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91 Ford Explorer intermittently dies/high idle


Epalm18

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Joined
Sep 14, 2020
Messages
1
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Location
California
Vehicle Year
1991
Make / Model
Ford Explorer
Transmission
Automatic
Hello, I have a 91 Ford Explorer 4.0. Vehicle sat for a year and leaked water down to the computer. Replaced computer and then ran good. However, it only makes it about 15 miles then CEL comes on, loses power, idle ramps up to about 2 thousand RPM on side of road and dies. It’s done it every time I’ve drove it now. The 2 codes that are present are a 95, and an 87. Things I have replaced include: fuel pump, canister purge valve, throttle positioning sensor, computer, fuel filter, spark plugs, plug wires, fuel pressure regulator, water pump, thermostat, fan clutch, and radiator. I also made sure fuel cutoff switch was good. Please help! Any suggestions welcome thank you!!
 


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Defpotec

New member
Joined
Mar 27, 2017
Messages
3
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1
Vehicle Year
1989
Make / Model
Ford
Transmission
Automatic
Well those two codes indicate an issue with the fuel pump circuitry. Try running new wiring from the relay connections to the fuel pump or check the ground for the pump.
 


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