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I'm tempted to try the ngk 91874 since its iridium and supposed to be better than bosch.
Will try swapping tomorrow and report back.
The truck has begun to misfire not only at low and high RPM but now at idle. Feels like the engine is getting punched every couple seconds.
Any chance a bad injector on the 1-4 bank is causing cyl 6 misfire?
Those are the only injectors I have not seen yet and am tempted to tear into those as well
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