Quote:
Originally Posted by shogunther
I am having a spark problem with my car. It has intermittent spark. I took off the cap and the terminals are black(looks like carbon or burned). Can this be causing the intermittent spark? Can I just sand off the carbon and reinstall the cap? What causes this discoloration? Thanks for looking!
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Do not sand the terminals inside the cap. The gap is critical. I use a Dremmel with a soft wire brush to clean the terminals. Wipe the cap to remove carbon archs inside
It is a Bosch cap, right?
Causes.
What type of plugs are you using? I suggest only the cheapest single tip copper plug that Porsche used for your 1985.5 944.
Wires--how old are the wires?
Rotor-did you change it when you changed the cap. Pelican sells an aftermarket I use for about $7.50.
GL
John_AZ