88 Missing still...


SD95turbo

10+ Year Member

Joined
Aug 8, 2011
Messages
15
Points
1,601
Vehicle Year
1988
Transmission
Manual
My 2.9 started missing the other day while I was just driving along. Changed Cap Rotor Plugs and Wires tonight....and still missing. Any ideas?
 
How's the fuel pressure? 1st thing to do would be to check for codes.
 
pop your plug boots and give the porcelain a twist. I had one time i replaced my plugs, and ended up cracking one putting them in.

also, is it a chug at speed?

if so, you may have a lose ground, causing the truck to stall and then catch momentarily. i had that problem.
 

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