched whirring sound - 2000 Pontiac Sunfire
Hi there. In most cases when you hear a screaming or squealing noise under the hood, it's related to a belt that is loose or is beginning to show signs of wear. Since you're having AC issues, the problem could...
Question
Heat and air issue
Hi there: Honestly there are multiple electrical components that operate your heater and AC system; ranging from relays to fuses and solenoids. Before you purchase any parts or begin to guess as to what might be wrong, you might want...
Question
Driving, then engine/oil light turns on, steering locks up, car dies; but just fine after turning off than on.
Any time loss of steering, or power assist to the steering is lost, it can be a safety issue and should be looked into as soon as possible. If the oil light and/or check engine light are flashing before it...
Question
Experiencing a knocking noise while I'm decreasing speed on the highway. I have examined the up&lower ball joints, tire rods, axle
Hello, thank you for writing in. Inspecting the suspension and steering components was a great idea. Did you perform a visual inspection, or did you actually raise the vehicle and maneuver the parts to check for excess play? However the...
Question
Car started and then died
This may be related to many different possibilities, some of which may be fuel delivery problems such as low fuel pressure, faulty or dirty fuel injectors, a faulty or dirty idle air control valve (this relays information about air intake...
Question
Overheating issue and coolant draining after replacing head gasket
Hello. Was there any issue with the coolant before this point? If so, the blown head gasket may be a result of the engine overheating due to lack of coolant. You should start by pressure testing the cooling system. Make...
Question
Burining Oil Smell, Car has Oil leak
Hello, It sounds like your oil leak may be causing the oil to be burned on the hot engine which is likely producing the burning oil smell you describe. This is generally not something too critical to worry about if...
Question
Water pump gasket leaking
Removing the water pump on your vehicle is a 6 hour job and consequently involves pages of procedures, torque specifications, and a lot of detail. Due to the amount of time involved, it is not worth it re-installing the old...

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