Question about 2006 Jeep Grand Cherokee

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Problem with 2006 jeep grand cherokee

When key is turned to on fuel gauge reads correctly. When engine is started, the fuel gauge goes to the full or even overfull position.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1988 JEEP GRAND WAGONEER GAS GAUGE READS OVER FULL

The ground has corroded off the sending unit.You can access this by drilling out the rivits in the access panel under rear seat on drivers side.

Posted on Nov 09, 2008

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SOURCE: Starting Problem with 1994 Jeep Grand Cherokee

Assuming I understand your problem correctly, it sounds as if the car will only start once the check engine light comes on.  The check engine light is controlled by the PCM (powertrain control module; or computer) which is also responsible for basically all engine operations including fuel delivery, ignition, emissions, and so on.  If this light is not coming on, it means that the computer is not getting power.  If the computer is not getting power then it won't start.  The fact that you hear the relays click on when the light comes on is another indicator the the computer is not getting power as it also supplies power to the ASD (Automatic Shutdown Relay) which in turn supplies the power to the fuel and ignition systems.  Check the ASD relay located in the power distribution center, if it is the same relay number as another un-important system, then swap it out to see if that helps.  Make sure the plugs going into the computer are tight.  The delay in the power going to the PCM sounds like a stuck relay, have someone tap the relays when the light is off to see if comes on.  It is also possible that the PCM itself is failing.

Posted on Dec 16, 2008

  • 13 Answers

SOURCE: 1993 Jeep Grand Cherokee gas gauge reads empty but tank is full.

Fuel level sending units are known to go bad on these.

Posted on Jun 22, 2009

ZJLimited
  • 17970 Answers

SOURCE: 1993 Jeep Grand Cherokee Fuel Gauge not working

There could be two problems here:
1. That buoy floating tank is not working properly
2. That the electrical system that fails to submit the dashboard.

Review this information:
- ZJ-Secc-8E-Instrument-Cluster-and-Gauges
Page 2 - Fuel Gauges description
Page 4 - Voltimeter/Tachometer/Fuel Gauge/Low Fuel Inoperative
Page 10 - Specifications
- ZJ-Secc-14-Fuel-System
About Fuel Tank components
- ZJ-Secc-8W-Wiring-Diagrams
Fuel Tank and Gauge & Sensor Units Sending (Page 93 and next)

Good luck... and remember rated this help.

Posted on Aug 14, 2009

  • 101 Answers

SOURCE: 2002 Jeep Grand Cherokee 4.0L oil pressure gauge reading too high

if the gauge starts a 0 - goes to 1/2 , than full - sounds like gauge is OK - seems to me like the sending unit is bad - you could try removing the sender and trying to clean out the port with "brake clean", letting it dry than re-installing it. the pressure switch is still the least expensive place to start

Posted on Oct 27, 2009

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01 Jeep grand Cherokee I have crank but no start no gauges no power at fuel pump. All fuses good under dash & hood . Turn key to on, 1st warning light low fuel. 2nd key w/ line 3rd check engine help


you used voltmeter at the pump?> or just didnt here it run
do say this...please. details, matter....
it told you low fuel is it? is the fuel gauge near "E"
why not state that first.?
dead gauges, be 1st right, smacks of gross power loss.
right>? not clear to me what no gauges means.
but the voltmeter is #1 no?

did you tests fuse that look ok. fuse that look ok can be bad.
no gauges, means all dead, no movement,
well the fuel gauge must work , does it, does it match reality?
cranks but never runs. good input there.

does not run for the jeep 3 seconds.? (ASD rules)
no 12vdc power to pump, when cranking,?
01 grand WJ jeep usa.
is the skim lamp off, the cluster lamp for SKIM security is first.
it must go out after key turn on, or it will never run, ever.
I can help.
WJ jeep
this jeep has a voltage gauge, it must read 12v keyon
if not power is lost, or battery low.
if cranks that tells me the fues blew.
skim cuts spark and fuel, not cranking btw.
2002 cluster
http://jeepdied.com/cluster2002GC.JPG
see that lamp 12, if stuck on car will never start but will crank.
the lamp falses if skim is not working or stays on for ******* key.
we SCAN ALL CARS NOW.
IF You can not scan a modern jeep then it can near impossible to diagnose (a hard cold fact)
IF the ASD fails to work, the PCM tells you every time
all 8 ways for it to fail.
but that takes a scan tool (any modern scanner works,)

http://jeepdied.com/no-start.html

Jan 26, 2017 | 2001 Jeep Grand Cherokee

1 Answer

2003 grand Cherokee cranks over and will not start. Changed the cps already. The fuel gauge reads empty, empty light comes on and circle with key and line threw it is on dash board. When it does start...


You will have to check each connector on the PCM for moisture and the wires for shaving. Fuel quantity info comes from the PCM via the PCI data bus. Moisture in one of the connectors could short the data bus out and the engine will not start and indicators go to zero.

Sep 21, 2013 | 2003 Jeep Grand Cherokee

1 Answer

2006 Grand Cherokee won't start. Appears to not get fuel in cylinders. Will run on ether, opened fuel line and pump seems to be working, no fuel pressure check point so I can't use my gauge. Plugs are...


check make sure plugs sparking which is controlled by coil packs which could be faulty, very unlikely all injectors or coil packs faulty, start at basics check all fuses and engine ecm works injectors and only once car immobilizer has told engine ecm that key ok.

May 01, 2011 | 2006 Jeep Grand Cherokee

1 Answer

I have a 1996 Grand Cherokee Jeep Truck I just purchased and the gas gauge is not working it's on empty even when fill it up!


Check the Fuel Sending Unit in the fuel pump. Disconnect the wire to the sending unit, at the tank, and ground it to the car frame. Turn the key to on and see if the fuel gauge goes to Full. If it does the gauge and wire are good and the problem is in the sending unit. If it's still on E the gauge is bad or the wire is open.

Keep us updated.

Mar 09, 2011 | 1996 Jeep Grand Cherokee

1 Answer

Changed oil in my jeep grand cherokee 1999 v6,and noticed the oil pressure gage is now setting at 80psi,and the filter is correct.


Not sure about your car, but alot of times the oil gauge sending unit is kinda close to the oil filter, and maybe during the oil change the wire connection was removed or damaged. Turn the key on and engine off ,and if the gauge reads 80psi then the sneding unit might be the problem

Mar 02, 2011 | 1999 Jeep Grand Cherokee

2 Answers

2002 Jeep Grand Cherokee 4.0L oil pressure gauge reading too high


if the gauge starts a 0 - goes to 1/2 , than full - sounds like gauge is OK - seems to me like the sending unit is bad - you could try removing the sender and trying to clean out the port with "brake clean", letting it dry than re-installing it. the pressure switch is still the least expensive place to start

Oct 27, 2009 | 2002 Jeep Grand Cherokee

2 Answers

2002 JEEP OIL PRESSURE GOES HALF WAY WHEN KEY IS TURNED ON AND TO HIGH WHEN STARTED


this is normal, as when you start the engine the oil pump starts to work and increases pressure. all is good

Oct 17, 2009 | 2002 Jeep Grand Cherokee

1 Answer

1993 Jeep Grand Cherokee gas gauge reads empty but tank is full.


Fuel level sending units are known to go bad on these.

Jun 13, 2009 | 1999 Jeep Grand Cherokee

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