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1991 Mitsubishi Mighty Max Repair Question


Topics covered: Fuel pump, Fuel pump relay, Fuel injection.
Mileage: 176,000 miles.

Asked on May 18, 2011

Fuel pump relay

I need to locate the fuel pump relay for this truck. I am not getting any power to the pump and I'm told it could be the relay. Thanks
Avatar Asked by tobalkin

Answer

Replied on May 18, 2011

It doesn't have a fuel pump relay. The fuel pump is powered by the main relay under the right kick panel.

Tiny Answered by Wrenchtech (expert)
14,829 answers provided
Replied on May 18, 2011

If there is no fuel pump relay. What else could stop power from getting to the fuel pump? Could it be the main relay or is there a kill switch or something else causing this loss of power?

Tiny Response from tobalkin
1 question asked
Replied on May 18, 2011

There are any number of possible causes. The main relay could cause it but it would also take out the fuel injections. You may not even be testing it at the right time. It has to be cranking to see power.

Tiny Answered by Wrenchtech (expert)
14,829 answers provided

Replied on May 18, 2011

I called the local parts store and they said they have a fuel pump relay. It is $61. Do you think they are trying to sell me a main relay?

Tiny Response from tobalkin
1 question asked
Replied on May 18, 2011

I guess you'll find out when you go to install it.

Tiny Answered by Wrenchtech (expert)
14,829 answers provided