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CrAsH
06-11-2010, 06:44 PM
I have a 1990 with the 5.0. I bought it about 3 months ago and every once in a while, seems only when in traffic on 80 degree+ days, my bronco will just stall out and won't start up till it sitts for a while. I've tested a few things and determined when this happens i don't have spark. I've changed the ignition module, coil, cap & rotor, plug wires, & the plugs, all thats left is the distributor or the harness.I was wondering if any one here has had a simular problem or some suggestions on what else to check. Thanks.
Frank
NastyEllEssWon
06-11-2010, 07:10 PM
iac is a common problem on those...
CrAsH
06-11-2010, 07:21 PM
iac is a common problem on those...

I've tried cranking with slight pressure on the throttle wich should keepy it open, im falrley certain it's on the ignition side
greenformula92
06-14-2010, 08:50 PM
its the ignition control module. i can't remember if yours will be attached to the distributor or mounted on the DS inside fenderwell under the hood
CrAsH
06-15-2010, 12:57 AM
Yeah, i originally thought thats what it was but i replace it thursday then as i was driving from my dads house to my apartment i got caught in traffic on rt. 76 w by rt 1 and it happened again. My boss said he thinks i may have gotten a bad module from autozone i guess that could be. i posted on a bronco forum too, and at first got no reponse but i just looked again and they all seem to think its the module too, and its the one where its on the distributor and the one guy said it may be worth moving it to the fender. i gotta wait till my days off to give it another look.
NastyEllEssWon
06-15-2010, 03:49 AM
check the crank sensor
greenformula92
06-15-2010, 07:48 AM
Yeah, i originally thought thats what it was but i replace it thursday then as i was driving from my dads house to my apartment i got caught in traffic on rt. 76 w by rt 1 and it happened again. My boss said he thinks i may have gotten a bad module from autozone i guess that could be. i posted on a bronco forum too, and at first got no reponse but i just looked again and they all seem to think its the module too, and its the one where its on the distributor and the one guy said it may be worth moving it to the fender. i gotta wait till my days off to give it another look.

yes its very possible to have gotten one thats been damaged internally from autozone.....happened to me. it could also be the pickup in the distributor
GP99GT
06-17-2010, 06:17 PM
TFI module or pickup in the dizzy is common