1990 plymouth laser drive vibrate

1990 PLYMOUTH LASER
132,000 MILES • 4 CYL • FWD • AUTOMATIC
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STRIFE_SPK
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  • 1 POST
i have a 1990 plymouth laser it is auto twin cam 16 valve 4 clynder it has small surges when idle in nuetral and when i shifinto drive it runs fine unless im stopped then it vibrates real hard how can i stop this
Jan 5, 2011 at 4:32 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
The idle issue could be from a vacuum leak or a bad idle air control valve (IAC). Check that first. AS far as the vibration, again check for vacuum leaks and if in need, tune the vehicle's engine.
Jan 11, 2011 at 1:20 PM
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