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1987 Ford Bronco engine wont start

Tiny
JEHUSAFAT
  • MEMBER
  • 1987 FORD BRONCO
Engine Mechanical problem
1987 Ford Bronco V8 Four Wheel Drive Automatic

i have a 1987 ford bronco full size with a 302 fuel injected been trying to get it to run for past few weeks and cant figure it out I have replaced ignition coil cap and rotor fuel filter fuel pump wires and plugs cleaned injectors and replaced fuel pressure regulator I have been having problems trying to start this bronco I have hooked both pumps up to a switch so I can turn them on manually engine will start real quick but will die a couple seconds later truck had been in an accident will start up fine with starter fluid but dies once it is used up it has an inertia switch on it have replaced almost everything to do with fuel and ignition any help would be greatly appreciated thankyou
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Thursday, July 23rd, 2009 AT 1:29 AM

14 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure and injection pulses.
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Thursday, July 23rd, 2009 AT 3:12 AM
Tiny
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  • MECHANIC
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Check your PM's its in there as requested
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Sunday, July 26th, 2009 AT 2:07 PM
Tiny
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Do you hear the fuel pump come on if not -check the inertia fuel cut switch if its tripped
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Sunday, July 26th, 2009 AT 6:42 PM
Tiny
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  • 27 POSTS
No I do not hear the fuel pumps engage I can hear inertia switch click
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Sunday, July 26th, 2009 AT 11:12 PM
Tiny
RASMATAZ
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Check for power both side of the inertia switch.
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Monday, July 27th, 2009 AT 12:20 AM
Tiny
JEHUSAFAT
  • MEMBER
  • 27 POSTS
Ok I did check I do have power to both sides of inertia but still the fuel pumps dont engage when key is turned to run I have hooked both pumps up to a switch to turn them on manually and can hear them running
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Monday, July 27th, 2009 AT 12:31 AM
Tiny
RASMATAZ
  • MECHANIC
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When power leaves the inertia switch it goes straight to the fuel pumps it should come on -double check the wiring/ground
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Monday, July 27th, 2009 AT 12:35 AM
Tiny
JEHUSAFAT
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  • 27 POSTS
Hey I lied I cannot hear the intank fuel pump going
just the one on the rail
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Monday, July 27th, 2009 AT 1:01 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Fine power it up and see what happens from the battery
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Monday, July 27th, 2009 AT 2:41 PM
Tiny
JEHUSAFAT
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  • 27 POSTS
I tried to start up the fuel pump and it is not working
would that be the problem possibly gas not running through it
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Monday, July 27th, 2009 AT 3:29 PM
Tiny
RASMATAZ
  • MECHANIC
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It has to work to push fuel to the other one.
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Monday, July 27th, 2009 AT 3:55 PM
Tiny
JEHUSAFAT
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  • 27 POSTS
Alright yeah I bought a new pump will install tomorrow and let you know I also have to do the timing thanks forall the info if it does not work illlet you know
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Tuesday, July 28th, 2009 AT 1:42 AM
Tiny
JEHUSAFAT
  • MEMBER
  • 27 POSTS
Hey I appreciate all the help nothing I do is getting it torun I am just selling it thanks again for the help
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Wednesday, July 29th, 2009 AT 4:53 PM
Tiny
JEHUSAFAT
  • MEMBER
  • 27 POSTS
Hey just wanted to let you know I tried a couple more things everything is brand new on the bronco even had the timing done and it just wont start andhave just decided to sell the damn thing thanks for the help
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Saturday, August 1st, 2009 AT 2:14 AM

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