Tr6 problems tune or??
I did some work on my truck new long tubes, full exhaust, headgaskets, I installed a fresh set of tr6 iridium plugs.
Double checked everything no loose plug wires leaks or problems. Not tuned yet. I am getting missfires at idle. every cylinder missfire. I want a colder plug going to run a little nitrous. Is this tune related or ??? |
What exact plugs did you install and what gap?
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Ngk 3689 called ngk they said it's a tr6 iridium
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What was the gap?
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they were 0.04 from ngk I left the like that.
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Not much of a gap there if that reading you posted is actually .004, are you sure that you didn't typo the gap numbers.... Should look like this .040 +/-
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I don't think I would run a fine wire plug with nitrous. Something like a BR7EFS would be my choice.
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Double checked everything.
at idle= slight missfire while driving absolutely no missfired while on the gas. No check engine light Shows on scanner |
Sound like vacuum leak.
Y |
Look at long tern fuel trim at idle
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