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Bucking..highway speeds..I drove it from work one Friday and it was

 
carguy1's Avatar
  • Answered by:carguy1
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Customer Question

My car is bucking like a horse. It seems to go away at highway speeds. I drove it from work one Friday and it was fine. It sat in the garage all weekend. Monday, it started bucking as soon as I started the engine. Once, a put it in Neutral and revved the engine and the bucking went away for about 30 miles. What should I check before bringing it into the dealer? Janet

 

Optional Information:
2000 Saturn SL1 4-cyl, 2.2 L

Already Tried:
new gas. 12/19/07 dealer replaced spark plugs, serpentine belt, replaced thermostat inlet gasket, and inspected everything else (said everything else ok). Oil is changed regularly. Hope you can help. I'm flat broke and can't afford another dealer bill. Janet

Submitted: 1859 days and 20 hours ago.
Category: Car
Value: $9
Status: CLOSED

Accepted Answer

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Expert:  carguy1 replied 1859 days and 19 hours ago.

Hi there!You may need new plug wires.With the car running,try spraying a little water on the plug wires.If they are bad,you should be able to see spark arcing from the wires.Normally this should also cause the check engine light nto come on as well.If the light is on already,Autozone will check it for codes for free.This may tell you which cylinder is misfiring and xausing the problem.Hope this helps!Thanks

Expert TypeAuto Service Technician
Category: Car
Pos. Feedback: 99.1 %
Accepts: 2640
Answered: 3/25/2008

Experience: 25years experience,certified subaru technician,Nissan factory trained

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