Truck starts fine but after approx 20 to 30min the truck shuts off replaced the fule pump and the flot and mad sure to do every thing corectly but after starting the truck again the truck shut off and replaced the relay switch and the truck started checked the nersha switch is working please help.
yea my truck is doing the exact same thing, i checked the spark when it happened the last time, and it had spark. Im puttin a relay in mine today see how that works, if that dont work ill prob go for the pump..it just seems like it aint gettin fuel when it happens...
yea my truck is doing the exact same thing, i checked the spark when it happened the last time, and it had spark. Im puttin a relay in mine today see how that works, if that dont work ill prob go for the pump..it just seems like it aint gettin fuel when it happens...
If this happens every time you start your truck and it shuts off the same each time, you just might have a dirty fuel filter only allowing so much gas pass through until it clogs once again. I once had a chevy van, when I would drive it, would go a few miles and engine would shut down. I would wait 10 or 15 minutes, it would start up and allow me to drive a few more miles then shut down again. I changed the fuel filter, It was fine after that.
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Check to see if FUEL SHUT OFF SWITCH Went BAD..............Located in Passenger side kick panel. will have red button on top. Unplug it. take paper clip and complete circut. If car starts , then replace fuel cut off switch.It is an INERTIA SWITCH,similar to a MERCURY SWITCH.
Look in the manual. Probably a little button on the kick panel in the front passenger seat, just in front of the door. It resets a relay which trips if you roll over.
the computer is what sends the signal to the fuel pump relay. Check the harness plug at the fuel pump again they tend to get loose. there is an updated replacement plug for this. also make sure the terminals on the fuel pump relay are clean and not corroded.
two things you can check . look in the trunk on the passenger rear side behind the carpet there is a fuel pump shut off switch make sure the harness wasn't bumped , also there is a fuel pump relay that might be getting hot under the hood near the Fuses on the inner finder well . Good luck
I would check fule pump relay... Doe u hear the fuel pump runnning briefly when u turn the key on at first?
relays are a common thing to replace.. That woudl be first thing i would check. next step if thats not it is to see if the fule cut off switch has been triggered by hititng hard bumb or accident.. that usually cutts pup off all together so it wont even try to start
Let me explain real quick the fuel pump circuit, when you crank to start that is a straight circuit to the pump via a fuse in most cases, when the engine starts and you release the key the fuel pump relay is energized and keeps the fuel pump running, it sounds like the fuel pump run relay may be the problem with your car, replace it or bypass it to test, if you don't understand how a bosch relay is wired don't jump it yourself, you can burn up the wiring.
yea my truck is doing the exact same thing, i checked the spark when it happened the last time, and it had spark. Im puttin a relay in mine today see how that works, if that dont work ill prob go for the pump..it just seems like it aint gettin fuel when it happens...
When it shuts off do you have fuel pressure?
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