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2003 Oldsmobile Bravada Shaking

Tiny
JLCOOPER
  • MEMBER
  • 2003 OLDSMOBILE BRAVADA
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 115,000 MILES
Hello:

We replaced the spark plugs today in our 2003 Oldsmobile Bravada as it has 115,000 miles. Once complete, started the car up and took a brief one mile drive. The Bravada shook so uncontrollably it was hard to drive. The other thing I noticed is when I stepped on the gas, it was like it didn't want to go right away. My husband checked that the spark plugs were properly replaced again, but the Bravada had the same shaking again going down the road. Didn't think replacing worn spark plugs with new would cause such problems. HELP!
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Saturday, June 6th, 2009 AT 9:36 PM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Considering there are no plug wires, you may have abad coil, have seen them go bad on those inline 6's before. Is the check engine light on? If so have the codes read and it will tell us which cylinder is misfiring.
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Sunday, June 7th, 2009 AT 9:00 AM

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