1988 7MGE Misfire - Stumped!

excaliburdj · 04-15-2008, 03:54 AM

When I re-checked the plugs and wires I checked for fluids in the galleys. Cyl 2 had some, but I think it was from pulling the coolant hose off the intake and not having the rag in the right place to catch it all.

I even went so far as to switch the spark plugs that were in 3 and 5 to 1 and 2 to make sure it wasn't the plugs.

Nope...no change. Still 3 and 5 misfiring (or NOT firing, more accurately.)

The distributor cap is new. Just replaced it on Saturday to make sure that wasn't a problem.

Maybe I'll see if I can post a Youtube video of the engine idling or something. It's weird, because about 1/4 of the time it runs just fine, but I can't seem to tell what makes it kick in and out of that. It's not when it's warm, because sometimes it'll run fine from a cold start, and then kick in later with the misfiring.

I've been reading all day trying to figure out specifically what could be plugged/clogged/bad that would control the firing of the cylinders as opposed to an engine function like idling, and I'm coming up empty.

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04-15-2008, 03:54 AM	#14
excaliburdj Stock Join Date: Apr 2008 Location: Iowa Posts: 11	When I re-checked the plugs and wires I checked for fluids in the galleys. Cyl 2 had some, but I think it was from pulling the coolant hose off the intake and not having the rag in the right place to catch it all. I even went so far as to switch the spark plugs that were in 3 and 5 to 1 and 2 to make sure it wasn't the plugs. Nope...no change. Still 3 and 5 misfiring (or NOT firing, more accurately.) The distributor cap is new. Just replaced it on Saturday to make sure that wasn't a problem. Maybe I'll see if I can post a Youtube video of the engine idling or something. It's weird, because about 1/4 of the time it runs just fine, but I can't seem to tell what makes it kick in and out of that. It's not when it's warm, because sometimes it'll run fine from a cold start, and then kick in later with the misfiring. I've been reading all day trying to figure out specifically what could be plugged/clogged/bad that would control the firing of the cylinders as opposed to an engine function like idling, and I'm coming up empty.