Question about 1994 Jeep Grand Cherokee

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1994 jeep cherokee laredo no spark after shutting offf at home. Been starting slower and missing the first few minutes before settleing out and runs smoother in the morning. Oil i sold though is the o

150,000 miles always maintained properly on time. Only owner!

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  • Jeep Master
  • 5,280 Answers

No spark can be caused by a bad crank position sensor, or a bad pick-up coil inside the distributor, especially if you can't find a signal to the coil with key on. You could also test the coil, or try a known good one. There is a test procedure for the crank position sensor, but you'd have to locate a repair manual for it. I think it's just running a resistance test across two terminals of the sensor harness connector with an ohmmeter. My son's Jeep had a bad pick-up coil that shut it down, and no spark.
Once you get it running, and if still hard starting, check the fuel pressure.

Posted on Dec 09, 2012

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Posted on Jan 02, 2017

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SOURCE: 93 Jeep Grand Cherokee Laredo

Could be a sensor.I'm thinking more along the lines of a fuel pump or fuel filter.If the fuel pump is going bad..similar symptoms.Would be advisable to install a pressure gauge at the engine,and check fuel pressure when it's acting up.

Posted on Jul 14, 2008

  • 118 Answers

SOURCE: How can I reset my Factory Alarm on my Jeep it wont run

Alarm Module Reset Procedure
NOTE: This information applies to a Vehicle Theft Security System (VTSS) that was armed when the battery was disconnected and reconnected.
When the armed VTSS senses that the battery has been disconnected and reconnected, it enters its power-up mode. In the power-up mode the alarm system remains armed following a battery failure or disconnect. If the VTSS was armed prior to a battery disconnect or failure, the system will have to be actively or passively disarmed following a battery reconnection.
The power-up mode will also apply if the battery goes dead while the system is armed and battery jump-starting is attempted. The engine no-run feature will prevent the engine from starting until the alarm system has been actively or passively disarmed.
Passive disarming of the Vehicle Theft Security System (VTSS) occurs when the vehicle is unlocked using the key to unlock either front door or the lift gate. Active disarming of the VTSS occurs when the vehicle is unlocked by depressing the Unlock button of the Remote Keyless Entry (RKE) transmitter.
Once the alarm has been activated (horn sounding, lights flashing, and the engine no-run feature), either disarming method will deactivate the alarm.
Depressing the Panic button (if equipped) on the RKE transmitter will also disarm the VTSS, but the horn will sound and the lights will flash for about three minutes as part of the Panic feature. The horn and lights can be stopped by pressing any of the RKE transmitter's buttons or driving the vehicle above 15 mph.

Posted on Jan 28, 2009

  • 6982 Answers

SOURCE: 1993 JEEP GRAND CHEROKEE LAREDO- TRUCK WONT

OK...I have a 93 outside...one diagram I have shows an ignition module next to coil...but there is none on mine, (4.0 engine)
Two items to check are crank sensor and cam sensor inside distributor. Test procedure can be found in just about any manual including haynes.
You will need a decent volt/ohm meter to do testing. You can also check codes by turning ignition switch on/off three times, leaving it on the third time. Check engine will flash code #'s (ex: one flash, pause two flashes= the number twelve.then followed by a longer pause then another set of flashes etc.)

Posted on Mar 05, 2009

  • 6982 Answers

SOURCE: Oil light comes on intermittently

Replace oil sending unit (usually somewhere near oil filter) Add a pint of marvel oil to help clean passageways. Make sure wire on sender is not grounding anywhere.

Posted on Mar 11, 2009

  • 3600 Answers

SOURCE: Jeep Grand Cherokee Laredo Turbo Diesel: Turbo shuts off

your not getting oil to the turbo this is a serious condtion do not drive till you find the problem.

Posted on Jun 20, 2009

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My friend has A Grand Cherokee Laredo 1994, 4 liters. His Jeep start and run well. He goes in town and when it is time to re-start his Jeep...the motor turns but does'nt start. If my friend wait 4 to 5...


Next time it don't start I would check to see if it has spark. If it don't have spark there is 3 components i would check #1 Crank sensor #2 cam sensor or pickup coil #3 coil I have a feeling one of these items could be your problem. Good luck

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Apr 23, 2010 | 1994 Jeep Grand Cherokee

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1994 jeep grand cherokee laredo starting problems


Check to see if the fuel pump is running after it shuts down...could be a relay or the pump itself (overheating internally) Checked the fuel filter yet? Some crank sensors need to be shimmed. If it's too close to the flywheel even though you recently changed it, if it's too close to the wheel it can fail again. May not be the case but worth checking over. Also check the ceramic resistor on the left fender near the master cylinder if you have one. That too can cause problems.

Dec 27, 2009 | 1994 Jeep Grand Cherokee

1 Answer

My 94 jeep cherokee started ran for a minute or 2 and stopped


i would suggest checking to see if you are getting fuel by disconnecting the fuel line at the fuel rail and turn key if no fuel then its either fuel pump or fuel filter. if you get fuel then it would be the spark

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Back up a minute...Do you have spark from the coil wire? (juice from coil) If so, change or check rotor and cap (wires do not all go bad at same time so unless they are wet, likely at least good enough to start engine)

Mar 05, 2009 | 1993 Jeep Grand Cherokee

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