1990 Saab 900 Hatchback "causes black soot spark plugs" Questions

...black soot on the creamic of each plug. The components of the ignition system are all in good shape. What are the possible causes of this condition? Thank you, Art Beierle [email protected] could be ...

...inspection black soot inside tailpipe The black soot is carbon from the gas usually caused by too much fuel being burnt. Incorrect fuel to air ratio. Take vehicle to service center and have

...soot black and there's a check engine msg after oil spilled on the engine when i forgot to cover cyclinder head oil cover the black soot may be old plug wires that should be replaced chances are the ...

...black soot on spark plugs My car starting misfiring under acceleration, and on cold mornings, with OBD code P301 (misfiring cylinder 1). I took the plug out to inspect and found black soot. I swapped ...

...Mazda primacy plugs burning black http://www.apriliaforum.com/forums/showthread.php?201011-What-causes-a-black-Spark-Plug goto this forum might help you out combustion is burning rich causing

TT500 black soot on spark plug Here's a look at spark plugs and the causes.

...black soot on ignition coil My car almost stalled at a light and then the check engine light started blinking. Seems to be a misfire from the sound of the exhaust. The spark plugs were white and one ...

...causes the RPM to rev more than 1100rpm. Thanks Could your throttle position sensor, or Idle Control Valve be sticking? see if the spark plugs are black... When the cats clogg up They foul the spark ...

...black soot etc is a chance its over ritch. water getting in to the spark plug or a damaged rubber seal on the plug connector can also cause this problem so would check for this to. would say its the ...

...black and shorting out and unable to spark properly but at that moment the plugs would still be quite dry. Persisting after this will of course cause wet plugs if the engine is still relatively cool ...