Will not start, no dash gauges light except "low gas level"
Will not start,I hear no fuel pump action when key is turned on.checked
all fuses and fuel relays .And the dash gauges do not resgister with
key on postion. Added fuel straight into throttle body with no results.
where and how do you replace the auto shutdown relay? Computers are expensive and i'm on disability. Pls help.
Re: will not start, no dash gauges light except "low gas...
I have a '99 dodge dakota, 4 cyl, 5 speed manual. While researching a no start problem ran across possible solution to this problem. If no guage lights show when key truned to on position then normally a bad ignition switch. With fully charged battery and working ignition switch guage lights should slight up then go out when ignition in "on" position. Try shaking the key back and forth.
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Then your fuel pump is not working, or your fuel filter is blocked. You will probably have to check your fuel pump circuit if you have no fuel pressure in the fuel rail, where the injectors sit. There is a fuse for the pump, usually in the under hood fuse/relay block. That is probably also where the fuel pump relay is located. You should hear or feel this relay click when the ignition key is cycled from off to on. Also, when the key is turned to on, you should hear the fuel pump in the gas tank turn on for about 2 seconds. This will put the pressure in the gas in the fuel rail, for starting the engine. If you don't hear the pump turn on for that 2 second period, it is probably a bad fuel pump. But know the fuse is good first.
Might be wise to check fuses and determine why dash lights don't work. Can you hear fuel pump run? Have you checked fuel pump fuse and relay? Often when a pump fails it has been drawing extra amps for some time prior to failing, which can harm the relay. If possible, hook up a fuel pressure gauge and insure you have correct pressure. Also be aware that some cheap parts store fuel pimps are junk, and may not work even when new. Also, did you clean the gunk out of the tank?
Could be fuel pump. If you noticed that it was taking a long time for the engine to start before this problem occurred. If you do not hear the pump when you turn the key, then get a pressure gauge hooked up to the fuel line and check the pressure. Fuel pump is in the tank it will take you a few hours to replace.
General Motors fuel pumps are good at giving the mixed signals your talking about, when you turn the key on can you hear the fuel pump run?? if not you may want to check the fuel pump relay.... theres nothing you can do with the jumping needle unless you replace the pump.
check the fuel pump fuse and the relay. check to see if you can hear to pump running when you turn the key to the run pos. open the fuel door and remove the cap stick your ear close to the filler tube and have some one turn the key to the run pos without starting if you do hear anything and all fuses and relays are good get a test light and probe the power wire going to the pump. (follow the harness that goes above fuel tank. if you dont knoe which one is the power wire coming from that little harness just try probing alll of them one at a time.but, every time you go to a differnt wire you must cycle the key off then to the run pos. while the test light is touching inside the wire.
if the light comes on go under the hood and look at your fuel rail there should be a vavle that looks like a vavle stem on your cars tire press it while key is on if it very low pressure replace pump.if it has a lot of pressure you dont have a fuel issue.
Put the key into the ignition and turn it to the second position. Thisposition will light up the dash lights but will not crank the engine.
Listen for a faint or soft humming sound coming from the rear of the vehicle, specifically the gas tank. This will happen almost immediately after you turn the key to the second position, so you'll have to listen closely and be ready for it. The humming is the sound of the fuel pump priming, or pressurizing, the fuel system. If you do not hear this sound, you may have a faulty fuel pump.
Check to make sure there is enough fuel in the gas tank. Although this may seem obvious, it happens to the best of us. If you're gas tank is near empty, the engine may not start. This happens more frequently in the winter time in cold climates; the low temperatures cause condensation to form on the inside of the gas tank. Since water doesn't burn, the fuel pump tries to draw in fuel and instead gets a mixture of water and gasoline and cannot get enough fuel to the engine for combustion. Check to see that the vehicle starts. Even if you don't hear the fuel pump priming, attempt to start the vehicle. If the engine won't turn over (start) and you haven't heard the fuel pump prime the system, it is a good indication that the fuel pump may have failed.
Check the fuel pump fuse. If the fuse is blown, the fuel pump will not prime. Open the fuse box under the dash of your vehicle and locate the fuse for the fuel pump. Alternately, some vehicles locate the fuel pump fuse in a fuse box under the hood. Remove the fuse box cover (specific removal will vary according to the vehicle). Check the fuse to see if the metal strip inside the fuse has popped. Replace the fuse if the metal strip has popped; if it hasn't popped, it is most likely your fuel pump itself that has failed.
you say you replaced the fuse, but does the fuse have power? the gray wire at pump should have power when cranking, or for 2 seconds when turning key on. At fuel pump relay, put power onto gray wire, the pump should run if the wiring is good. if it doenst run then ck for power at fuse while power is on gray wire.
CHECK THE DASH FUSE.IF ALL IS GOOD.YOU GOT A LOOSE GROUND WIRE OR A FAULTY DASH.BUT YOUR CAR STALLING COULD BE FUEL PROBLEMS.CHANGE FUEL FILTER AND CHECK FUEL PRESSURE.IT SHOULD BE 49 PSI.MAKE SURE YOU HEAR FUEL PUMP RUNNING WHEN YOU TURN ON IGNITION SWITCH.IF NOT.CHECK FUSE AND RELAY.IF THEY BOTH ARE OK.FUEL PUMP IS FAULTY.
hope your not have the same problem that i had. i had to replace the ecu. my gauges wouldnt read and my odometer just flash and that would be it and the gas light would come on even though it had a full tank. but there one thing that you could try. replace the auto shut down relay first before you go and replace the ecu. the auto shut down shuts the computer off when you turn the key off. and if thats not working right then the computer wouldnt come on and the truck will not start and the fuel pump will not come on and the spark plugs will not fire.