Check engine light comes on it produces black exhaust and strong smell of gas. The fuel pump usually runs for about 30 minutes after it stops running i can start the truck when it is running.
Fuel Pump Won T Stop Running Third Generation F Body
Fuel pump won t stop running. The fuel pump relay is located under the drivers seat. The green wire going from the fuel pump relay to pin 19 on the computer may have a place in it that has rubbed bare and is shorting to ground. So if a short of the stop wire to ground in the chassis wiring or a sticking stop switch occurs a continuously running fuel pump and a non cranking condition will result. My absolute first guess would be a problem with the new chip installed in the motronic. Christina treece 38070 views. Let me know what happens.
To start with restore the stock motronic configuration and verify that the bike works normally again. It sounds like you have an intermittent short in the control circuit of the fuel pump relay. 2 a short to ground in the computer to fuel pump relay control circuit. 1 a failed fuel pump relay. Your ja expert ivan. Your fuel pump will most likely die before its designed lifespan.
Hellocustomer lets start by rechecking something disconnect the fuel pump relay and then disconnect the oil pressure switch. The symptom here fuel pump running non stop despite zero rpm is consistent with hes failure mode 2 though there are other possible causes. Pump keeps running duration. The fuel pump run continuously with your engine delivering high pressure fuel to the fuel rail and injectors. These are the only two things that could keep the fuel pump on without going into a true wiring issue. Even with the key not in.
Relay contacts have stuck closed. Well stop supporting this browser soon. My fuel system wont turn off. The fuel pump keeps cool by staying submerged in fuel or else it would overheat. The easiest thing to do first is unplug the remote control wiring at the generator. If you make a habit of running your tank all the way to empty before filling up.
It may be easier to just remove the fuel pump relay when you stop the car instead of removing the negative terminal each time as im sure youre probably doing a bit of damage to the terminal when re tightening it each time. Here are some pictures to assure you that you have the right stuff.
Gallery of Fuel Pump Won T Stop Running
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