Category Archives: Pontiac

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1996 Pontiac Grand Am Code P0171 and EGR

HI,I have a 1996 Pontiac Grand am that has two codes P0401 and P0171 can the two be relayed I know one is EGR flow insufficient and the other is fuel system lean. do you think the EGR Valve is staying open causing the lean. ProTech: They can be related yes. The p0171 is a lean code, and the p0401 is an EGR code. If the EGR valve…

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My 1999 Pontiac Grand Am Won’t Start

I’m having a problem with the charging system on my 1999 Pontiac Grand Am. New alternator. Fuses good fusible link good just won’t charge. ProTech: Have you done a charging system test? Yes did a load test on the battery that’s good alternator tested good off the car while car is running only at about 12 volts and eventually drops until car dies. Since the battery…

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2002 Pontiac Grand Am Temp Sensor and Hard Starting

Trouble code says IAT sensor on 2002 Pontiac Grand Am GT 3.4L. Have replaced it twice with two brand new ones from different stores. Still showing problem code. Has problems with no start or hard start after sitting for a few hours. Runs fine when engine is warm. Could it be a broken or shorted wire in the IAT sensor circuit that just isn’t visible…

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1994 Pontiac Transport Van Starts Then Stalls

I have a 1994 Pontiac Transport van it cranks up then dies right away there is a little light that comes on when it dies bottom right corner of the dash it is round with an arrow pointing down what is that symbol mean and could this be my problem please help. ProTech: That could be the low coolant light, and probably not the cause…

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1996 Pontiac Grand Am Gauges Problem

I have a 1996 Pontiac Grand Am, the car starts then dies. There is no power to the gauge cluster and the radio wont come on. I replaced ignition switch but did not help. Battery is fully charged. Lights and turn signals work. Help please. ProTech: Just to be clear, did you replace the ignition switch (electrical part) or the ignition cylinder? Electrical. Have you…

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1995 Pontiac Bonneville Won’t Idle

I have a 1995 Pontiac Bonneville that has a 3.8L (3800)v6 engine, It starts rough and wont idle it also wont accelerate or climb hills. I have changed all 3 ignition coils and cleaned the fuel injectors what should I do next I really need this car to work. Ok, is the check engine light on or anything like that? Yes the check engine light…

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2001 Pontiac Grand Prix Service Engine Light P1404

The service engine soon light came on and when the diagnostic code registered a P1404 number. What is that? I had the converter changed several months ago because it was plugged. ProTech: What year and model vehicle do you have? 2001 Pontiac Gran Prix GT with 3.8L V-6. The EGR valve? Ok, that code is for the EGR valve, which directs exhaust gases back into…

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Pontiac Grand Prix Knocking Noise- Will Not Crank Over

Yes, I have a 2005 Grand Prix and every time it shifts it makes a slight knocking noise. Shifts sorry. That’s OK, something like that could be a bad motor or transmission mount. Or, possibly something inside the transmission. Does it do it every up-shift in every gear? No just once OK, so is it like right from a stop when it does it? Yeah…

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1997 Pontiac Sunfire Ignition Switch Recall

The wire running from positive post of battery to solenoid burned up tonight causing lights, engine, etc to just shut down while I was driving leaving a hot electrical smell on my 1997 PONTIAC SUNFIRE CONV. What happened? ProTech: There is a recall from General Motors for that exact problem. Do you know if it has been done to the car yet? I have no…

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1999 Pontiac Montana Check Engine Light Blinking

I have a 1999 Pontiac Montana code p0306 misfire detected. Check engine light blinking. Changed spark plugs, wires, ignition coil and put in new fuel filter.  We checked compression and it’s good but still the same. What else can I do to fix the problems that all happened when i fixed a gas leak. Mechanic JK What kind of gas leak did you have? Just past the fuel filter…

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2002 Pontiac Grand Am Hard Starting When Hot

I have a 2002 Pontiac Grand Am with a 3.4 liter v6. When the car is cold it will start fairly quickly but when it reaches operating temp or sits in warm sun or high ambient temps it will turn over like mad but will not start. Protech : A check of the fuel pressure when hot would be a good thing to look at…

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2006 Pontiac Grand Prix Seconday Air Injection Code

My 2006 Pontiac Grand Prix’s check engine light came on and the mechanic replaced the air pump. The light came back on and now they are replacing a secondary valve tomorrow and they can’t guarantee that’s the problem. I’m already at $600 worth of repairs and it probably won’t take care of it. I have researched this on the Internet and it seems there is…

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How To Reset Pontiac Grand Am Security Light

I have a 2004 Pontiac grand am and my security light stays on how can i turn it off it does not have a reset button. ProTech: You cannot just turn it off unless the problem is fixed. The security light is on because you have a problem with your Passlock theft system. There are temporary fixes, like doing a re-learn of the theft deterrent,…

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2007 Grand Prix Headlights Keep Going Out

I have a 2007 Pontiac Grand Prix and my headlights keep going out. Mechanic JK Both sides at the same time? Do you mean the bulbs are burning out, or just they go off. Both sides at the same time one day they went out for two days and came back on. OK. Give me a moment to look at a few things… Do you…

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