Question about 1990 Jeep Cherokee Limited

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I have a 1990 jeep cherokee and i need to know where the plugs go i found the firing order online but i don't know which numbers go to which plugs.

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If it is a v 6 ....the driver side ft.order is ft. to back is 1 3 5 and the passenger side ft. to back is 2 4 6 If it is in line 6 cyl. it should be 1 3 5 2 4 6 ......metalpoet

Posted on May 30, 2011

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1 Answer

Need a wiring diagram for spark plugs for a 1995 jeep Cherokee sport


V6 engine: firing order: 1 2 3 4 5 6, distributor rotates clockwise. Left bank of engine (driver's side), cylinders 2, 4, 6 (#2 at front of engine). Right bank: 1, 3, 5 (#1 at front of engine).
Inline 6 engine: firing order is 1-5-3-6-2-4. Distributor rotates clockwise.
The number one tower on the dist. cap should have a mark or numeral 1 on it. If not, turn crankshaft to top dead center of compression stroke on number one cylinder, the 0 degrees or "T" mark on the crank pulley pointer. If you are on the compression stroke (not the exhaust stroke), the rotor under the dist. cap will be pointing to the number one cylinder spark plug wire tower.

Mar 30, 2012 | 1995 Jeep Cherokee

1 Answer

How can i bypass the crank sensor on a 1990 jeep 6 cly?


Can't bypass it. It's what tells the ecu to fire each plug, exactly when needed.

Nov 29, 2011 | 1990 Jeep Cherokee Limited

2 Answers

Need to know or see a pic of 1996 jeep cherokee sport spark plug and wiring lay out wires all mixed up


1996 Jeep Cherokee 4.0 liter L6 VIN "S"

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1996 Jeep Cherokee 2.5 liter L4 VIN "P"

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Hope helps (remember to rate this answer)..

May 11, 2011 | 1996 Jeep Cherokee Sport

1 Answer

1990 jeep cherokee laredo firing order an diagram


Please pick the appropriate one:

1990 Jeep Cherokee
2.5 liter L4


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1990 Jeep Cherokee
4.0 liter L6


c17hydro_98.gif

Jan 19, 2011 | 1990 Jeep Cherokee Limited

1 Answer

I need to know the firing order of my 1995 limited jeep grand cherokeemy spark plug wires are missing i have new wires i just don't know the firing order


For the 1995 Jeep Grand Cherokee:
I do not know if you have the 4.0L In-Line (Straight) 6-Cylinder or the 5.2L V8; however I have included bothe below.

For the 4.0L In-Line 6-Cylinder:
Firing Order:
1-5-3-6-2-4
Cylinders:
(back)
|..6..|
|..5..|
|..4..|
|..3..|
|..2..|
|..1..|
(front)
Distributor:
...(back)
....5...3.(+)-screw
1...........6
(+)4...2
...(front)

For the 5.2L V8:
Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
.......(back)......
|..8..|........|..7..|
|..6..|........|..5..|
|..4..|........|..3..|
|..2..|........|..1..|
.......(front)
Distributor:
.......(back)
.........3
...4.........6
8...............5
...1.........7
.........2
.......(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

May 21, 2010 | 1995 Jeep Grand Cherokee

2 Answers

I took off all the sprak plug wires and i don't


What engine? Why wouldn't you use a pen or sharpy to mark the wires with the cylinder number as you removed them. Next time make a schetch of the dist cap and put numbers on it. If you do not know the firing order make you own number system till you get that info. Of coarse do it before you remove stuff.Go into a dealership or local repair shop and get a tech off to the side to help you.

Sep 25, 2009 | 1996 Jeep Cherokee

1 Answer

Our 1990 Jeep Cherokee Laredo was sitting for a year and know it sputters really bad we have put in fuel injection cleaner but we thing the guy we bought it from may have crossed the plug wires when he did...


The sputtering is likely because of letting it sit for a year. When fuel sits for a long period of time, it does go bad. It is always important to add a bottle of Sta-Bil if you plan on leaving a tank of gas sit for a long period of time. After the fact, however, one fuel injection treatment likely isn't going to clean the immense amount of gunk out. You'll want 2-3 consecutive treatments with a high quality injector cleaner (the cheap stuff is not as effective). The firing orders can be found online, but I can't dig up a link for you, but you can look it up yourself in autozone's repair guides. I would recommend purchasing the service manual for the vehicle though as the firing order and copious amounts of other invaluable information can be found in there, it's well worth the investment. Finally, after sitting that long, you'll need to change the engine oil, check the fluid in the transmission and radiator, check the condition/gap on the spark plugs and wires, and check the condition of the air filter.

Mar 17, 2009 | 1990 Jeep Cherokee Limited

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