Question about Jeep Grand Cherokee

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Knocking in engine

96 jeep laredo 4.0. replaced plugs, wires, cap, and rotor. code says cylinder 5 missing, some knocking. going through about 1 qt. of oil a week. it's definitely leaking oil from almost anywhere possible.

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  • Jeep Master
  • 6,982 Answers

If you are pushing oil out everywhere, and it's knocking, first check the pcv and vacuum hose (or ccv) if it's clear, I'ts likely you have a serious engine problem...likely a failed bearing, and possibly a piston problem as well. Check your oil pressure and do a compression test to se what's going on in there.Since #5 is showing a code, pay attention to what you find in that cylinder.

Posted on Apr 19, 2009

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P0305 cylinder misfire in 96 chevy z71 k1500 5.7 vortec


i would not spend the money on heads w/out diagnosing # 5 misfire. misfire is caused by many different things. i would first start by verifying in fact #5 is at fault. start engine, with it running and using well insulated plyers, pull each wire off dist. cap one at a time. you will notice the engine missing worse each one you pull until you reach the one causing the miss. this wire, when pulled, will not change the evident missing cylinder. if it is #5, check spark, at spark plug end. stick a small screwdriver or equivilent in the removed boot, and place it a cm away from a ground source. start engine. observe spark. should be nice and blue, and ark a good inch from ground. if no spark, swap a wire and check again. if still no spark replace cap and rotor. if their is spark, make check plug. even though new, its easy to crack porcilan installing it. try another plug. if still a miss, start engine with plug removed, breifly, and compression should be evident. strong popping noise of compressed air. a compression gauge is the proper test ( 4 strokes 125 psi) but if audible compression is heard without a doubt, more than likely fine. w spark and compression seeming ok, next is possible fuel, (injector) or intake leak, leaning ouy cylinder. try this and let me know. James White White Automotive, ASE tech, 17 yrs exp.

Feb 06, 2013 | 1996 Chevrolet K1500

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

I have a 98 honda accord 5 spd it has a 4cyl motor vtech i just need to know how to fix a miss fire in cylinder 2 and wich one is cylinder 2


Cylinder #2 is the the second spark plug counting from the right to left.
EX.Below are spark plug on engine
engine
-------------------------------
' (oil cap) '
' (4) (3) (2) (1) '
'_________________'

Your misfire can be cause by couple of things but the cheapest way that you can try to fix your car is to do a tune up by replacing:
1)all spark plugs
2)do a oil change
3)spark plug wires
3)distributor cap and rotor

note misfire can be cause by:
1.bad gas
2.spark plug and/or wire
3.distributor cap and/or rotor
4.valve adjustment
5.injector
6.off timing
7.ECM
8.bad wiring(power, ground or feed line)

Jul 08, 2011 | 1998 Honda Accord

1 Answer

Had a miss so I changed my wires now it will barley run I need to know the order so I can see if I got them mixed up . It's a 79 304


Standing in front of the engine the cylinders are positioned as:

FIREWALL

8 7
6 5
4 3
2 1

RADIATOR


The firing order is 1-8-4-3-6-5-7-2.

this is for a 1979= 304 engine, the rotor in dist. turns clockwise, #1 cylinder on cap is facing towards the front of engine. have a good day !!

Jun 11, 2011 | Jeep CJ7 Cars & Trucks

3 Answers

Some put plug wires on wrong and i dont know how to fix this


Firing order 1-3-7-2-6-5-4-8 --------- front ' 1 2 3 4 ' of ' 'distributorless ignition vehicle ' 5 6 7 8 2.image

Jun 10, 2011 | 1995 Mercury Grand Marquis

2 Answers

What is the firing order for a grand cherokee laredo. I change the distributor for sgrand cherokee laredo jeep. I lined up tdc, had the rotor turned to number 1, but it is still missing.


You didn't post your engine size so please choose the apprpriate diagram:



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1989-98 2.5L Engine firing order: 1-3-4-2 Distributor rotation: Clockwise



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2.8L Engine firing order: 1-2-3-4-5-6 Distributor rotation: Clockwise



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4.0L Engine firing order: 1-5-3-6-2-4 Distributor rotation: Clockwise



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5.2L and 5.9L Engine firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise

May 12, 2010 | 1996 Jeep Grand Cherokee

1 Answer

What order do plug wires go on distributor cap


Firing order is 1-8-4-3-6-5-7-2. Move #1 cylinder to where piston is up, and on the compression stroke (TDC). Easiest way to do this is with a compression tester on the #1 cylinder - rotor cap OFF. When you see the pressure build...you're on the compression stroke.
The rotor cap should be at the #1 cylinder firing position...simply re-install the rotor cap at this time - noting which button is #1.
Starting at #1 install the wire for the #1 cylinder onto the rotor cap...the next button (clockwise) on the cap should correlate to #8; the third button on the rotor cap is, cylinder #4..and so on.
work your way around the rotor cap until you have all 8 cylinder wires in place...ignition coil wire in the middle button.

Engine should start and run.

Hope this helps.

Nov 21, 2009 | 1996 Buick Roadmaster

2 Answers

95 jeep grand charokee laredo hard to start,


Check your spark plug, wires, distributor cap and finger. If you spark plugs older than 15000ml, replace them. To check your spark plug wires, use a tester (U can buy at any auto store) you hold direct on the wire and a small sparkling will show you if the wire works or not. You can check the wires also with this: use a single spark plug (don't remove one out your engine!), remove the wire from first SP, connect it with the single SP, hold it to ground, let someone start your engine...you need to see regular sparks.. do this step by step with all 6 wires. If all wires are fine, check the SP's, If you miss on one wire, replace the wire, if you miss on more than one, chekc the distributor cap and finger. If this items are older than 20000ml or 5 years, replace them.

Oct 27, 2009 | 1995 Jeep Grand Cherokee

2 Answers

99 5.2 durango :pulled codes for multipe missfire cylinder #5-7


Aloha We have just replaced all of what you have replaced, plus water pump, fuel pump, pcv valve and 02 sensor. Took it to mechanic today we had misfire on 1,2,6,7. Mechanic said that the 99 dodge is known for bad computers, he checked ours and works great turns out that it was the coil. Ours was jumping 1/4 inch and had a orange/yellow spark. it is supposed to have a 1 inch spark and be blue. This has solved our problems after 527 dollars later.
Check the coil!

Feb 26, 2009 | 1999 Dodge Durango

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