Has random idle miss, has random high speed miss.
05-17-2018, 11:25 PM
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Has random idle miss, has random high speed miss.
1993 ford f150, 5.8 liter auto trans. Replaced plugs, wires, distributor cap, rotor, coil and condenser. checked koeo fuel pressure, 15 psi, running at 35 psi. replaced fuel pressure regulator, same result. Distributor shaft is solid and had eec checked and it was good. Where do I go from here? Runs good cold, starts to miss when warm. High speed miss gets worse when engine is warm and under power.
05-17-2018, 11:46 PM
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You have to be a LOT more specific for us to help you. Start with the truck, and put ALL its details into your signature:
(phone app link)
Next: EACH part - brand, PN, & source. For the plugs - did you gap them during installation?
Who checked the EEC? Who checked the distributor? Do you have a Haynes manual? Have you read it?
(phone app link)
(phone app link)
Next: EACH part - brand, PN, & source. For the plugs - did you gap them during installation?
Who checked the EEC? Who checked the distributor? Do you have a Haynes manual? Have you read it?
(phone app link)
