My F-350 7.3 Power Stroke has a Diagnostic Trouble Code (DTC) of "PFFFF" It's also doing a lot of smoke beltching in 1st and 2nd gear (automatic trans) during medium to hard accelerations. What might the problem be? What is PFFFF? Thanks.
My F-350 7.3 Power Stroke has a Diagnostic Trouble Code (DTC) of "PFFFF" It's also doing a lot of smoke beltching in 1st and 2nd gear (automatic trans) during medium to hard accelerations. What might the problem be? What is PFFFF? Thanks.
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