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89 Bronco II ran like a beast and now won’t start???


Casiokorg

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Jun 20, 2021
Messages
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Location
Usa
Vehicle Year
1989
Make / Model
Bronco II 2.9
Transmission
Manual
Hey everyone, thanks for reading.
Symptom here:

I’ve got a 1989 bronco II 2.9 v6 manual. Less than 100,000 miles and was running like a beast until about 2 weeks ago.

I was waiting at a red light and when I went to shift into 1st, it stalled. Now every time I try to start it, it sounds just like the video above. I’ve replaced the TFI and still nothing.

Any ideas on what I should do next? I have some experience - replaced alternators, starters, etc etc, but limited tools and all work will have to be done in my driveway.

should I check fuel pump next? If yes - where exactly is it?

Thank you in advance for your advice!
 


Uncle Gump

Token Old Guy
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Location
Ottawa IL
Vehicle Year
2006/1986
Make / Model
Ranger/BroncoII
Engine Size
4.0L SOHC/2.9L
2WD / 4WD
4WD
My credo
Lead follow or get out of my way
Try the 50/50 test...

give it a bit of fuel (doesn't need much)... even a small shot of starting fluid

crank the engine... did it start or at least fire?

yes... spark is working. start looking for a fuel problem

no... you have no spark
 

Casiokorg

New Member
Joined
Jun 20, 2021
Messages
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Location
Usa
Vehicle Year
1989
Make / Model
Bronco II 2.9
Transmission
Manual
I put some fuel in, but is starting fluid something different?
Where can I find the spark plugs?
 

Uncle Gump

Token Old Guy
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Joined
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Messages
13,946
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13,438
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113
Location
Ottawa IL
Vehicle Year
2006/1986
Make / Model
Ranger/BroncoII
Engine Size
4.0L SOHC/2.9L
2WD / 4WD
4WD
My credo
Lead follow or get out of my way
Ummm...

I'm sorry... but if you need to ask us where your spark plugs are... you should phone a friend that does a little side work on vehicles.
 

groovtubin

Member
U.S. Military - Veteran
Joined
Jun 9, 2020
Messages
86
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Location
NC
Vehicle Year
86
Make / Model
Ford Bronco II
Engine Type
2.9 V6
Transmission
Automatic
2WD / 4WD
4WD
Hey everyone, thanks for reading.
Symptom here:

I’ve got a 1989 bronco II 2.9 v6 manual. Less than 100,000 miles and was running like a beast until about 2 weeks ago.

I was waiting at a red light and when I went to shift into 1st, it stalled. Now every time I try to start it, it sounds just like the video above. I’ve replaced the TFI and still nothing.

Any ideas on what I should do next? I have some experience - replaced alternators, starters, etc etc, but limited tools and all work will have to be done in my driveway.

should I check fuel pump next? If yes - where exactly is it?

Thank you in advance for your advice!
The TFI troubleshooting chart here is GOLD..if ida jus ttowed it home itd saved me $300+ dollars as shop couldnt fix, n charged me...w/chart here found an open wire from coil secondary to Pin 5 of TFI connector w/o Start/Run/Coil voltage at TFI it will NOT start, and of course no fuel if applicable, my pump PRIMES at key ON ( u can hear it) did yours?
 

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