Quote:
Originally Posted by KAT-PWR
If one/two cylinders plugs look different that suggests injectors issues
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I wish it were so simple ! all four look identical nasty white tips (bcpr6es)ngk plugs. Less then 50 miles on them, they will do this if i go wide open throttle and the issue is present. I could drive it 100 miles babying the car and they would look fine, Driving easy minimal boost (1/4) throttle the plugs looked fine, but when i floor it it will rapidly lean off at full boost. The wide band shows this ---
when the issue is present. afr comes back to normal 14.7 range when you let off and cruise lightly.