Question about Dodge Cars & Trucks
On my 1996 doge caravan after two fuel pumps and one filter no fuel pressure. Ive looked evry where for the regulator i see what looks like one on the pump. Is that it ontop the pump in photo. If not where is it?? Not on the end of thw rail ive looked numoruse times. Also tje pump runs when you cycle the key. If you cycle the key a few times it stops runing and the van sputers like its fireing then quits. Repeat cycle three times and same thing any help will be great thank you.
That the sending unit on top of pump. Fuel pressure regulaters are on the fuel log witch is generally on top of engine at one end of the log or other with a vacuum line attached to it. There is also a fuel pump relay in the relay panel on passenger side on wheel well under hood. Pressure regulator bad or vacu leak.
Posted on Nov 08, 2014
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Posted on Jan 02, 2017
SOURCE: hard start
Its your fuel pump.I had the same plomblem not too long ago.I was spraying either in to start it.I have a 97 chevy truck witch requires 65 psi to start and 55 to run properly.You need to find out much psi you need to start it.You can probaly look in your manual or just make a few calls.My truck had 55 psi and it ran fine i just had to get it running first.Good luck.I wonder if that fuel pressure regulator was a waste of time like it was for me.
Posted on Nov 25, 2008
You need to do a fuel pressure check.. You will need a special fuel gauge and the appropriate fittings and adapters are needed to properly test the fuel pressure.
1. Relieve the fuel pressure.
Remove the fuel pump relay form the Power Distribution Center (PDC) Start the engine and run until it stalls. attempt restating the engine until it will no longer run. Turn the ignition key off. Disconnect the cable from the negative battery terminal. Replace the fuel pump relay in the PDC. Any if you get any trouble codes at this time you will need to see a shop to have them cleared.
2. Disconnect the quick-connect fuel line fitting fuel gauge into the fuel line using the appropriate T-fitting and adapters.
3. Start the engine and check the pressure on the gauge, your reading should be 49 PSI with the pressure with the engine idling.
4. if the fuel pressure is not 49 PSI:
1) if fuel pressure is higher you could have a pinched of clogged fuel return hose of pipe. if the line is not obstructed check the fuel pressure regulator.
2) if fuel pressure is lower check the fuel filter, look for a pinched of clogged fuel hose between the tank and the fuel rail. check the pressure regulator for malfunctions. Look for leaks in the fuel line.
Hope this helps.
Posted on Jan 16, 2009
SOURCE: 1996 astro van stopped running
Sounds like dirty gas and the fuel filter is clogged...try changing the fuel filter...some are under the car, but most are mounted against the firewall in the engine compartment.
Posted on Apr 19, 2009
Dear Ron, you have replaced fuel pump and fuel filter. You have checked the fuel pump relay. Still no fuel in rail. Try bypassing fuel relay with jumper from batt to fuel pump. If o/k then check computer for ground to relay. This system uses a relay that is operated by the computer that supplies a ground for the relay to operate. The wire color is green,16 gage. If the ground is not available then "no fuel" Check this with a test light. Key on and crank apply test light to ground wire and other end of light to ground. You should hear relay click and get fuel. If this checks out you will need to replace computer or get creative with rewiring the relay so it works without computer input. Good luck Moe
Posted on Apr 24, 2009
SOURCE: 1999 GMC Suburban Wont Turn Over
It sounds like you have a security problem, I had the same thing it would fire and run for half of a second and then that was it if anything at all. Had the security system rebooted, now it starts and runs fine.
Posted on Jun 30, 2009
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