01 cheroke no start - JeepForum.com
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post #1 of 15 Old 06-10-2019, 12:09 PM Thread Starter
packerrich
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01 cheroke no start

I've found some advice on here about my problem, but still can't figure it out.
01 Cherokee 4.0 A/T 2WD. Stopped running on the highway like I turned the key off. Had it towed back home and started troubleshooting. I found some suggestions on this forum and started with those.
First.. I can hear the fuel pump run, there is fuel at the fuel rail, and spraying starting fluid in the air intake has no effect. So I have ruled out fuel problem.
Second..After reading a couple forums, I tried replacing the Crankshaft Position Sensor. Got that done and still no start. Cranks over fine. I don't have an O.B.D. tester, but will probably buy one today.

Third.. Will the OBD still show codes if the jeep won't even start? Also, thanks in advance for the help, I just don't want to keep throwing money at it.

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post #2 of 15 Old 06-10-2019, 12:28 PM
CJ7-1978
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Did you check for spark from the coil?

Buy the winch first, then the Jeep!
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post #3 of 15 Old 06-10-2019, 01:18 PM Thread Starter
packerrich
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I pull the coil rail loose and put a spark plug in one of the wires. I grounded it with a screwdriver and turned the engine over, no spark.
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post #4 of 15 Old 06-10-2019, 01:47 PM
jtec
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key on engine off-
is there 12v at coil?
is there 12v at injectors?
Knowing fuel pressure PSI but can wait for above checks.

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #5 of 15 Old 06-10-2019, 07:54 PM Thread Starter
packerrich
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I have to research how to check for 12v at the coil. There seems to be 3 coil packs on a rail above the spark plugs. Not sure where to check the voltage. Will look into that and the voltage at the fuel injection tomorrow. Thanks
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post #6 of 15 Old 06-11-2019, 09:25 AM
40vern
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My 95 did this. Their is a little disk thing in the distributor. That the cap off and you will see it.
You have to take the rotor button off. Unplug the part and replace.
This was my problem. Wish I New the name of the part
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post #7 of 15 Old 06-11-2019, 10:03 AM
jtec
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Coil rail is 4 wires, all 4 should be 12v with key ON.

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #8 of 15 Old 06-11-2019, 02:02 PM
40vern
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My 95

Quote:
Originally Posted by 40vern View Post
My 95 did this. Their is a little disk thing in the distributor. That the cap off and you will see it.
You have to take the rotor button off. Unplug the part and replace.
This was my problem. Wish I New the name of the part
I took my distributor cap off and took a picture from you. This was my problem
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post #9 of 15 Old 06-11-2019, 03:40 PM
SmashDN
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No distributor on an 01. It has a coil pack and is electronically signaled to fire.

Fuel, air, fire. You've ruled out fuel it sounds like. Make sure you have fire next. Get 12 volts at the plugs. There is probably a better way to check but if you leave the plugs in the coil rail you should be able to hold them close to the block and see a spark. Be careful where you grab you may get a jolt.
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post #10 of 15 Old 06-11-2019, 03:47 PM
40vern
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sorry

Quote:
Originally Posted by SmashDN View Post
No distributor on an 01. It has a coil pack and is electronically signaled to fire.

Fuel, air, fire. You've ruled out fuel it sounds like. Make sure you have fire next. Get 12 volts at the plugs. There is probably a better way to check but if you leave the plugs in the coil rail you should be able to hold them close to the block and see a spark. Be careful where you grab you may get a jolt.
i did not know this. my newest is a 99. i was hoping i could help find a cheap easy fix
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post #11 of 15 Old 06-11-2019, 05:50 PM
kadetklapp
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Yes it will show stored codes while not running. However, if you don’t have a check engine light then not sure it has thrown a code.

Inspect wiring at crank sensor connection. Clean battery terminals really well and ensure they are tight.

**1997 Jeep Cherokee SE**
Former Police Car assigned to 54-26, RIP.
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post #12 of 15 Old 06-11-2019, 08:13 PM Thread Starter
packerrich
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Removed and cleaned the battery cables. I wish it had a distributor! Probably won't have time til Friday to do anything more. Thanks for the direction.
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post #13 of 15 Old 06-11-2019, 08:22 PM
dented
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Do you have fuel, electricity and air?

You say yes to fuel. You need to find out if you have electric at the spark plugs. That would be my first look. I wouldn't bother with anything until you rule that out.
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post #14 of 15 Old 06-12-2019, 12:56 AM
40vern
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how does your wires to the coil look? are they in good shape. i have seen the insulation on the wires crack and short out
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post #15 of 15 Old 06-28-2019, 05:38 PM Thread Starter
packerrich
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finally had time to get back to the jeep. Found a broken wire going to the coil rail. fixed and back on the road. Thanks for all who offered help.
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