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Member 911 Anonymous
Join Date: Sep 2007
Location: Rancho Palos Verdes
Posts: 14,329
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Hmm???
Two things stand out in your comments:
1. 1 discolored plug, tells me it may be a lean situation on that plug, maybe clogged or weak fuel injector.
2. Fuel Filter not changed, well this could be the problem. Many had found this to be the culprit.
If you want to be certain, test the fuel pressure. purchase a cheapo tester at HB and verify.
+1, While you are in there, doing your valve adjustment check the studs. Are you burning more than normal levels of oil? Why not do a wet/dry compression test or even better a leak down test?
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'85 Carrera Targa
Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace
PCA/POC
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