Question about 2004 Jeep Grand Cherokee

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How to set timming of cherokee 2004 cherokee engine

I incounter a dismantled 6 cylinder fuel injected cherokee engine the owner want to rebuild it, i am asking aquick help how how to set the timming

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  • Master
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Hi Leonciomanal,
This is not a quick answer type of question. Do you have a timing light? If not, then you'll need to get one. If you have one, connect it to the number 1 spark plug and aim the light at the timing mark on the flywheel of the timing belt. Loosen the distributor cap and turn it slowly to adjust the timing as necessary.

Hope this helps. Please rate this response
Randy

Posted on Nov 02, 2012

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  • Jeep Master
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Ignition timing is controlled by the pcm.if ignition timing off either you have pcm problems or timing chain slipped time.

Posted on Nov 02, 2012

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SOURCE: 2001 Jeep Cherokee with 6 cylinder engine -- PO306 code cylinder

Plug, plug wire, plugged or open fuel injector. are the most likely.

Posted on Sep 28, 2009

arauzvictor1
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SOURCE: 1999 jeep cherokee 6 cylinder engine light

P0303 Cylinder 3 mis-fire Possible causes misfire does not return,defective Camshaft Position (cmp)or CKP sensor,vacuum leak,defective ignition system.

Posted on Dec 12, 2009

andy233
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SOURCE: 98 grand cherokee cyliner 1 misfire,, HELP ..

it has cap not coil pack , you try decarb might get lucky any ticking ? next is leak down on the cylinder and determine weather rings or valves how many miles wheat are the engine codes now check and the plug again , did it have misfire on the same cylinder before you worked on it adn after you worked on it. What is running compression. all these answers are to answered some you can do some will need more tools.

Posted on Jan 03, 2010

Testimonial: "whats decarb.. ??? and whats leak test on the cylinder ? please help ..."

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SOURCE: i have a 2004 jeep Cherokee 6 cylinder with the

EVAP canister is located behind the left-rear wheel. It is attached to a two-piece support bracket

Posted on Feb 25, 2010

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1 Answer

Engine type


There are several engine types

1. 3 cylinder
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3. Horizontally opposed 4 cylinder
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You can find all these engines in various vehicles produced in the last 20 year whether they be gas, diesel, carburated, fuel injected, super charged, or turbo charged.

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Ask where is asd fuse located on 90 jeep cherkoee


old post and is key question on old jeeps
no engine stated. guess 4L
the ASD began 1990 to present.
the ANSWER IS BELOW.
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  • 1986 - Renix TBI available on Jeep 2.5 L four-cylinder engines.
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04 grand cherokee died while driving, will not start, no check engine light?


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My Cherokee Laredo V6 engine have 1 cylinder not firing, checked the voltage of the wires connected to the injector and one is under voltage while the rest have the same voltage. changed the spark plug but...


The only V6 engine I could find in a Cherokee was in the mid 1980s and it was carb not fuel injected. The 4.0 straight 6 engines that were fuel injected used the same black wire for all 6 injectors to power them. Each injector has a different ground wire from the computer.
The injector in question should have the same input voltage as the others and then a ground signal on the other side when the computer commands it to open. All 6 injectors should also have the same resistance when the harness is unplugged.

Jan 08, 2013 | Jeep Grand Cherokee Cars & Trucks

2 Answers

2004 trailblazer code po306 and we changed out plugs, coil and still po306


Diagnostic Test Code (DTC) P0306 is defined by SAE J2012 (REV, DEC 2007) as "Cylinder 6 Misfire Detected".

To put it plain and simple, there is a problem with cylinder #6 in your engine that is causing it to misfire.

Misfires can be caused by several things. One of the things that must be understood is that a misfire is simply one or more cylinders that are not producing the power that they should. - especially when compared to other cylinders in the same engine.
The things that can cause this include, but are not limited to:
> Ignition system
> Fuel delivery system
> Fuel injection system
> Cylinder compression (which can be affected by many of the things below)
> blown head gasket
> Burned or bent valves
> Vacuum leaks
> Faulty wiring
> cracked piston or broken piston rings
> Restricted exhaust
> malfunctioning Powertrain/Engine Control Module (PCM or ECM)


To fix the code, you must first diagnose to determine which of these things is causing the misfire, then repair accordingly.

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Installed a rebuilt cylinder head set timming to all data and mitchells timming book wont start blowing back threw intake


Sounds like your timing is out 180 degrees. Recheck by making sure #1 piston is on the compression stroke, then retime.

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Does V6 Cherokee Larado have a timing chain or belt?


First off, if you have a 2004 Grand Cherokee with the 4.0 liter 6 cylinder engine, then it is an inline 6 rather than a V-6. To answer your question, it has a timing chain.

Dec 14, 2009 | 2004 Jeep Grand Cherokee

1 Answer

2001 Jeep Cherokee with 6 cylinder engine -- PO306 code cylinder


Plug, plug wire, plugged or open fuel injector. are the most likely.

Sep 28, 2009 | 2001 Jeep Grand Cherokee

1 Answer

2004 Jeep G Cherokee diagnostic code open injector


It could be a faulty pcm or wiring as you stated in you post. the pcm pulses a ground to the injector circuit allowing the solenoid in the injector to activate momentarily are inject fuel into the intake. if you give me the engine size. V8 4.7L or strait 6 cylinder 4.0L and i will post the proper wiring diagram for the fuel injectors to help you out with your battle

Jan 09, 2009 | 2004 Jeep Grand Cherokee

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