Question about 1994 Jeep Grand Cherokee

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My 1994 Jeep Grand Cherokee has a no start problem. I have tested the fuel pump and it is fine. However, there is no fuel pressure at the fuel rail.

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If pump is running, then two other places to look are the fuel filter and regulator. GC of that year may either have regulator on fuel rail and filter in line near l/r wheel, or both as one unit on the tank on top of the sending unit.

Posted on Jul 14, 2009

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I have a 97 grand cherokee larado and when I shut it off it won't start back up for a few mins..then it fires up...is there a kill switch on it or something else wrong possibly


No kill switch. You may have a fuel pump pressure issue, it may being losing pressure after shut down due to a faulty fuel pump check valve. Do a fuel pressure leakdown test, start the engine with a fuel pressure test gage hooked to the test port on the fuel supply rail to the fuel injectors, looks like a tire valve. Start the engine and run it and check for leaks at the pressure port to the test gage, repair as needed, once you are sure the test gage is leak free shut the engine down, if the fuel pressure bleeds down very quickly then you need to replace the fuel pump.

Apr 12, 2017 | 1997 Jeep Grand Cherokee

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2004 Jeep Grand Cherokee 4.0 wont go over 25 mph. There are no fault codes.


First eliminate the fuel flow, replace the fuel filter. It starts and runs, pump is OK. Then I would go back to the exhaust. Remove an O2 sensor before the catalytic converter. One is fine. It will be louder. If it runs better at picks up speed, then the cats are clogging up.

Dec 21, 2014 | 2004 Jeep Grand Cherokee

1 Answer

Jeep grand cherokee takes a long time to start. cranks but no ignition


have a fuel pressure test done on the fuel manifold to check for pump--regulator and filter problems.

Jan 11, 2014 | 1994 Jeep Grand Cherokee

2 Answers

My 1995 grand cherokee takes a lot to start. turns over fine, but won't fire. checked fuel rail, no pressure. after trying 15 times or so, it will start and run just fine. starts right back up unl


Your Jeep has what's known as the delayed start, no check engine light problem. The Jeep will not start until the check engine light comes on, on the dashboard. Next time it cranks but will not start, look at the dashboard to see if the check engine light is illuminated. If it's not lit up, then your Jeep does have that problem and your Jeep ecu is in need of repair or replacement. There are components inside the ecu that are going bad and will continue to get worse, eventually leading to a permanent no start condition. There are ecu repair services and replacement ecus on ebay.

Jan 17, 2013 | 1995 Jeep Grand Cherokee

1 Answer

Hard starting


Do a fuel pressure leak down test, the test port is located on the fuel rail that supplies fuel to the injectors on the top of the engine, the pressure should not drop more than 5 PSI after the engine is shut down, make sure the fuel gauge (special tool) is not leaking at the schrader port connection. If the fuel pressure leaks down right away you need to replace the fuel pump inside the fuel tank, it has a defective pressure check valve. I understand you can buy a universal test gauge from most parts stores for about $20.00 that hooks up to the above mentioned test port.

Oct 10, 2012 | 1994 Jeep Grand Cherokee

1 Answer

1994 grand cherokee gives me a hard time starting in the morning no feul in rail ill crank and crank then ill hear the pump turn on and shell start up no drive problems it drive fine only when i try to...


Fuel pump is bleeding back so it isn't holding pressure in the lines. So when it sits long enough it is hard to start. Try turning the key on and then off wait 15 secs or so and turn key on and then off again do this one more time and see if starts. If so then you will need to replace the fuel pump in the tank soon.

Nov 05, 2009 | 1994 Jeep Grand Cherokee

1 Answer

No start new fuel pump,fuel pressure regulator,plugs and wires,no fuel in fuel rail.and repaired all vacume hoses, when repaired all vacume hoses auto started then idle slowed dowm then shut off. hasen't...


Check the fuel injecters for leaking. close off the return line and see if u have a pressure drop in the rail. If you do u have a leaking injecter.

Jul 13, 2009 | 1994 Jeep Grand Cherokee

1 Answer

Jeep grand cherokee slow to start


THE THINGS YOU MENTIONED WON'T AFFECT CRANK SPEED. YOU'RE BATTERY IS PROBABLY ON THE WAY OUT THE DOOR. LOOK FOR CORROSION AND LEAKING BATTERYLIKE AROUND TERMINALS AND POSTS. BATTERY IS PROBABLY LOW ON CCA'S. NOW IF TALKING ABOUT WON'T START AND TAKES LONG CRANK TIMES IT CAN BE FUEL PUMP LOSING PRESSURE IN FUEL RAIL OR LACK OF FUEL PRESSURE CONSIDERING WHAT YOU MENTIONED. EVAP SOLENOID WILL USUALY SET A CHECK ENGINE LIGHT AND WONT AFFECT STARTING USUALLY UNLESS YOU HAVE A HUGE VACUUM LEAK

Jul 13, 2009 | 1997 Jeep Grand Cherokee

1 Answer

Jeep grand cherokee 95 fuel pump takes long time to start ,


First install a fuel pressure tester on the fuel rail and check the pressure during crank. It should be about 30 psi.If the pressure is not good then it could be a bad fuel pump relay or fuel pump itself (in the tank).
If the fuel pump pressure is good then you could have a bad crank sensor.

Nov 20, 2008 | 1995 Jeep Grand Cherokee

1 Answer

My jeep won't start right away ?


Check body and dash grounds. Pressure test injector rail. You may have either a partially plugged fuel filter or low capacity pump.

Oct 23, 2008 | 1994 Jeep Grand Cherokee

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