Question about 1990 Ford Bronco

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Bronco wont stay running

1990 5.0 bronco, parked car and it was still running kept periodically starting then one day it wouldn't stay running only stays running when flooring and even that is shoty a best, it will still eventually conk out, im wondering if it is the fuel pump or something related

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  • marvin8323 Feb 10, 2009

    changed fuel filter, and checked pressure right around 40

  • marvin8323 Feb 13, 2009

    changed fuel pump, fuel filter, fuel regulator, tps sensor, iac valve, getting spark, stays running with starting fluid, get pressure at fuel rail and still will not run on its own. checked for old gas and filled tank with new gas still will not run on it own


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First thing, if its ben a while sense the fuel filter has been chg. do it. if that dosent cure it do a fuel pressure test. my best guess its filter or pump.

Posted on Feb 10, 2009

  • ccn7 Feb 10, 2009

    Weather its throuttle body or injection it needs more than 40, it should be around 48 to 50 on throuttle body and 58 to 60 on injection.


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