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Bronco II sputtering and no power


ScarletStang

New Member
Joined
Oct 14, 2020
Messages
7
Reaction score
1
Points
3
Location
North Carolina
Vehicle Year
1989
Make / Model
Ford Bronco II
Engine Type
2.9 V6
Engine Size
2.9
Transmission
Manual
2WD / 4WD
4WD
Tire Size
235/75/15
The MAP sensor is near the firewall to the right of the upper intake manifold, at the rear hood line.
Okay, cool. I found it. I might try replacing that if the new fuel pump doesn't fix it. Still waiting for it to come in the mail.
As I was looking at this thread again a thought came to mind.
Make sure you have the firing order correct. A couple of crossed up plug wires could cause your sputtering and backfiring.
I'm sure it's correct. I even double checked when I did the wires. I didn't even open the hood between the time it was running perfect to when it started running bad.
 


ScarletStang

New Member
Joined
Oct 14, 2020
Messages
7
Reaction score
1
Points
3
Location
North Carolina
Vehicle Year
1989
Make / Model
Ford Bronco II
Engine Type
2.9 V6
Engine Size
2.9
Transmission
Manual
2WD / 4WD
4WD
Tire Size
235/75/15
Shoutout to FedEx for deciding to not deliver my fuel pump and sending it all over the place. Now it's being sent back and forth between the same two FedEx facilities in Florida. Been back and forth five times now smh. Why is nothing ever simple?
 

ScarletStang

New Member
Joined
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Messages
7
Reaction score
1
Points
3
Location
North Carolina
Vehicle Year
1989
Make / Model
Ford Bronco II
Engine Type
2.9 V6
Engine Size
2.9
Transmission
Manual
2WD / 4WD
4WD
Tire Size
235/75/15
It sounds like your fuel pump in need of attention
DirtBronco, you hit the nail on the head. New fuel pump in and it's running like a champion! That is after I stayed on the phone two hours with FedEx trying to locate my fuel pump, I finally got it 16 days after ordering it.

Thank you to everyone who posted trying to help!
 

OGdr

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U.S. Military - Veteran
Joined
Oct 20, 2019
Messages
20
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9
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Location
Oak Ridge
Vehicle Year
1987
Make / Model
Ford Ranger
Engine Type
2.9 V6
Transmission
Manual
2WD / 4WD
2WD
Fyi, harbor freight sells a fuel pressure test kit. It’s cheap and the one I bought leaks a little, but it’s only $20 and invaluable when diagnosing these sort of problems
 

JerryC

Active Member
Joined
Apr 10, 2014
Messages
270
Reaction score
56
Points
28
Location
Tennessee
Vehicle Year
1988
Make / Model
Ford
Engine Size
2.9
Transmission
Automatic
Fyi, harbor freight sells a fuel pressure test kit. It’s cheap and the one I bought leaks a little, but it’s only $20 and invaluable when diagnosing these sort of problems
I have that same one :). I had to teflon tape the threads to stop the leaks.
 

SenorNoob

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TRS Event Participant
Joined
Oct 24, 2012
Messages
2,430
Reaction score
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113
Location
Middle Tennessee
Vehicle Year
1988
Make / Model
Ford
Engine Type
4.0 V6
Engine Size
4.0
Transmission
Manual
2WD / 4WD
4WD
Total Lift
1.5" Front + 4" Rear
Tire Size
245-70-R16

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