i need help bad
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i need help bad
so i have a 1986 ford f150 4x4 4.9l straight 6. heres the problem, i can't get it to start. i have replaced, plugs and wires,cap, rotor, distributor, tfi module, fuel pump,coil, and battery. ive tried and tried, it started a couple times but only runs for a couple minutes then dies and wont start till 2-3 days later.
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im getting good spark and the modual is good, i replaced the parts but it was running before. i put a srewdriver in the the butterfly to keep the carb open and put the pedal on the floor, she wants to start with a spudder as long as the starter is turning. pulled the plugs, their soaked how can i dry the cylinder and ya'll think that was the proplem, flooded i mean?
Posting Guru
Joined: Jun 2004
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From: Casa Grande
You said you replaced the distributor, are you sure it's in correctly? Have you tried moving it to see if that helps? You sure the plug wires are right and start at #1 on the cap?
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Fleet Mechanic
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From: West Valley City
I'm pretty sure he means the distributor cap.
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im getting good spark and the modual is good, i replaced the parts but it was running before. i put a srewdriver in the the butterfly to keep the carb open and put the pedal on the floor, she wants to start with a spudder as long as the starter is turning. pulled the plugs, their soaked how can i dry the cylinder and ya'll think that was the proplem, flooded i mean?
For the distributor to be on correctly the no 1 cylinder needs to be at tdc on the compression stroke when the rotor is pointing at the no 1 plug wire.
Did you have your module tested? that is the only way to see that it is good, other than the truck running all of the time no problem. You have problems and they need to be worked out one at a time.
First off you need to see if your carb is leaking fuel. If too much fuel is dripping down inside when you are starting it, it will flood itself out all of the time. In which case you will need to rebuild your carb which is like 12 bucks if you do it yourself.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
The three step scenario of a failing ignition module:
1) Module overheats, engine dies. Module cools down, engine re-starts almost at once.
2) Module overheats, engine dies. Module cools down, engine re-starts in an hour or so.
3) Sooner or later, usually sooner...module overheats...BURNS OUT. Now the engine will not re-start.
Testing modules: Since the little darlin' only fails when it overheats, taking it to a parts store to be tested usually doesn't work...unless it has burnt out.
1984/89 F150/350, Bronco & Econoline 4.9L
E43Z-12A297-A .. TFI Module-mounts to dizzy (Motorcraft DY-425) / Marked: E3EF-12A297-A1A or A2A
This module is a notorious POS! Gazillions were replaced over the years, as it was installed in Passenger Cars, Trucks, Bronco's and Econolines.
In the late 1990's, Ford was forced by the NHTSA to recall FIVE million vehicles to replace it.
So...do not assume this little darlin' is any good, just because you just replaced it. And...was the following also replaced?
E5PZ-12A112-A .. Stator (aka Magnetic Pickup Coil), mounts inside dizzy (Motorcraft DU-30-A).
The symptoms can be the same for the module and/or the stator.
If the module was bought from an autoparts store, it's prolly not a Motorcraft module...and as bad as it was originally, most autoparts stores sell made in China crap.
Which means it might be NFG fresh oughtta the box!
1) Module overheats, engine dies. Module cools down, engine re-starts almost at once.
2) Module overheats, engine dies. Module cools down, engine re-starts in an hour or so.
3) Sooner or later, usually sooner...module overheats...BURNS OUT. Now the engine will not re-start.
Testing modules: Since the little darlin' only fails when it overheats, taking it to a parts store to be tested usually doesn't work...unless it has burnt out.
1984/89 F150/350, Bronco & Econoline 4.9L
E43Z-12A297-A .. TFI Module-mounts to dizzy (Motorcraft DY-425) / Marked: E3EF-12A297-A1A or A2A
This module is a notorious POS! Gazillions were replaced over the years, as it was installed in Passenger Cars, Trucks, Bronco's and Econolines.
In the late 1990's, Ford was forced by the NHTSA to recall FIVE million vehicles to replace it.
So...do not assume this little darlin' is any good, just because you just replaced it. And...was the following also replaced?
E5PZ-12A112-A .. Stator (aka Magnetic Pickup Coil), mounts inside dizzy (Motorcraft DU-30-A).
The symptoms can be the same for the module and/or the stator.
If the module was bought from an autoparts store, it's prolly not a Motorcraft module...and as bad as it was originally, most autoparts stores sell made in China crap.
Which means it might be NFG fresh oughtta the box!
