I have a 1998 Jeep Grand Cherokee Laredo in which the motor will periodically not start or it the Jeep will stop running while I am driving. There are no check engine lights or indicators of any kind. It has around 150000 miles on it.
Crank sensor
SOURCE: 1999 jeep grand cherokee / 4.0 L.
I had a skim module go out in mine in the ignition, and I have a 2001. It's a 100 part, and now it starts fine.
SOURCE: Airbag light indicator: Jeep Grand Cherokee 1997
there are many sensors and and each airbag have sensors so you will have to get it scanned to know where to start. just a note air bag parts can be very expensive so check out your local salvage yard. they can save you hundreds. good luck
paul
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: 1998 Jeep Grand Cherokee Laredo 4.oL I got a code po113
Trouble Code: P0113 (4.0L L6 VIN S Auto)
IAT Sensor Circuit High Input
Print this code data
Number of Trips to Set Code: 1
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
Check with ignition on or engine running; battery voltage more than 10v; The PCM detected the IAT Sensor input was over 4.90v (exc. Dakota, Durango, Ram) or 4.98v (Dakota, Durango, Ram) for 3 seconds.
Possible Causes:
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