Odd spark plug colour
Phil Payne
quattro at isham-research.com
Tue Jan 27 10:17:42 EST 2004
> Pulled the plugs on the 90 20v today (7a eng code) just to have a look at the condition been
in now for 20k miles. The colour was an orange colour almost like rust, never seen this before
just wondered if anyone out there has any kind of explanation. I do use an ocatane booster in
the fuel but can't believe it's that. Car runs fine.
There's a handy colour chart in the back of most Haynes' manuals.
--
Phil Payne
http://www.isham-research.com
+44 7785 302 803
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