Question about Dodge Ram 1500

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2002 dodge ram 1500 4x4 4.7l Turns over but won't start put gas in the throttle body an it will start but shut right off getting gas to fuel rail An power to the injectors

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  • Master
  • 372 Answers

It doesnt sound like you have sufficient fuel pressure can you hear the pump run? if so might be a pressure issue, if not probably pump

Posted on Apr 12, 2015

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  • Dodge Master
  • 5,341 Answers

I agree with Russell. You've already narrowed it down to a fuel problem. Go the last distance and check the fuel pressure. If pressure is good, use a "noid light" tester to check the whole injector circuit. Just plug it in to an injector connector. If the computer is grounding the circuit, the noid light will be blinking as you crank the engine over. Every time it blinks, the computer would be pulsing the injector by grounding the circuit.

Another way to check injector ground circuit, without a noid light, is to take a test light with a needle probe, just your average test light. And clip the test light lead to the POSITIVE battery post, then stick the probe end of tester into the ground side of the injector connector. Now have someone crank the engine over. If computer is grounding the circuit, the test light will be blinking.

One last, unfortunately. Make sure your security system is not alarmed.

Posted on Apr 12, 2015

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SOURCE: 92 Camaro injectors wont squirt gas

throttle positioning senscor

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roniecon
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SOURCE: 2000 jeep wrangler just shut off changed fuel pump

check foe fuel pump presure at fuel rail,,,if u have fuel pump presure check all fuses with a test light not buy sight,,could be deceviving ,look at and check to see if fuel pump relay is working if no fuel presure i,if u have presure in fuel rail ,replace the cranck shaft sensor

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SOURCE: 87 F150 wont start. New fuel pump, rail,

try changing the igniton module on the distribuitor in most cases it's the problem if you dont want to buy it you can take the ignition module to a autozone and they will check it for free

Posted on Sep 19, 2009

redds55
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SOURCE: I have a 1997 Chevy Tahoe 4 door V8 5.7 liter

What is your fuel pressure with key on engine off? On these fuel systems if you do not have at least 52 psi or poppet valve inside the injector will not open allowing fuel thru.Let me know what it is i will try to help you.

Posted on Apr 16, 2011

dj_relly999
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SOURCE: 2004 dodge ram hemi: I get the throttle body

Hello and welcome to FixYa!
When you are hitting the rail road tracks, the connectors on the throttle body may have been moving. As a first course of action, I strongly suggest that you secure the connectors, be sure that they are properly inserted to lock.
You may need to secure the air cleaner too, make sure that it's not moving. Be sure that there's nothing hitting the wirings as well that can cause the car's sensor to move. These are common issues when the sensor connectors are being moved.
Hope this helps and thank you for using FixYa! Have a good one!

Posted on May 08, 2011

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2 Answers

My 2004 dodge ram won't start.It turns over but won't start.Fuel pump fuse is good.I poured a little gas in the throttle body and it will run for a few seconds and shuts off.


Sounds like the fuel pump is bad. Take the gas cap off and have someone turn the key to on position while you listen at fill neck. You should hear the pump hum if it is working. No hum bad fuel pump

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check foe fuel pump presure at fuel rail,,,if u have fuel pump presure check all fuses with a test light not buy sight,,could be deceviving ,look at and check to see if fuel pump relay is working if no fuel presure i,if u have presure in fuel rail ,replace the cranck shaft sensor

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2002 Dodge Ram 1500 4.7L will not stay on


sounds like a fuel problem. listen near your fuel tank for the fuel pump buzz or whirring sound while someone turns on the the key. no sound no fuel no start. does not necessarily mean the fuel pump is bad, maybe just no power.

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If you remove air intake hose at throttle body, and spray WD-40 in throttle body , and it starts, you have a fuel problem. WD-40 works like quick start spray, only a little easier on the engine.

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