no response to changes in fueling map :(

E-Rue

New member
well i think its time to pull the motor..... i know im getting blowby, and the truck has started running kinda rough..... doesnt want to idle, and has several nasty lean spots. it doesnt really seem to respond to fueling changes in the chip, but the FP seems to be fine. im gonna try a fuel filter this afternoon, but im pretty sure this motor is coming out.

anyone know what happens to a motor when it starts getting bad blowby? does it go lean or rich? do my symptoms match any you have seen? syty or otherwise? just trying to figure out if i have a tuning issue or motor issue before i pull it.

e
 
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