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Sunfire

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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
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
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
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
1998 Pontiac Sunfire 2.2L Replace intake air temp sensor but still get code PO113. What's going on?
Hi There, Generally, this code is related to the sensor itself failing or in many cases failed connections or an internal wiring short, which results in this code being triggered even when the sensor is functioning properly. Since you have...
Question
broken ignition switch after thieves tried to steal my car
You will probably have to replace the ignition switch. And since you can't put the key in the switch, getting it out will be a big deal. Car ignition locks are deliberately made to be hard to remove in order...
Question
had to make a sudden stop and now car makes a clicking sound when step on brakes
Hi there. The clicking sound you hear when braking might be a worn suspension component and not related to the brakes. Sway bar links for example can make clicking sounds when the bushings are worn. If ball joints are worn,...
Question
My secondary air system, a/c refrigerant, erg flow & heated catalyst is not supported through my diagnosis. Have any suggestions?
Engine coolant is not normally added to a vehicle's cooling system as that system is well sealed and uses a recovery tank. The only reason you would have to add coolant is if there is a leak. You should, of...
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...
Question
The coolant hose between the radiator and engine is kinked. I think its either the thermostat or the water pump. Please advise how
You will need to replace the kinked hose to restore flow to the engine. This is the bypass hose so coolant flows through the engine before thermostat opens.
Question
hi, i believe i might have just totaled my car. there was construction work and they directed me straight into a curb and when i s
Hi Gina. If you just had an accident, the first thing you should do is contact your insurance company and file a claim for the accident. They need to officially file this before the vehicle is inspected for damage and...
Question
Had back brakes replaced at Pep Boys. Now there's a squeeking sound coming from the rear. Also when I use my brakes it's not a sm
Hi there. When you hear a squeak shortly after replacing the brakes, it's commonly due to excessive brake dust trapped between the caliper and brake rotor. However, it is also possible that something is stuck or the pads installed are...
Question
Dip stick doesn't register ANY oil though I just made oil/filter change. No obvious leaks above or below. Let run, but same result
Many engines require that the engine be started up to circulate oil through the filter and then let the engine sit for several minutes to an hour before checking. This will allow all the oil to fall back into the...
Question
what is the broken part called
Claimed by Kevin Gainer
Question
My car is not gasing when I hit the gas. I was at a red light and it wouldnt move, it was like it just locked?
Hello, thank you for writing in. There are several sensors related to the fuel system, and having that code would be beneficial for us. However, we can start with an assumption that it may have been the fuel pressure sensor,...
Question
squeal sound from rear passenger wheel when driving bumpy roads
The noise is probably brake or wheel bearing related. If brake related, it might be due to the brake pad wear indicator contacting the rotors. If you desire that this problem be diagnosed by a certified Mechanic, dispatched by YourMechanic...
Question
Hi, I have a 2003 pontiac sunfire that is getting water in my engine. It looks like water is leaking from somewhere between my eng
Engine coolant can leak externally through a hose, radiator, water pump, etc. or internally due to a leaking head gasket and sometimes a leaking intake manifold gasket depending on the engine design. External leaks are typically found by simple pressure...

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