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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Pontiac Technician
Category: Pontiac
Satisfied Customers: 2371
Experience:  GM Grand Master Technician 2007. 14 years experience.
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My 04 Pontiac grand prix gt makes a real loud electric

Customer Question

my 04 Pontiac grand prix gt makes a real loud electric buzzing noise when the engine is running. gets louder when I speed up.
JA: How would you describe the sound? Does it happen more when you're braking? Shifting gears?
Customer: it happens more when I accelerate
JA: What is the model/year of your Pontiac?
Customer: 2004 Pontiac grand prix GT
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: nothing
JA: Anything else you think the mechanic should know?
Customer: The check engine light is on because the spark plug needs replacing and we haven't decided if we are gonna sell it or keep it yet.
Submitted: 3 months ago.
Category: Pontiac
Expert:  Dan replied 3 months ago.

Hello, my name is***** noise seem to be coming through speakers?

Customer: replied 3 months ago.
nope. definitely from the engine
Expert:  Dan replied 3 months ago.

Do you hear the noise at idle?

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