OK... STOP GUESSING!!!!!!!
jesus christ, don't just guess saying "it's probably this".. that's no way to fix a car.
Start with this. One at a time, pull off the plug wire and ground it to the engine... then run the car see if the shake get worse or stays the same.
HOPEFULLY one will stay the same. That means that's the plug that's misfiring. Once you find that, pull the plugs and run a compression check on all the cyls.. See if the one that stayed the same has any fluxuation in compression.
Also, while the plugs are out, get a flashlight and shine it down the bore to look at the top of pistons.. in the one with the misfire, see if it's SOAKED with gas. Had a Nissan the other day, badmisfire and bad smoke... the misfiring cyl literally had a lake of gas on top of it.
Go do that and tell me the findings. I'll help you diagnose from there.
Also... This engine has a distributor, right?? If so pull off the cap and see if any of the contacts are burned badly on the cap or rotor.
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Last edited by clutch1 : 01-06-2011 at 12:11 AM.
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