Question about 1990 Nissan Pulsar

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My start when i put fuel direcly in my in take but shout off i think my injectors are no pulsing

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  • krytekal Oct 09, 2010

    the pump is ok

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  • Master
  • 1,033 Answers

Your fuel pump needs to be checked, sounds like it's not pumping the gas up to the injectors.

Posted on Oct 09, 2010

  • Chris Busby
    Chris Busby Oct 10, 2010

    try the pressure regulator.

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07 chevy cobalt 2.2L no injectors pulse!the fuel pump works fine!when I spray starter fluid inside the throttle body & than the want to start...NEED HELP PLEASE!!! LIKE A.S.A.P


Hi,

I would check n replace the fuel filter if needed. Also, it could be one of the spark plugs. Was it running before? Can you think of anything that happened or changed recently?

Aug 08, 2016 | Cars & Trucks

1 Answer

Why doesn't it start?


Are you missing anything else? Engine cranking do you have spark at the spark plugs? Do you have a fuel injector pulse? If your missing all three, check for an rpm signal.
Make sure battery has a full charge and battery connections all good.
I don't understand, what is a "shout switch"? You do have an inertia switch in the fuel pump circuit. Note the wiring diagram.
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Mar 13, 2016 | 1996 Ford Explorer

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99 grand am 3400 gt doesn't start. It ran fine , but now it won't start. It has spark and fuel . all fuses are good . Cranks over but doesn't start. It only stars if I put gas in the throttle. ????...


Check your ignition module.
My thought is, you have no fuel injector pulse. The voltage for fuel injector probably goes hot with the key on, the computer controls the ground circuit. If your missing rpm signal, no fuel injector pulse.
Another thought is antitheft/security system, where applicable.

Mar 11, 2016 | Cars & Trucks

1 Answer

I have no injector impluse


no injector pulse - DodgeForum.com

dodgeforum.com/forum/2nd-gen-ram.../269362-no-injector-pulse.html
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Oct 23, 2015 | Dodge Cars & Trucks

1 Answer

My 98 ford explorer wont start its turning over and getting spark and fuel


OK IF YOUR YOUR SURE YOU HAVE SPARK AND FUEL THEN THE PROBLEM IS AIR OR COMPRESSION I WOULD THINK COMPRESSION DO A QUICK COMPRESSION TEST AND I THINK YOU WILL FIND THE PROBLEM IS A BROKEN TIMING CHAIN ONE OTHER POSSIBILITY IS A PLUGGED CATALYST BUT FOR BOTH BANKS TO BE PLUGGED TO THE POINT IT WILL NOT START IS VERY RARE GOOD LUCK (WHEN YOU SAY YOU HAVE FUEL DO YOU MEAN THE FUEL PRESSURE IS GOOD AND YOU HAVE INJECTOR PULSE OR JUST THAT YOU HAVE GOOD PRESSURE THE INJECTORS MUST PULSE AND HAVE AROUND 45 TO 60 PSI (RULE OF THUMB) FOR IT TO START ) USE A NOID LIGHT TO TEST INJECTOR PULSE OR IF NOT AVILABE SUBSTIUTE A 194 BULB AND BEND THE WIRE TABS FROM THE BULB DOWN AND PLUG THEM INTO THE INJECTOR HARNESS (NOT RECOMMENDED FOR ASIAN OR EUROPEAN CARS ) THIS LIGHT WILL BLINK WHEN CRANKING OR RUNNING IF YOU HAVE INJECTOR PULSE

Nov 15, 2013 | 1998 Ford Explorer

1 Answer

No start had checked cannot find a prblem is it the key


first determine if there is spark and injector pulse, then check fuel pressure and perform a fuel pressure drop test to see if injectors are flowing.i have not seen a 98 chry. T&C that has a coded key.also does the engine crank over and at least 550 rpm ? hope this helps. give me a shout back

Nov 12, 2009 | 1998 Chrysler Town & Country

1 Answer

Will not start, ether in the injectors turns it over


CHECK FUEL PRESSURE AND INJECTOR PULSE, IF YOU HAVE A NOID LIGHT. THERE IS A FUEL PRESS TEST PORT ON THE FUEL RAIL. KEY ON ENG OFF PRESS 35-45 PSI IF ITS A V 8 ENG 50-60 IF ITS A STRAIGHT 6. TO CHECK INJECTOR PULSE DISCONNECT THE EASIEST INJECTOR AND PUT THE NOID LIGHT IN THE CONNECTOR AND TURN THE ENG. OVER IF IT FLASHES YOU HAVE INJ PULSE. START THERE AND SEE WHAT YOU GET.

Aug 04, 2009 | 1992 Ford F150 SuperCab

1 Answer

Isuzu trooper starts briefly then dies


check your fuel delivery from the pump to the "dry" pulsing injectors leave the crank sensor alone! open the intake and, spray either (engine start) into the engine then attempt to start; it should start and, run until the either is used up then die. most likely your fuel filters are clogged

Aug 02, 2009 | 1992 Isuzu Trooper

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