3sgte Fuel Pump Relay Bypass

I m performing the fuel pump bypass mod but keeping the torc intact via wolfkatz s post.
3sgte fuel pump relay bypass. Acceleration is uneven this is also a sign of a bad fuel filter so have the fuel filter checked first in this case. Replacing the fuel pump relay may not fix the problem because the source of the trouble may be the fuel pump. If you bypass your fuel pump resistor this might fix the problem and keep the safety features in place. What pins on the relay can i connect to bypass this safety feature and jumper across the relay to pump out the.
When the key is removed from the vehicle the fuel pump will continue to run. The ecu switches the the fpr off at start up to run the pump full speed then switches over to the resistor after a certain time making the pump slow down. Joined apr 16 2005 1 322 posts. Chrysler models equipped with a total integrated power module or tipm may exhibit a fuel pump relay control circuit failure.
When the relay fails the fuel pump won t operate. Car is a 94 turbo import. The fuel pump turns on but fuel pressure is low. Here are some common signs of a faulty fuel pump.
A small length of copper wire can bypass the fuel pump relay inside the relay fuse block in order to operate the fuel pump for testing purposes. The pump only runs for a few seconds and shuts off as the relay tells the computer the truck is not running and shuts off the pump. I want to pump out the fuel by removing the fuel line and pumping into a tank by turning on the key. A high pitched sound occurs when the engine starts.
In this article video the diagnosis and repair of the faulty internal fuel pump relay will be covered. Has 85k miles on. Jump to latest follow. Discussion starter 1 may 5 2009.
Park the vehicle on a flat surface and open the hood. Fuel pump relay bypass best way without cutting. The car acts. External relay installations involve the cutting and.