Fuel Pump Stays On

P0232 is a generic obd ii code that is triggered when the engine control module ecm detects that the secondary circuit to the fuel pump has a high voltage when the fuel pump relay is turned off. I swapped the ac compressor relay with the fuel pump relay in the fuse block but that did nothing.

How Can I Tell If I Need A New Fuel Pump Carfax

How Can I Tell If I Need A New Fuel Pump Carfax

Fuel pump stays on. When i turn the truck off the fuel pump continues to run. Twice now i have found that the internal fuel pump for my 08 mercury 150 efi runs with the key out and motor off. I have a 95 chevy 3500 pu with a 454 gas motor. Someone left a jumper wire in the fuel pump test pin of the self test data link connector in place or the wire to the fuel pump test pin that goes to the dlc is shorted to ground. What the p0232 code means. Normally it runs two times for 1 2 seconds each to prime the system then it doesnt do anything else until it senses a signal from the distributor.

Hello i have a 2008 sierra sle with a 53 engine. It is located on the driver side firewall under the hood. Why would it shut off. I tried pulling the fuel pump fuse and it still kept running. Fuel pump secondary circuit high. If this shuts off the pump the relay is sticking.

I walk past it and hear the humming of the rfi pump. If it is stuck the pump could continue to run. The only way i can get it. Normally the fuel pump relay operates during starting and when turning off the engine. The fp relay is stuckfused on. If anyone has seen this or had this happen before.

The fuel pump is supposed to turn on. Suspect the fuel pump relay. The only way to stop it is to pull the fuse or disconnect the batteryhow do i stop the fuel pumpi dont know what more you want. When you turn off the truck the fuel pump keeps running. I took the relay out and it still runs. I had exactly your problem and it happened to be on a 1987 ltd crown vic i had a very similar car.

Im thinking that there might be a relay that is sticking on. As far as i know if your fuel pump runs continuously with the key on engine not running or not being cranked the problem is in one of three places. Try rapping on the fuel pump relay with the handle of a screwdriver or similar. You could unplug the oil pressure switch which is located next to the oil filter see if that stops it also the fuel pump relay may be bad.

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