i do not think the cap and rotor is your problem,neither are the spark plug wires.The cracks you see is the outside rubber cover not a cable itself...I would also make it a little richer before another test;..
Ivan
btw when they test it do they put the probe before cat or after the cat??It should before the cat for adjusting and testing after the cat...
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1985 911 with original 502 191 miles...808 198 km
"The difference between genius and stupidity is that, genius has its limits". Albert Einstein.
Last edited by proporsche; 02-19-2019 at 12:51 PM..
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