1998 GMC Sierra "bad spark plug 1995" Questions

...vacuum leak will act like a fouled spark plug, or even bad gas... but your sensors will do the same thing.but i would start by looking for a vacuum leak it would be the least expensive starting

...bad but it seem to get worse after seafoam Pickup coil may be going. Some are difficult to change, however, they are cheap. Also, if after replacing you still have a problem, suspect the computer. If ...

...spark plug wires, the distributor cap, and the rotor button. I disconnected the electronic advance (tan with black stripe) and set the timing at 0 degrees. I took the truck out after doing all that ...

...spark plugs, I also checked for air leaks around the throttle body and intake manifold and checked all vacuum lines, all fine, I do have a DT Code for the 02 sensor showing a lean exhaust but I dont ...

...cylinder not firing 1995 slt dodge dakota 3.9L, one cylinder not firing. how many miles, several causes, fouled spark plug, damaged spark plug wire, bad fuel injector, i would check plug and wire ...

...bad-Check for spark by pulling a plug wire out of the coil pack-(with the engine off). when the engine is cranked spark should jump right from the coil tower to the plug wire- if you don't have a ...

...bad spark wire, or you using a bad test spark plug, never do that, use a fresh test spark plug and keep it in the tool box. (life time ) 2a: dead one , the integrated, spark assy. is bad. 7/8 wire ...

...1995 model, my problem is ; 1. Can't run the car because no spark produce; 2. I all ready change the spark plug, cable plug and ignition coil but still can't run. Crank sensor or cam sensor is ...

bad spark plugs you might have a couple bad spark plug wires try that though and if there is no spark then ist best to just get new spark plugs and new spark plug wires My Acura does that, the problem

...bad ignition wire or the spark plugs. Remove the spark plugs and look carefully on the white insulator for black/brown streaks down the side. If there are traces, replace the spark plugs and the ...