Jeep Crank Sensor Replacement, P Codes P0351, P1391, P1494 – Auto Repair Series

Jeep Crank Sensor Replacement, P Codes P0351, P1391, P1494 – Auto Repair Series

Cam sensor replacement: 30 to 90 minutes. Replaced the crank sensor on this 2003 Jeep Grand Cherokee. Initially it popped a crank sensor code. The IAC, CAM s…

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RSpi007 says:

Not sure what you are asking. I no longer have access to the Jeep. Whatever is in the video is all I have.

jerby santos says:

How can I remove the black arm bracket near the spring?

moe hamadah says:

today it gave me p0320

moe hamadah says:

i changed the filter 6 months ago i heard someone saying it si the fuel pump bu ti just dont want it to be :'(

RSpi007 says:

If you have no errors, you likely have a fuel delivery problem. Have you changed the fuel filter lately? It is also possible that the fuel pump is going out.

moe hamadah says:

yes and there is no errors at all

RSpi007 says:

I doubt it but it may be part of the problem. Have you had the codes read?

moe hamadah says:

sir my car shuts down then after 60 sec it starts smoothly do u think it is the Crankshaft Position (CKP) Sensor ?

RSpi007 says:

Private message sent. Off topic.

Pam K says:

yes all the lights come on when I turn the key on. are there any other typical characteristics of a vacuum prob or temp sensor issue you suggest I look for to narrow things down? Thank you for your help!

RSpi007 says:

It’s likely a vacuum problem or temp sensor. Does the light actually work? When you turn the car on before starting it, does the light shine?

Pam K says:

I have not had a diagnostic test for codes. Check engine light is not on. I did not mention before, but as the jeep warms up it works better and doesn’t shutter as much when going from reverse to drive.

RSpi007 says:

Sounds like something else. Do you have a CEL? If so, what are the codes?

Pam K says:

I have a 98 Grand, 140,000 miles, automatic, 2 wheel drive. had the transmission pan & gasket replaced after which it started to “almost” stall out when going from reverse into drive after sitting over night. Since then the problem has gotten worse & it now seems to try to stall out every time I go from reverse to drive. Does this sound like the crankshaft sensor or would this be something else? Appreciate your opinion.

Brian André Hollands Torres says:

in other cases, after driving a while and then parking it, if I want to take the Jeep once again to the road in a short time it has the same starting issue as happens when it dies on the road…

Brian André Hollands Torres says:

hi.. I’m wondering if the idle speed was fluctuating???… I have the same turn off problem while driving and I’m about to change the cam shaft sensor, what i’ve noticed, is that when I decelerate abruptly in a stop light or over a speed bump the revs go under the idle speed and the engine dies, some times the ignition goes without problem, but in the worst scenario it takes a lot of switch-on (as in a cold carb engine) or even worst it will not start for a while (almost half hour)…

RSpi007 says:

Then I would check for spark, if you have no spark it can be the crank sensor.

jerby santos says:

Doesnt start when its hot.

jerby santos says:

2 years ago when I bought it to dealer. An hour ago p0320 then p0463 both appears on the dash.

RSpi007 says:

If it is dying when it gets hot it might be the sensor. When was the last time the car was tuned up? Does it start when hot?

jerby santos says:

I have my 99 jeep g.c and appears P 0320 is it just a sensor. I already change my fuel pump cost me 200$ its my big mistake and same problem . can start for a cool down and after 10 to 15 min died.

RSpi007 says:

You are welcome. Thanks for watching. 

JuniorandViktoria says:

Was getting a P0320 code and all the symptoms of the cps going out (left me stalled out in middle of traffic a few times), so we got the part (NAPA $47) and watched your video. VERY helpful. It took us 3 hours and a lot of swearing but got it done. Code is gone, seems to be running great now. THANK YOU!

RSpi007 says:

Thanks for watching. Mine died at the office. LOL

dR00Ck says:

Thanks! This gave me a big advantage to get this changed. P0320 didn’t start and now it does again. Good thing it died in my garage =)

RSpi007 says:

Maybe you can jack the truck up instead of having it on ramps or something. Sounds like the tranny is to close to the body/firewall.

Brandon Harris says:

its not that its stuck. its that i cant get my hand up there to even attempto pull it out.

RSpi007 says:

Wow, never thought of a sensor getting stuck in the hole. Maybe you can tap it out.

Brandon Harris says:

I spent about three hours on this today. Got the bracket removed and completely out of the way but there is NO WAY I’m getting my hand up in there to get the sensor out. I was able to get the 11mm bolt out of the sensor but I cannot pull it out. Forget pulling it out how am I going to get the new one in!….There is another video that explains how to do it by removing half your dashboard and getting at it from inside the vehicle. I didn’t want to have to do that but it might be my only option.

RSpi007 says:

Have you had the codes read?

Juan Barrera says:

Hello, that was go info, im having problems starting my 2000 Jeep grand Cherokee 4L, it seems to want to turn off. What can I do

RSpi007 says:

Thanks, however, I could not so I un-hooked it.

michael romano says:

Hello,

Great video, and very helpful however you are leading people to one extra step that does not need to be done. You can easily access the CPS without removing the gear linkage cable. This can be done with a long extension rachet and a swivel head attached to it.

RSpi007 says:

No, it was the crank sensor. All is well here.

steelersrock1011 says:

i got a jeep v8 and i had this prob once and i changed everything you said you did ..and it come down to it my jeep jumped time …so that could be your case as well

steelersrock1011 says:

can you tell me what a po320 means?

RSpi007 says:

Where did you get the cam sensor from? Are you sure it’s plugged in properly? Check to make sure none of the connector wires are bad. Did the car have a CEL code?

juan23gpv says:

my jeep wont turn on ..i changed the computer..the chamshaft sensor ..i check the relays…theres no spark ..it cranks but wont start…what could it be ..my truck its a 4.0 grand cherokee laredo

RSpi007 says:

From one Vet to another, Ooh-Rah!

Eric Porter says:

Eric Porter Thank you so for the informative video I tried everything and was about to give up and have my jeep towed to the shop but you showed me through this video thanks again Ooh-Rah its a Marine thang

Neil Goldsmith says:

Thank u so much I wish I had seen ur video before I paid 200.00 bucks !

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