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

The tranny is not slipping if you speed up it goes away??

by in Hammond, WI on August 06, 2013
2 answers 5 comments
ANSWER by on August 07, 2013
Have it scanned, sounds like misfire! Light on?
COMMENT by on August 07, 2013
No lights on
COMMENT by on August 07, 2013
Scanner will show the problem, even without light on. A scanner, not a parts store code reader!
ANSWER by on August 07, 2013
agree with pushrod or lock up solenoid malfunction
COMMENT by on August 07, 2013
Could it be the coils??
COMMENT by on August 07, 2013
could be any part of the ignition system
COMMENT by on August 07, 2013
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?