rough idle

Asked by Sep 26, 2012 at 09:53 PM about the 1998 Pontiac Grand Am 4 Dr SE Sedan

Question type: Maintenance & Repair

i have a 2.4l twin cam. it runs rough and "coughs" thru the air filter housing. the last time it did this it acted like it ran out of gas and coughed. i now have a white powder substance on most of the engine. it restarted an now it will not go over 45mph. would some one please tell me what could be wrong with it. i dont know what to look at.

2 Answers

Too much coke!

810

check the timing belt

Your Answer

Add photo

Related Questions

  • rough idle 6 answers

    I have had this car since 2007, and got it for a steal for only $800.00 with 80,000 miles on it. But, since I've had it, because the previous owner let it sit up for a few years without being started...

    1989 Pontiac Grand Am

    -

    Maintenance & Repair

  • Rough idle intermittently 7 answers

    I have a 1998 grand am that will suddenly start idling rough now and then , if I can gun it in neutral it jumps to 4000 rpm then slowly goes back to normal , no check engine light

    1998 Pontiac Grand Am 4 Dr SE Sedan

    -

    Maintenance & Repair

  • 98 2.4l idles rough, wont stay runnig when put in gear? 2 answers

    At idle car runs rough, given a little gas not rough. Go to put it in gear wont stay running.

    1998 Pontiac Grand Am 4 Dr SE Sedan

    -

    Maintenance & Repair

  • Rough Idle/Shaking 11 answers

    I have a 1989 Pontiac Grand AM LE 2.5ltr. and It has been a process bringing this car back to drivability since I've purchased it back in 2007 for a mere $800.00. Currently, the car is shaking at the ...

    1989 Pontiac Grand Am

    -

    Maintenance & Repair

  • Rough idle 6 answers

    I have a 1984 pontiac fiero and it idles quite rough and a mechanic said it may be a leak in the oil pan. I'm not sure what to do.

    1984 Pontiac Fiero

    -

    Maintenance & Repair

Search Pontiac Grand Am Questions

Pontiac Grand Am Experts

#1 tenspeed
tenspeed
Reputation 7,560
#2 John Saffrahn
John Saffrahn
Reputation 1,590
#3 Tom Demyan
Tom Demyan
Reputation 1,410
View All

Related Models For Sale

Used Pontiac Grand Prix
20 Great Deals out of 2,852 listings starting at $1,995
Used Pontiac Firebird
5 Great Deals out of 719 listings starting at $2,500
Used Ford Mustang
378 Great Deals out of 46,805 listings starting at $1,500
Used Honda Accord
709 Great Deals out of 86,724 listings starting at $699
Used Nissan Altima
854 Great Deals out of 78,303 listings starting at $1,677
Used Chevrolet Camaro
161 Great Deals out of 32,678 listings starting at $1,995
Used Chevrolet Malibu
797 Great Deals out of 80,688 listings starting at $1,500
Used Toyota Camry
797 Great Deals out of 89,198 listings starting at $950
Used Honda Civic
485 Great Deals out of 87,487 listings starting at $1,499
Used Pontiac Bonneville
540 listings starting at $3,699

Used Cars For Sale

2004 Pontiac Grand Am For Sale
327 listings starting at $1,995
2002 Pontiac Grand Am For Sale
144 listings starting at $950