Why does my car still running rough and vibrating after making the repairs and replacing the parts and even worse when I put it into gear especially reverse.

40

Asked by Feb 19, 2013 at 12:05 AM about the 1999 Toyota Avalon 4 Dr XL Sedan

Question type: Maintenance & Repair

I replace the coil packs spark plugs
and engine strut mount. And the
engine light is still on and still shooting
the same codes. Saying number 1 and
number 2 cylinder is still misfiring.

6 Answers

did they do a comression test? perhaps you should. one and two misfiring? they are on the same coil pack? maybe wires were switched by mistake?

1 of 1 people found this helpful.
40

Well I did the work myself I had to replace 2 coil packs which are on 2 and 4 cylinders and the wires are right and 1 and 2 aren't on the same coil I disconnectedthe battery to reset the computer and took it up to the auto parts store and the same codes are showing with the new coil pack and all new spark plugs Ngk iridium plugs .

1 of 1 people found this helpful.

these things are bitches to work on. never did get around to that compression test?, anyways, if it was running rough prior to your corrective surgery, it could be serious. dry compression test would tell us if this is in fact an electrical goblin-

2 of 2 people found this helpful.
Best Answer
40

Did the compression test on 1&2 cylinders and there is no compression and the number 2 cylinder spark plug had oil on the tip what could be the possible problem please help the other cylinders were fine .

1 of 1 people found this helpful.

dog. wish there was a correct course that wouldn't break the bank....still thinkin'.....

1 of 1 people found this helpful.

http://www.lowmileageparts.com/1999-TOYOTA-AVALON-Engine- P302022.aspx?gclid=CP763bixv7sCFY47Mgodn2IAiA#.UrUE-tJDuqg engine is only 1660 US dollars~ 5 year guarantee~

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