02 8.1 still missing under load and RPM
August 7th, 2009, 11:29 AM
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02 8.1 still missing under load and RPM
I still have the missing under load and RPM on my 02 8.1. I have changed the fuel filter, installed new NGK OEM plugs and wires, cleaned the MAS (mass air flow) sensor, new air cleaner, and ran 2 cans of injector cleaner( SEA FOAM NAPA product) on a hard run. I still have the miss. I think it came on gradually. I have just turned over 100K and has never had any problems. I tow a heavy 5 th wheel. Any ideas????????
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