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Help! 2.8 dying!


Sweet-85'

Sweet-85'

Member
Joined
Jan 31, 2009
Messages
180
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Location
Hastings, MN
Vehicle Year
1984
Make / Model
Ford Bronco II
Engine Type
2.8 V6
Engine Size
2.8L 171CID
Transmission
Manual
2WD / 4WD
4WD
My credo
If it ain't broke, fix it 'till it is!
The distributor was a little loose, but not so that it moves freely on its own. I'll run for a little, then die. I'll mess with the dizzy, it'll run for a little then die. I just don't know what's wrong with it.
 


dangerranger83

dangerranger83

5.0 HO under the hood!!!
Supporting Member
V8 Engine Swap
Solid Axle Swap
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Location
Lafayette, IN
Vehicle Year
1983
Make / Model
Ford
Engine Size
5.0 HO carbed with an np435 and np208
Transmission
Manual
Could be the TFI moduel going out or the plug going into it may be going bad. Changing the TFI models on them are a PITA. Have you tried tightening up the hold down bolt for the dizzy? Its a 13mm bolt.
 
Sweet-85'

Sweet-85'

Member
Joined
Jan 31, 2009
Messages
180
Reaction score
3
Points
18
Location
Hastings, MN
Vehicle Year
1984
Make / Model
Ford Bronco II
Engine Type
2.8 V6
Engine Size
2.8L 171CID
Transmission
Manual
2WD / 4WD
4WD
My credo
If it ain't broke, fix it 'till it is!
Not yet, its a PITA to find.
 
dangerranger83

dangerranger83

5.0 HO under the hood!!!
Supporting Member
V8 Engine Swap
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Location
Lafayette, IN
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1983
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Ford
Engine Size
5.0 HO carbed with an np435 and np208
Transmission
Manual
Its right behind the dizzy. If you can get your head under the hood far enough then you can just see it. Once found make sure you check your timing. I use a 13mm stubby wrench when adjusting the timing. I hate the exhaust cross over, it has got me a few times.
 

BLUE BII

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Apr 29, 2008
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Vehicle Year
1984 and 1997
Make / Model
fords
Engine Size
2.8 AND 2.3
Transmission
Automatic
you know what the point of the exhaust crossover is? mines blocked off cuz i removed my smog pump, the crossover is still on there jus blocked at the end
 

shanabe

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Jun 23, 2009
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Location
Oregon
Vehicle Year
1985
Make / Model
Ford
Engine Size
2.8L V6
Transmission
Automatic
I have actually changed the TFI on my 85 B2 twice already...once cause it needed it and the second time because when I was making sure it was sitting properly I dropped it and scratched the dang thing GRRRRR

I havent had any problem changing it though it is a bit of a PITA unless you are up in the engine. I just use the special socket that you have to buy and just use the fingers to loosen and tighten it up.
 
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