Hey guys I?m not that mechanically inclined but I try lol. I have been getting 02 readings on b1s1 and b2s2 that are jumping from .730 to .876 I had my plugs replcaced about 20000k ago but i decided to check them the gaps were .035 .034 .040 .041 .039 .040 And this was done by a reputable garage. I?ve changed my air filter and I also found a rip in the diaphragm of my ebov so I?ve replaced that. What could he causing this and smell of unburnt fuel? Truck has a superchips tuner on 87 tune
Quinnford
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