Do you use octane boosters? That could be the problem.
yellow powder in spark plug chamber?
I just changed my plugs and in one the holes that the plug sits in...there was a whole bunch of yellow powder. Any clue what this is or what causes it?
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ya,just be glad it's not white
Yep!
Yep there's yellow powder that looks like sulphur in the hole that the plug goes down into. I dont run octane booster but I do run nothing but premium gas. and it's only in one of the cylinders....?
Also when I first start the car in the morning I get a nice plume of blue smoke, Bad rings? Valve seals? PCV? It's only when I first start it, not all the time
Yep there's yellow powder that looks like sulphur in the hole that the plug goes down into. I dont run octane booster but I do run nothing but premium gas. and it's only in one of the cylinders....?
Also when I first start the car in the morning I get a nice plume of blue smoke, Bad rings? Valve seals? PCV? It's only when I first start it, not all the time
Blue smoke on startup? Most likely rings ... how many miles do you have? You can go for a while with dying rings ... but start saving up now. Taking that engine apart isn't cheap.
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