Starter not turning the engine over?

Tiny
BARBARA1963
  • MEMBER
  • 1995 JEEP WRANGLER
  • 2.5L
  • 4 CYL
  • 4WD
  • MANUAL
  • 15,000 MILES
This vehicle runs great. The only problem that I seem to have that I cant figure out is that when the engine is cold it wont crank but a couple hours later it cranks right up. This morning it would not crank but I turned the switch on for a few minutes and it cranked right up and it does this every morning.
Sunday, December 15th, 2013 AT 1:36 PM

23 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check the battery condition including load test. als clean the battery terminal ends. it may not be making good contact causing your problem. This guide can help us fix it

https://www.2carpros.com/articles/starter-not-working-repair

and

https://www.2carpros.com/articles/car-battery-load-test

Please run down these guides and report back.
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Sunday, December 15th, 2013 AT 1:54 PM
Tiny
NDNBOB
  • MEMBER
  • 3 POSTS
  • 1995 JEEP WRANGLER
Electrical problem
1995 Jeep Wrangler 4 cyl Four Wheel Drive Manual

I drove my Jeep a couple of weeks ago, neverhad a problem. I stopped in town and when I went to leave it would not start. It turned over just fine, it turned over off and on for an hour. At first I thought it was the fuel pump. I had it towed home. There is plenty of fuel, I undid the fuel line and turned the ignition on, it squirts fuel and I can here the electric fuel pump humming. So I pulled a plug wire and grounded to the motor, no spark. I then pulled the coil wire, same thing, no spark. I then bought a new coil and installed it. No spark. I then went on a blown fuse finding mission, no blown fuses. Swapped the relays around and checked to make sure the accessories they ran worked, nothing.

OK, there has to be a secret? That I am missing, can you help.

Bob
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Saturday, September 26th, 2020 AT 12:35 PM (Merged)
Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Hello -

To better assist you can you tell me if yours is a model S, Sahara, or SE? Also the engine size in liter?

Do you know how to pull the codes on your car?

A no spark condition can possible be a defective coolant temp sensor or crankshaft position sensor.
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Saturday, September 26th, 2020 AT 12:35 PM (Merged)
Tiny
IMPALASS
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Hello -

I haven't heard back from you. Maybe your car is fixed now. I am not sure of your exact model but for the S model you may have some recalls..

The dealer may fix this for free. Please contact the dealer service department, give them the VIN number of your car and have them check on this to see if it applies to you.


https://www.2carpros.com/forum/automotive_pictures/248015_Recall_17.jpg


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Saturday, September 26th, 2020 AT 12:35 PM (Merged)
Tiny
NDNBOB
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  • 3 POSTS
Sorry for not getting back, I got busy with work.

The Jeep is an S model. I do not know how to pull the codes, can you explain. The jeep is 250 miles away since I work out of town, I will be there this weekend and can do or get anything you might require.

The fact it ran perfect and always has is perplexing, before I left I used a tester and determined ther is no power in the plug that plugs into the coil, hence no power out of the coil. Obviously something shut power to the coil off.
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Saturday, September 26th, 2020 AT 12:35 PM (Merged)
Tiny
IMPALASS
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Hello -

Sorry for the delay....... Major technical difficulties..... But seem to be up and running

Thanks for the info on the car.

It looks like I can send you some tests, but I still need to know the engine size in liter. Is it a 2.5L or 4.0L. I don't want to send you the wrong thing.
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Saturday, September 26th, 2020 AT 12:35 PM (Merged)
Tiny
NDNBOB
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Appreciate you getting back to me.

The motor is a 2.5 liter.
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Saturday, September 26th, 2020 AT 12:35 PM (Merged)
Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Hello Bob

Okay. . ..some info for you. . .. . .. . .. . ...

Let's not rule out the simple. . .. . .. . ..so please check the plug wire resistance.

A bad crank sensor will cause this, a bad ASD, automatic shut down relay. . .. . ..etc. . ..

CRANKSHAFT POSITION SENSOR
1. Disconnect crankshaft position sensor. Connect ohmmeter across sensor terminal No. 2 (Black/Light Blue wire) and terminal No. 1 (Gray/Black wire).
2. Ohmmeter should indicate an open circuit. Replace sensor if reading is not as specified. Also see appropriate crankshaft position sensor tests in TESTS W/CODES - 2.5L article in the ENGINE PERFORMANCE section.

Okay. . ..the odd thing is they don't show a relay panel for 1995. . ...only 1991. . ..they may be the same. In this it state that the ASD relay is "D". I would swap it with another.


https://www.2carpros.com/forum/automotive_pictures/248015_Fuse_1.jpg



Spark Plug & Coil Wire Resistance
Resistance should be 250-1000 ohms per inch.

Do the below test. . ..you will probably only be able to get to step 6 since you don't have a scan tool. But we can see what the other steps show.

1. Attempt to crank engine. If engine will not crank, go to TEST NS-9A . If engine will crank, turn ignition off. Disconnect any one spark plug cable at spark plug. Insert an insulated screwdriver in spark plug cable terminal. Hold screwdriver within 1/4" of ground.
NOTE: When checking for spark, consider one or 2 sparks as a no-spark condition.
2. Crank engine for 10 seconds and watch for ignition spark. If a good spark occurs, go to TEST NS-2A . If a good spark does not occur, turn ignition off. Disconnect coil secondary cable from distributor. Hold coil cable within 1/4" of a good ground. Crank engine for 10 seconds and watch for ignition spark. If there is not a good spark, go to next step. If good spark occurs, repair or replace distributor cap, rotor or spark plug cables as necessary.
3. Turn ignition off. Remove coil cable from coil. Using an external ohmmeter, check resistance of coil cable. Resistance should be 250-1000 ohms per inch. If resistance is more than 15,000 ohms, replace coil cable. If resistance is less than 15,000 ohms, go to next step.
4. Turn ignition off. Remove distributor cap and crank engine. If distributor rotor turns, go to next step. If distributor rotor does not turn, repair distributor drive system as necessary.
5. Install distributor cap and coil cable. Disconnect ignition coil connector and ensure connector is clean and not damaged. If ignition coil connector terminals are okay, go to next step.
6. Turn ignition on. Using scan tool, run ASD fuel system actuation test. While actuating fuel system, put scan tool in voltmeter mode. Check voltage in ASD relay output circuit at coil connector terminal No. 1 (Dark Green/Orange wire). If voltage is more than 10 volts, go to next step. If voltage is less than 10 volts, repair open in ASD relay output circuit.
7. Using scan tool in voltmeter mode, check voltage in ignition coil driver circuit at coil connector terminal No. 2 (Black/Gray wire on Cherokee, Gray wire on Wrangler). If voltage is more than 10 volts, replace ignition coil. If voltage is less than 10 volts, go to next step.
8. Turn ignition off. Disconnect PCM 60-pin connector and ensure connector is clean and not damaged. Using scan tool in ohmmeter mode, check resistance in ignition coil driver circuit at PCM 60-pin connector terminal No. 19 (Black/Gray wire on Cherokee, Gray wire on Wrangler). If resistance is more than 5 ohms, go to next step. If resistance is less than 5 ohms, repair short to ground in ignition coil driver circuit.
9. Using an external ohmmeter, check resistance in ignition coil driver circuit between ignition coil connector terminal No. 2 (Black/Gray wire on Cherokee, Gray wire on Wrangler) and PCM connector terminal No. 19. If resistance is more than 5 ohms, repair open in ignition coil driver circuit between ignition coil connector and PCM 60-pin connector. If resistance is less than 5 ohms, replace PCM.

Since you have a 1995 some can use a scan tool and some not. I am going to go with not first. Try reading codes by doing the below. Then let me know what the code is.

MIL Diagnostic Mode
1. Start engine (if possible). Move transmission shift lever through all positions, ending in Park. Turn A/C switch on and then off (if equipped).
2. Turn engine off. Without starting engine again, turn ignition on, off, on, off and on within 3 seconds. Record 2-digit DTCs as displayed by flashing MIL.
3. For example, DTC 23 is displayed as flash, flash, 4-second pause, flash, flash, flash. After a slightly longer pause, other codes stored are displayed in numerical order. When MIL begins to flash DTCs, it cannot be stopped. Start over if count is lost. Code 55 indicates end of fault code display.
4. Refer to DIAGNOSTIC TROUBLE CODES/MESSAGES to translate trouble code number to a scan tool fault message. Once trouble area is identified, refer to TEST TC-1A in TESTS W/CODES article in this section. DTCs indicate results of a failure, but do not identify failed component(s) directly. Use scan tool fault messages to find appropriate test.
5. As an example, a 2.5L engine starts and runs but has a driveability problem. MIL indicates DTC 14. Refer to DIAGNOSTIC TROUBLE CODES/MESSAGES to translate trouble code number to scan tool fault message. When scan tool fault message is obtained, refer to appropriate test number in TESTS W/CODES article. To clear DTCs, see CLEARING DIAGNOSTIC TROUBLE CODES .

Okay. . .. . .. . ...let me know what you find out. . .. . .. . .
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Saturday, September 26th, 2020 AT 12:35 PM (Merged)
Tiny
PPRWNGS
  • MEMBER
  • 1 POST
  • 1995 JEEP WRANGLER
  • 4 CYL
  • 4WD
  • MANUAL
  • 110,540 MILES
I went to start it and nothing I could hear the starter gear spinning, but it was not connecting the the flywheel. So I had someone lighly tap it while I tried to start it nothing still. Then I pulled the starting unit off and bought a new one, same thing, spins but will not start. The fly wheel is not missing any teeth that I could see. Any idea what it might be?
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Saturday, September 26th, 2020 AT 12:36 PM (Merged)
Tiny
REDJEEEP
  • MEMBER
  • 29 POSTS
Have the new starter tested
it sounds like the bendix drive is not enguaging in short the starter gear should spin and push out to the other side of the starter that is when the starter can spin the fly wheel let me know and will go from here

most big chain auto parts stores will test parts for free
ex autozone
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Saturday, September 26th, 2020 AT 12:36 PM (Merged)
Tiny
GARDOG
  • MEMBER
  • 1 POST
  • 1993 JEEP WRANGLER
  • 4 CYL
  • 4WD
  • MANUAL
  • 140,000 MILES
My son tried to start it and it started to crank, but never turned over. His second attempt produced nothing. He ended up push starting it. The next day we tried it. Same thing, started to crank, but wouldn't turn over. On the second attempt nothing except some clicks from the fuse/relay box. Battery is putting out about 12.5 vdc. Attempts to push start it failed. What's the most likely problem? Starter, cellinoid, alternator, or connections? How do I narrow it down?
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Saturday, September 26th, 2020 AT 12:36 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Load test the battery if okay and engine is cranking over and refuses to start could be fuel or spark problem.

No cranking could be the ignition switch, park and neutral switch, starter relay, clutch switch and starter itself.
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Saturday, September 26th, 2020 AT 12:36 PM (Merged)
Tiny
THALMUS
  • MEMBER
  • 9 POSTS
  • 1992 JEEP WRANGLER
  • 6 CYL
  • FWD
  • MANUAL
I have an 1992 jeep wrangler and it wont start what is wrong
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Saturday, September 26th, 2020 AT 12:38 PM (Merged)
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
Does it do anything when the key is in the start position? Any sounds? Headlight come on normal (Daylight hard to tell, but are they as brigh as they should be? Do you have a Handheld Voltmeter? Detailed info, is a good thing!---The Medic
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Saturday, September 26th, 2020 AT 12:38 PM (Merged)
Tiny
THALMUS
  • MEMBER
  • 9 POSTS
Yes the headlight and all the accessories work it just wont start
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Saturday, September 26th, 2020 AT 12:38 PM (Merged)
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
I know this was meant for a CJ, much of this will work for you. Most people skip over the EZ stuff, and go straight to something they go out and buy. Try what you can, in this other post I answered (you will know when he is going elsewhere, other than not starting). Let me know what happens. Your Solenoid looks different, but performs the same task as mine. I cannot link you here (will not work!) -Return and we will continue if Need-Be/ or you have good news!--The Medic
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Saturday, September 26th, 2020 AT 12:38 PM (Merged)
Tiny
THALMUS
  • MEMBER
  • 9 POSTS
Ok it starts know after testing the crankshaft sensor but then it wouldnt crank but up after it cutted off then we started testing it again and then it cranked right back up. Do you think that it can be something in the with the crankshaft sensor in the distirbutor wrong or is it that I will have to replace the whole ditistributor it and the crankshaft sensor?
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Saturday, September 26th, 2020 AT 12:38 PM (Merged)
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
Allrighty Then, I imagine you already figgered out I'm a CJ guy.I thought you meant ENGINE NO TURNY OVER! I'm not really super Computer vehicle oriented.I looked on our site for Testing of the crankshaft sensor. No quick luck. I AM ASSUMING NO CHECK ENGINE LIGHT IS ON? Here's a resource that may give you DIFFERENT WAYS TO TEST IT, maybe with different results than you have now. _______If you remove your ignition module, you can possibly get it tested for FREE at Autozone, Advance Auto, other popular auto parts stores. I would call in advance and insure they are capable! (Have experienced the tester was not working)---Results?--The Medic
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Saturday, September 26th, 2020 AT 12:38 PM (Merged)
Tiny
SHEKOH
  • MEMBER
  • 2 POSTS
  • 1991 JEEP WRANGLER
  • 6 CYL
  • 4WD
  • MANUAL
  • 287,000 MILES
I turn the key and nothing happens. I checked my lights and they work, so I know that it is not my battery.
I think that it is my "Starter". I need to know how to replace my starter myself.
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Saturday, September 26th, 2020 AT 12:38 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the battery tested-your lights lits up but when your turn key to start nothing right- get it checked out -make sure its cleaned/properly tightened then comeback
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Saturday, September 26th, 2020 AT 12:38 PM (Merged)

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