09-27-2020, 03:24 PM
|
#5
|
Senior Member
Join Date: Jul 2011
Location: Redondo Beach, CA
Posts: 5,817
|
Re: Mystery missfire .
Quote:
Originally Posted by john charlton
Found no. 4 was not firing. Checked the plug it was oily so had not been firing .
|
Is #4 oil fowling? Could be BO oil control ring in #4. Compression test will not show bad oil rings.Try a hotter plug in #4.
Also check distributor body for 'carbon tracking' around #4 pin, inside and out. Any carbon tracking is a direct path to ground, causing it to miss.
Last edited by Y-Blockhead; 09-27-2020 at 03:55 PM.
|
|
|