Could be a few reasons, and can't be pinpointed without me actually seeing it "in action". But here are the most likely reasons, in order of likleyhood: 1) Spark plug not tightened to proper specs. Fix: tighen plug to proper specs with torque wrench. 2) Spark plug "washer" bad or gone. Fix: Replace washer. 3) Spark plug seals bad. Fix: Replace spark plug. 4) Bad threads in spark plug hole. Fix: Retap, or "Helicoil" it. 5) Crack in head near spark plug hole. Fix: Replace head.
Check spark timing and plug gap. Service the carburettors.
If you have spark at the spark plug, it is probably a bad fuel injector.
Check the Sonoma crank position first. If the sensor is bad then there will be no spark from the coil.
A cylinder misfire could be from a bad spark plug, bad spark plug wire, or a bad coil. It could also be caused by a plugged or faulty fuel injector.
A cylinder misfire can be cause by a bad spark plug or a bad fuel injector. Replace the spark plug to see if the problem is corrected.
really bad spark plugs probably could fix with bj weld
could be a bad spark plug or bad plug wire.
If timing is bad on a 1990 Acura Integra they car will either run incredibly rough out not at all. To fix the timing be sure to correctly align the distributor to the right factory specified degree.
AnswerThe timing is controled by the sensors and the computer, it can't be adjusted.You can if the timing belt is stretched! Replace your timing belt and the hydraulic tensioner and it should repair the bad timing.
Find out why it is only running on 2 cylinders. Can be bad spark plugs, defective coils, bad fuel injectors, defective spark plug wires, etc.
leaking spark plug wires can do it and also a clogged fuel filter. it could have a bad spark plug or a bad spark plug wire a bad coil pack or ecsesive oil leaking past the valve seal and its fouling a plug