2014 F150 5.0 V8 119k miles
-hard to start first thing in the morning. Long crank, sputters, eventually fires up.
-after it starts the first time it’ll start perfectly as long as I don’t let it sit for more than 12 hours
-PO300 multiple cylinder misfire CEL(sometimes no CEL, just vibration at idle) occasionally but not every time
-exhaust smells like unburnt fuel for the first couple of seconds after long crank
Work around is to leave key in the “on” position for a minute or two then it’ll fire up fine even after sitting overnight. Otherwise runs beautifully once started up.
Battery is new. Fuel pump module is new. Pulled fuel line at the rail(no port to test fuel pressure) and put key to on position - nothing came out besides a drop of gasoline even though it’s supposed to be running 60 psi. Generic code reader showing 0 short term fuel trim. Not sure if the code reader just doesn’t work for Ford or if it actually is reading 0. Freeze frame data showed -0.8 long term fuel trim during my last PO300 CEL.
Everything is pointing to a bad fuel pump(original). But before I drop the tank is there anything else I should look at? Really dreading the fuel pump job because it just snowed and below freezing temps are forecasted for next week.
Coils and spark plugs are not Ford OEM so they were replaced at some point. Unsure of brand or when it was done. I just know they aren’t factory. No vacuum leaks either.
-hard to start first thing in the morning. Long crank, sputters, eventually fires up.
-after it starts the first time it’ll start perfectly as long as I don’t let it sit for more than 12 hours
-PO300 multiple cylinder misfire CEL(sometimes no CEL, just vibration at idle) occasionally but not every time
-exhaust smells like unburnt fuel for the first couple of seconds after long crank
Work around is to leave key in the “on” position for a minute or two then it’ll fire up fine even after sitting overnight. Otherwise runs beautifully once started up.
Battery is new. Fuel pump module is new. Pulled fuel line at the rail(no port to test fuel pressure) and put key to on position - nothing came out besides a drop of gasoline even though it’s supposed to be running 60 psi. Generic code reader showing 0 short term fuel trim. Not sure if the code reader just doesn’t work for Ford or if it actually is reading 0. Freeze frame data showed -0.8 long term fuel trim during my last PO300 CEL.
Everything is pointing to a bad fuel pump(original). But before I drop the tank is there anything else I should look at? Really dreading the fuel pump job because it just snowed and below freezing temps are forecasted for next week.
Coils and spark plugs are not Ford OEM so they were replaced at some point. Unsure of brand or when it was done. I just know they aren’t factory. No vacuum leaks either.