Re: F20 runs rough when warm

Posted by Lee on May 14, 2003 at 21:08:58 from (65.73.80.175):

In Reply to: F20 runs rough when warm posted by Mark on May 14, 2003 at 14:06:22:

When you check the oil, is it gassy? Does the oil level seem
to be increasing? How about the plugs? Are they getting
fouled after it warms up? Both would indicate that the valve
clearances are not adjusted properly. If it runs good cold, I
wouldn't think it was a fuel problem, but I could be wrong.
The timing could be off, but I really would check the valves
first. I've had this happen before, and that is what it was.
Unfortunately for me, I did EVERYTHING else before
checking the valve clearances. You should check the
clearance when it is warm, but you can get it close enough
to run OK by adjusting them cold, and then re-checking
them after it warms up.

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