Pt cruiser has code 1391. i have changed crank sensor cam sensor plugs wires and coil. still getting code 1391. from 0 mph to 20 mph or at cruising speed the motor skips and revs up any ideas on why?
Check wiring harness going to the two sensors
The cam and crank sensors have the same power wire. Go after that one. They also have the same ground, but other sensors connect to it also. So it's not the ground. And they have separate return signal wires. Not them either.
SOURCE: 02 PT Cruiser LE w' Code P0340
My thought is to get a refund from the shop that tried to replace parts in order to secure your problem. The job of the shop is to diagnose the problem, not to replace items that may be the problem. Chrysler Master Techs are not trained to just replace parts, they fix the problem by diagnosing it properly.
You need to see a Chrysler dealership so they can attach a DRBIII and tell you exactly what is at stake.
I hope this helps you. I would be mad as heck.
I would not think the plugs and wires would be the problem because they would all have to fail at the same time to provide the symptom you experienced.
1. Get your money back
2. DRBIII
SOURCE: 2002 PT Cruiser no spark at coil -had code P0340
they can run with out a cam sensor but they will not run with out crank signal i would check for crank signal it may not throw a dtc because it wont start.
SOURCE: location speed sensor pt cruiser 03 touring car do
It sounds like the module is in limp mode. The speed sensor is most likely the cause, but it can be some other things as well. A scan will give a code stating the problem area.
The speed sensors are on the side of the trasmission that faces the front of the vehicle. There are 2 of them, and they are the same sensor. One is an input speed sensor located closest to the engine, the other is the output speed sensor.
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