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Pontiac Repair/2002 Pontiac Grand-Am GT 6cyl. 3.4 Eng.

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Question
For the past two weeks my 2002 Pontiac Grand-Am GT 6 cylinder 3.4 engine is having a problem. I have almost 131,000 miles on her, but we take good care of her. The car is not starting the first time I turn the key. I wait until I hear the fuel pump kick in and the "dinging" stops ringing and then I turn the key to start her. I usually have to wait 10 seconds and then try it again and she usually will start up on the second try, but it's rough. Then, when I'm at a red light or stopped in traffic the RPM gauge will drop down to almost zero and she'll start shaking like it's going to shut off. I have to put it in park and give her a little gas. We just replaced the regulator, the battery and changed the oil and it's still having problems. I have no "idiot lights" coming up on the dashboard at all giving any indication as to what's going wrong. When you step on the gas to get it up to 50+mph I'm hearing a grinding noise coming from under the hood. My GT always has a "smooth growl" to her engine, but not now. Any ideas as to what this could be? Thanks for your help in advance!!

Answer
Hi susan:

You have a couple of things going on here. sounds like a fule pump is going bad and or a plugged fuel filter whuch will cuase the pump to go bad. It seems like it taking too long for the pump to prime the fuel lines. It couls also caue a stakll condition. it mat be something else but those 2 issues are more then likely related. . . . As for the growling noise it may be a front wheel bearing going bad cruicing doe a straight road at a steady speed just turn the steering wheel slightly to the righat and to the left is the pictuch of the noise changes it's a bad wheel bearing/hub assembly. good luck :-)

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Todd Puccio

Expertise

General auto repair,electrical issues,driveability issues,anti-lock brakes,SIR systems,HVAC,engine performance,Gm specific. I have worked at my current dealership since the 1990 model year anything much older than that I have limited exposure to. I do not have very much transmission experience so those question you may want to ask of another expert. When you send me a question let me know the exact make/model/engine and year for the car or suv you have it makes it easier to answer the questions that way. If your happy with the answer I gave you please feel free to Donate. This is a free service to you and I am not compensated at all by this web site. I have 22 years of experience to share with you and my knowledge wasn't free to me. I had to pay for my education.

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Experience in the area: I have been a technician in GM dealerships for over 22 years and I am a ASE master technician. I work at a Buick and GMC truck store Previously I worked at a Pontiac GMC store for 18 years. I Served a a lead technician when dealership was on a team system. I just recently moved to a Buick,Hummer,Saab Store when my franchise was purchased by this dealership. Organizations: ASE master technician

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ASE

Education/Credentials
Education/Credentials:High school diploma,2 year vocational school degree 2 year college degree. Associates degree in applied sciences (auto technology)Awards and Honors: GMC master technician

Awards and Honors
Master GMC truck technician Master ASE technician in 9 categories

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