SOURCE: 2002 Jeep Grand Cherokee Lardo misfiring
You say you changed the cam sensor. A1391 code is a crank sensor on the top of the trans. bell housing.
SOURCE: oil pressure gage at zero
I have the same problem,an erratic reading on the oil pressure gauge.I have been in touch with Chrysler Jeep (USA) and this is a common problem.The oil pressure sensor needs to be replaced this is on the oil pump by the oil filter.I changed mine and no more problems.
Bear
SOURCE: 1999 jeep grand cherokee all time four wheel drive will not engage
Sounds like the splines on your transfer case gear are ground down
SOURCE: shift indicator light 1999 Jeep Grand Cherokee
There are two parts to it, a voltage resistor, and the EL panel itself.
You need to remove the console first. There are 2 screws under the front rubber pad, two under the cup holder, two in the bin. Remove those six first, take the storage bin out, then slide the rear cupholder out, remove the two screws under the cup holder, and one in front of it.
There are a total of 6 flat screws, and 3 self tapping screws you have removed.
Put the parking brake on, shift the tranny to N, and the transfer case to the middle position if equipped.
Remove the entire console. Slide the shifter beezel as far up vertically as you can. There are 4 clips you ned to remove to do it.
You will see a blue and black wire running into the back. Follow those wires to the resistor. You will see a transparent EL panel attatched to the resistor by two clips.
Usually, one or both of these clips has come loose, causing the light to work intermittantly. Clip them back on, and turn on the headlights to confirm that the light works correctly now.
Re-install everything in the opposite order.
SOURCE: Where is the ECT Senor located on 1999 Jeep
Jeep Cherokee 4.0 Liter Engine Coolant Temperature Sensor (CTS)
Location
Hope this help (remember rated this) TY for using Fixya.
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