Combi Valve leak?
#1
Combi Valve leak?
Chasing down an intermittent P0171 code, did the suggested Vacuum leak check using the PVC tubing airbox adaptor and 12 psi of pressure. Found a melted check valve by the airbox, replaced same. Now when pressurized I get a 'hiss' I can't put an exact finger on back by the combi valve (fairly certain it's not the short piece of rubber tubing attatched to it). Plus, a gurgle is heard down in the oil pan. Related? Bad combi valve? Suggestions?
#3
Well, three days, multiple hot / cold starts, and no CEL, so hopefully it was the check valve I replaced. I think I'll just let sleeping dogs lie.
Put my mind to other things like a boost gauge and a catch can.
Put my mind to other things like a boost gauge and a catch can.
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