I have a 97 grand prix gt with the 3.8l. I replaced the spark plugs and wires, sprays maf cleaner inside the throttle body. My car has always ran a little rough at idle. I dont really notice it, but others do. Next step?
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10-21-2014
I have a 97 grand prix gt with the 3.8l. I replaced the spark plugs and wires, sprays maf cleaner inside the throttle body. My car has always ran a little rough at idle. I dont really notice it, but others do. Next step?
10-22-2014
Did you clean the MAF or just spray the cleaner into the TB? You need to remove the MAF and spray it separately. Other than that I would look for vacuum leaks.
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