1991 Dodge D150 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Dodge D150
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1991 Dodge D150 ProblemsAir Conditioning Not Cold
The powertrain control module (PCM) may fail resulting in a lack of AC cooling. The lack of cooling could be caused by evaporator freeze-up due to the AC compressor staying on continuously or conversely, not coming on at all. Proper diagnoses of the PCM should be performed before replacing it for this concern.
Engines using a throttle body fuel injection system may develop a fuel leak from the fuel injector nozzle or the injector o-ring seal can cause any of the following: Hard starting, rough idle, black exhaust smoke, and poor fuel mileage.
The fuse may blow repeatedly for the HVAC blower motor or the motor may stop working all together. Our technicians tell us that can often be repaired by replacing the blower motor switch with a revised switch and installing a wiring harness with a relay assembly.
1991 Dodge D150 QuestionsOkay I have cleaned the throttle body but now getting two much fuel. I need to know if you might help to find out what this might be (1 answer)
looking for the correct description of what kind of engine and it has a Holly Carb does that make a difference in gas usage or for a fuel pump?
Im looking for a fuel pump I didnt know they cost that much