1999 Buick Riviera Q&A

1999 Buick Riviera Question: It starts to chugg or skip when driving at a consistant speed..

The tranny is not slipping if you speed up it goes away?? -
Answer 1
Have it scanned, sounds like misfire! Light on? -
Comment 1
No lights on -
Comment 2
Scanner will show the problem, even without light on. A scanner, not a parts store code reader! -
Answer 2
agree with pushrod or lock up solenoid malfunction -
Comment 1
Could it be the coils?? -
Comment 2
could be any part of the ignition system -
Comment 3
No luck with the buick dealer!? Jus t $$ it seems to only do it in top gear at 35 or 70 time to give up on this one? -