Won't stay running

Asked by Feb 12, 2019 at 08:27 PM about the 1988 Ford Bronco

Question type: Maintenance & Repair

Dont know what else to do. Need help!! We have a
1988 ford bronco 2 2.9 liter. We have replaced the
distributor, wires, spark plugs, ignition control
module, fuel pump, fuel filter and changed the oil.
Still dies and won't stay running more than a mile.

1 Answer

190,925

After it cools down will it restart and run for another mile or so? If it does this I suspect that the distributor has a faulty pick coil especially if it was a rebuilt unit. You should also check the ignition coil output, you want a nice bright blue spark about 3/4 of an inch long, be careful when checking this if you do it yourself as these coils are high energy units and will really hurt if your the closest good ground. I just remembered a rig a had come into my shop that was doing the sane thing the only difference was all the electrical would go away for a few minutes then come back on, any way that turned out to be the ignition switch, might check it also as these do tend to come apart with age.

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