Questions & Answers for: yellow spark

...next day... Check for moisture in the distibutor cap and dry it out. Also check for a spark at the sparkplugs when you get it running. The spark must be blue, not yellow. Replace coil if it's

yellow spark, I am thinking the spark is weak, the timing belt is fine and lined up, what could cause this? A yellow spark is usually a sign of a weak coil, change that, it should cure the problem, if

...spark plug are yellowish instead of bright blue on 1988 corolla fx 4ca engine. might be a bad coil, are all the sparks yellow or just one. all yellow check the coil, one yellow check the wire and ...

...smook Probably engine is misfiring. Check spark plugs and wires. Check distributor cap and rotor. Check spark at plugs. Should be a blue spark and not yellow. A yellow spark is weak ignition

spark it was yellow. What does that mean? My 1994 Jeep grand cherokee won't start. It tries to start but doesn't. Tried replacing cap and rotor and still will not start. When I checked

...one yellow and one yellow with different color engine died reconnected wires no spark took coil off tried it on different sled it has spark. What did I fry CDI or stator how do I check THX CDI ...

what is a fat spark More blue than yellow .the closer coil to the flywheel the less the spark has to travel closer makes blue ,far away yellow

...by bad or worn piston rings, or valves not sealing properly. When you check spark to #1 it should be a nice blue color not yellow, yellow is a weak spark and doesn't fire properly under ...

Chevy cavalier fiering yellow If you mean the spark is yellow instead of blue, that means the coil no longer produces the hi voltage necessary for a blue spark. Replace the coil pack for that cylinder

...yellow spark is insufficient power from the coil could be a failing ignition module , bad coil or bad ground connection for the battery if you are using the starter at the same time if testing rga ...