Category Archives: Pontiac

Pontiac car and SUV auto repair questions and answers. Get help from expert mechanics online. Browse our forums, view pictures and new articles.


2001 Pontiac Grand Prix Check Engine Light

I recently replaced my EGR valve because the check engine light code came up on my car, along with that I also had to replace my catalytic convertor, from what the mechanic I went to said, is that the bad EGR valve caused the catalytic converter to clog, I don’t know how true this is because I recently talked to someone that said that a bad…

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2002 Pontiac Grand Prix Transmission Or Catalytic Converter

I have a 2002 Pontiac Grand Prix. Over the last few weeks i have had trouble with the can being jerky while accelerating also i tends to do this more the warmer the car gets ie: runs good in the am but by lunch time it’s acting up. Also i noticed this morning that the trans didn’t seem to be shifting from 3rd to drive…

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2004 Pontiac Sunfire Misfire On Cylinder Four

I have a 2004 Pontiac Sunfire, and its got a Valve 4 misfire. I have changed the spark plugs, plug wires, coil pack and distributor. What else can I do. I think you mean cylinder 4 misfire, but that’s ok. Since you have changed most of the ignition components, I would say the misfire is not ignition related. You could possibly have a bad fuel injector,…

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1997 Pontiac Grand Prix Engine Overheating

Hello first time here, just looking for a little help or a lot, well here is my issues. I purchased a 1998 Pontiac Grand Prix gt 171k. It had a blown headgasket, so did all repairs, valve job, new water pump, ect sensor, t-stat, upper and lower hoses, replaced radiator not new but good. Also all new gaskets. Car fired right up.  Sounded good got to…

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2001 Pontiac Grand Prix Chugs And Hesitates

Hello. I have a 2001 Pontiac Grand Prix. When i press on the gas pedal, the car sort of chugs. I always use good gas. This started happening more when it is raining or very damp outside. Don’t know if that is just coincidence or not. With the problem happening more when it is damp outside tells me you probably are experiencing a misfire condition…

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1997 Pontiac Grand Prix Stalls and Low Coolant Light

1997 Pontiac Grand Prix GTP low coolant light. It has a new fuel pump, fuel filter, ignition module. The car shuts down at speed without warning.  Twice in three days.  The same thing happened both times: The Low Coolant light is always on – this week, when it shut off like it is supposed to,(a minute or so after the car is started)about 6 miles later…

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2002 Pontiac Montana Cuts Off At Higher RPM’s

2002 Pontiac Montana 3.4L OHV had oxygen sensor code but replaced it and cleared. Head gaskets were leaking as well so replaced (milled heads, pressure tested, valve job, replaced 4 bent intake valves), also replaced plugs, wires, coils and ignition module and O2 sensor, cleaned throttle body. Car cuts out at a specific RPM in relation to how warm the engine is, when cold there…

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1997 Pontiac Firebird Battery Dead After a Few Days

1997 Pontiac Firebird. I have a new battery but my car still will not start after it sits for a few days. It has been doing this for a long time that’s why i have the new battery. Didn’t seem to help.I would like to know if there is a draw on the electric system while it sets. Or if something could be drawing the…

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Where Is The Oil Pressure Switch On Pontiac Grand AM

1997 Pontiac Grand Am V6 – where is the oil pressure switch and do we need to drain the oil first to replace it? ProTech: The oil pressure switch is located in the engine block, above and little to the right of the oil filter. Basically right above the starter motor. You do not need to drain the oil to replace it, although you may…

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1996 Pontiac Firebird Engine Code P0151 Oxygen Sensor

The engine light came on in my 1996 Pontiac Firebird with a 3.8 engine. The code is P0151. Is this an oxygen sensor. If so which one and how do I change it? ProTech: Yes that is a code for an oxygen sensor that has low voltage. You probably need to replace it and you’ll be fine. The code is for Bank 2 Sensor 1,…

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1997 Pontiac Grand Am ABS And Check Engine Light

My husband has a 1997 Pontiac Grand Am and the oil, ABS and check engine light came on, there is oil in the car and we just had maintenance work done on it a few months ago, spark plugs, fuel injector, fuel filter changes the whole works. It sounds rough now. what could it be. He put injector fluid in and the ABS and check…

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Can I Replace The Fuel Sender Without Removing The Tank?

How do I replace the Fuel Gauge Sensor in a 2001 Pontiac Grand Prix? ProTech: You have to remove the gas tank and fuel pump assembly to replace the fuel level sensor. I can get to the fuel pump w/out dropping the fuel tank.. Can I do it that way? Do you mean through the access hole in the trunk? Yes. I have read that…

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2000 Pontiac Grand Am Won’t Start After Intake Gaskets Replaced

I have a 2000 Pontiac Grand AM GT 3.4L. I just replaced intake gaskets and lifters soaked lifters in oil for 24 hrs car set for a week with battery unhooked put all back together car wont start do i have to do anything with computer since it set so long why won’t it start? ProTech: Are you sure you got the pushrods put back in…

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1998 Pontiac Bonneville Security Light Flashing

1998 Pontiac Bonneville just started not starting(no starter action) one time and then starting later. My security light flashing for 2-3 seconds and then goes out–so i don’t think it is the cause. ProTech: You probably have an intermittent starter problem. It flashes for 2-4 seconds and then goes out even though it will not turn over. All other lights are on and the BRAKE…

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