1978 Ford F100 Engine Trouble
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Joined: Feb 2004
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1978 Ford F100 Engine Trouble
My 1978 Ford F100 has a V6 300 in it. Right now it is misting and spitting and sputtering. I have replaced the spark plugs and wires, fuel filter, fuel pump, and air filter. It is still doing this after I have done all this. It stalls at about every stop sign and red light. Any info will help. Thank You!
Last edited by 1978F100; Feb 15, 2004 at 06:57 PM.
Fleet Mechanic
Joined: Sep 2003
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From: savannah,ga
check your carb for looseness. if you have the I-6 with the 1 barrel then just grab it and twist. if it wiggles then pull it and tighten all screws. also Blue loctite on the threads will help.
if not get some spray carb cleaner and with engine running spray manifold and any place it can suck air. if idle changes you have a leak
if not get some spray carb cleaner and with engine running spray manifold and any place it can suck air. if idle changes you have a leak
Posting Legend
Joined: Feb 2004
Posts: 32,025
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From: Where Critters Are Free
Stalling 300
Back when I had a F150 with the 300 six I had the same problem and the bolt that hold the carb were lose thank god for a1/2 in. wrench. I had to snug them every oil change. every 2000 miles I had the truck 10 years great mileage thats all it had.
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88 F250 300six 5spd 2wd 130,000
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88 F250 300six 5spd 2wd 130,000
99 F250 5.4 rack body dump auto
2000 F350 7.3 turbo 9ft rack 4wd drw 6spd
2004 F250 5.4 6spd 4wd pickup.
