96 lt4 crank sensor problem
Thread Starter
Burning Brakes
Joined: Oct 2013
Posts: 755
Likes: 49
96 lt4 crank sensor problem
i have code 1361 throwing on my lt4 . will not start unless i put my jumper box on it with a 150 amp boost. replaced coil and icm still no start. anyone change the crank sensor without pulling front of motor apart> also i have a leak in front and suspect that is where it coming from . i read that when ckp goes bad it will leak. ?? any help would be appreciated TIA
Drifting
Joined: Apr 2020
Posts: 1,925
Likes: 610
From: Orange, CA
The crank sensor is installed in a boss on the bottom of the crank cover facing the passenger side. It'll be a PITA to get to but I don't see why you couldn't replace it from underneath if you had the right tools. That said, if you've got a bad leak in that area, it sounds like you're in for the full monty. Water pump, opti, water pump drive seal, cam seal, crank seal, hub sleeve...
Best of luck!
Best of luck!
Pro
Joined: Apr 2018
Posts: 557
Likes: 105
Crank position sensor is basically a magnet installed into the timing chain cover. I was getting a code for that on my lt4 but it was P0335 and P0334. I had it plugged in incorrectly so the connection was bad. Before you throw parts at it I would get a test light and an OHM meter and check the ground and the signal at the connector. My car ran totally normal with the crank position sensor plugged in wrong and not working at all.
Pro
Joined: Apr 2018
Posts: 557
Likes: 105
Yes you change the crank position sensor fairly easily without pulling the front of the motor off.
It can be done from under the car, the higher you have it the easier it will be.
It can be done from under the car, the higher you have it the easier it will be.
Last edited by Furias15x; Dec 9, 2020 at 09:58 AM.
Thread Starter
Burning Brakes
Joined: Oct 2013
Posts: 755
Likes: 49
Yeah it's really wet around the CKP sensor.. car sits alot. my bad for not driving her. i appreciate all the input from everyone and i will do more research and testing before tearing into it. gonna check the fuel pump as the car ran like a raped ape before i shut it down for our hot summers. i like driving it in the california winters.
Thread Starter
Burning Brakes
Joined: Oct 2013
Posts: 755
Likes: 49
the car runs has a hard time starting however this time around it was sluggish on take thu 3rd gear.never before in 15 years i have owned it has it stumbled. i'm starting with fuel pump as it is know to be at least 15 years old. not sure why it threw a 1361 code.
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Thread Starter
Burning Brakes
Joined: Oct 2013
Posts: 755
Likes: 49
it appears to be my fuel pump , as for the leak i'm hoping it is the crank sensor as i understand that they leak from that sensor the seal dries up wanted to do the easiest fix first and if leak doesn't stop then the joy of tearing down the front of the motor.car only has 41k only time will tell Matt why did you pull your sensor? was it leaking?
Le Mans Master
Joined: Aug 2015
Posts: 6,086
Likes: 1,972
From: St. Charles MO
it appears to be my fuel pump , as for the leak i'm hoping it is the crank sensor as i understand that they leak from that sensor the seal dries up wanted to do the easiest fix first and if leak doesn't stop then the joy of tearing down the front of the motor.car only has 41k only time will tell Matt why did you pull your sensor? was it leaking?