Mechanics

DRIVE VIBRATE

1990 Plymouth Laser • 4 cylinder FWD Automatic • 132,000 miles

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
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Strife_spk
January 5, 2011.



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.