1981 Ford F 100 "fuel mechanical pump 81" Questions

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...check your mechanical fuel pump the diaphram could be stretched or rotten, I had a similar problem with my 81 ford f150. I added a electric fuel pump and it now runs great and continues to ...

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Question about Ford F-100

2 Answers

...fuel pump? Can you hear it buzz for about 2 seconds when you first turn the key on? If it does not buzz, since the truck eventually starts, it could be a bad relay. After extended cranking, when the ...

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...fuel in the car. Finally, I took the car back...It seems to run well, the idle is a little hight 1000rpm, used to be 750 rpm. There are no visable fumes or smoke from my exhaust, The car starts well, ...

...Mechanical Error or TPS2/Airflow Plausibility (MS43) • 120 Plausibility Pedal Sensor or TPS • 122 Engine Oil Temperature • 123 Map Cooling Thermostat Control • 124 Activation DISA Solenoid • 125 ...

...fuel pump relay circuit failure 84 egr vacuum regulator (EVR) circuit failure 85 canister purge circuit failure 86 shift solenoid circuit failure 87 fuel pump circuit failure 88 electro drive fan ...

...mechanical float to regulate fuel. The regulator you installed will control pressure but do nothing for a lack of fuel volume at the carb which is the first thing I would suspect. Other things to ...

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