BIGTIME MISS-FIRING!! PLEASE HELP!! - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-15-2004, 05:50 PM   #11
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The oil fouled plug is bad. Sounds like you have a broken ring land or something similar.
I don't think its the miles on the car. Not much in a cylinder deals with oil .... exept the oil ring. Sorry dude. I'm not trying to be the bringer of bad news but it doesn't sound good.
A compression test may or may not help. I have saw stuck ol rings before but that was after many years of sitting.

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Old 10-15-2004, 07:35 PM   #12
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Run some seafoam motor cleaning stuff in the oil.. use twice the recommended dosage.. and flush the oil after 100 miles of driving or so. I don't think the piston oil ring is susceptable to breakage.. it might be the actual cylinder ring.

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