1991 Ford Bronco Bronco will not fire up

RONALDJUNIOR1983

MEMBER
1991 FORD BRONCO
V8
4WD
AUTOMATIC
153,000 MILES

I have a 91 bronco that will not start. Its has always started on the first time. I started it this morning let it idle for 10-15 min got in it put it in drive touched the gas and it stalled. Then tried to turn it over and all it did was crank over. I did this enough time till I could hear the battery dying. Get back in it 1 hour later and will crank but will not fire. Never had this prob its always started

Monday, December 1st, 2008 AT 2:29 PM

1 Reply

RASMATAZ

MECHANIC
75,992 POSTS

Try doing below to determine if its fuel or spark problem this is where we start.

Get a starting fluid or ether and spray into the carb or the throttle body on an EFI. Did it start and die? If not disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, distributor pick-up coil, ignition control module, cam and crank sensors- Note: If it doesn't apply disregard it

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Monday, December 1st, 2008 AT 2:34 PM