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Unread 10-13-2013, 11:44 AM   #1
Thomahawk
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Just made a steal of a deal on this 94 ZJ 4.0 laredo for cheap, as a Winter DD/beater it does not start due to ignition problems.
If, sorry <correction>WHEN, i can Get it running this can be my Winter beater ZJ while i keep hunting for a perfect condition low milage 04HO.

Shows code 11, Crank Position Sensor, so i guess i will start there. Already got a used CPS out of my friends ZJ, so i can test this tomorow.

Also got a parts Jeep with the deal, plan for this is that my friend need the engine.
The rest we part out and off to the wrecker it goes, its strongly attacked from rust, but engine, trans, axles, and interior Are Good.

More to come, next step will be to Get it started.

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image-3758607540.jpg

image-2644372919.jpg

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2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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Unread 10-13-2013, 02:57 PM   #2
Thomahawk
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The blue parts Jeep have Nice wheels and leather seats that i deff Are going to swap over into my white one, mine smells like wet dog, cant wait to Get rid of Those seats, lol

It deff need some TLC

Cool story, Jeep Been in Zambia Africa for several years, PO brought it there, Kept it for many years, and even brought it back to Norway again, HA
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2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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Unread 10-13-2013, 06:19 PM   #3
McCloudsZJ
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Very nice.

Sent from my iPhone 6 using JeepForum
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March 2014 GCOTM. 1998 Deep Slate 5.9
On the Jeep:Hot intake, 52mm TB, Summit 8mm wires, catch can, 703s, insulated fuel rails, indexed Champions, Bilstein 4600s, Eibach lowering springs, Moog SS, Ironman mounts, Lotek 2GP, lots of gauges, sparkly paint.
In the garage: M1 4bbl
In the works: Addco/Hellwig sway bars, nitrous, full polly bushings, full exhaust, data logging, billet UD pulleys
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Unread 10-14-2013, 05:47 AM   #4
Thomahawk
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Changed CPS today, now it runs but will not idle, one step further, any ideas Are welcome.

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2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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Unread 10-14-2013, 07:45 AM   #5
WhiteOut
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Pull the IAC and clean it and the socket where it mounts on the TB. Do not push the pintle in or out, this will ruin it.
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Unread 10-14-2013, 09:31 AM   #6
Thomahawk
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Got it running after CPS replacement, still wont idle, checked distributor and rotor, filled it up with some fresh gas, replaced battery, cleaned IAC andcTB, suspect That one or two spark plug wires Are bad, and/or old fuel, and/or need a real TB clean.

PO put Denso spark plugs in it, should i replace them to Champions?

TB is clean as H though,
image-1065421268.jpg

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2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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Unread 10-14-2013, 09:37 AM   #7
WhiteOut
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Yep, swap them to Champion coppers. No need for anything else.
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Unread 10-14-2013, 12:39 PM   #8
Thomahawk
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No dice yet, If i keep it running with the Throttle and disconect the TPS it will idle, but once i feather the gas it will not idle any ideas???

IAC or TPS?
Or the aftermarket CPS?
Or maybe cam sensor?
Still have code 12 and 55
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2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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Unread 10-14-2013, 02:38 PM   #9
Thomahawk
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Quote:
Originally Posted by Oldfrog
Personally, I would trash the aftermarket crank sensor and install a Mopar sensor, if for no other reason, to eliminate it from the equation.

Just for grins, check the voltage across the outside connector terminals on the TPS harness with the key ON, but the engine OFF. It should read 5 VDC.
I might Go with a Mopar CPS, but the TPS reads 265mV, might be bad TPS right?
Can try with another used TPS tomorow,

Anyone, all help highly apriciated.
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2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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Unread 10-14-2013, 04:42 PM   #10
Thomahawk
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Today sumaryum y:

Checked out from list.
-battery
-distributor/rotor
-plug wires
-checked plugs, gap and quite clean
-checked That Denso plugs was the correct number for replaceing OEM Champions
-bad fuel, new fuel and STP injection cleaner
-fuse/ASD fuse
-cleaned IAC and TB
-checked Airfilter, Brand new
-CPS maybe Good, (aftermarket)

Next to check.
-test another TPS
-grounds
-downstream o2 sensor/wireing
-if still nogo MOPAR CPS!?!


Continues tomorow, any more info i should know, or things to check/eliminate, pls let ideas come.

Thx everyone, T
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2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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Unread 10-14-2013, 09:19 PM   #11
bananaslug
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Happy Hunting

http://www.jeepforum.com/forum/f13/1...talls-1407423/
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Unread 10-15-2013, 06:15 AM   #12
Thomahawk
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Top changed battery,
New terminals,
Cleaned/checked grounds,
Tested another TPS, IAC, MAP,
New cap and rotor,
New fuel filter,

Still same wont idle, ordered a Mopar CPS,
Will test That tomorow, phu
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image-3912610610.jpg

__________________
2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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Unread 10-15-2013, 09:56 AM   #13
Thomahawk
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Tried spare sensors from my another ZJ That was running before pulled apart, TPS, IAC, MAP, but still same, and readings Are within spec, thats why i am leaning back on the aftermarket CPS,,,?
Also read in haynes manuell That the CPS have to be insert to the correct depth, the original should come with a paper spacer for the install.

I was not able to push the CPS down, when i tightened the bolt, so it might not be seated 1000% in distance to the wheel inside, can this make it run, but to be off, how important is this??

Might re mount the CPS again later today if i find the time,
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2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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Unread 10-15-2013, 10:08 AM   #14
bananaslug
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Conventional wisdom on here is that only Mopar sensor should be used in general, with some exceptions, ESPECIALLY the crank sensor.

As far as the paper thing, mine never came with one. Also, I dont see how paper in the tranny is good. Also also, When it bolts in, I dont see how there is any room for it to be in any other place than where it bolts??

Just get the Mopar sensor and youll be fine.
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Unread 10-15-2013, 10:41 AM   #15
Thomahawk
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^^^The Hole and sleeve in the sensor is sligthly larger than the bolt, might be off 1-2mm maximum.

Idk what to do soon, thats why i just keep investigation/eliminating and asking,,,
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2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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