What is code P0720 on a 98 jeep grand Cherokee 4.0?

Answer 1

DTC P0340 - Camshaft Position Sensor Circuit Malfunction

Symptoms can include:

• Hard starting or no start
• Rough running / misfiring
• Loss of engine power

Causes:A code P0340 could mean one or more of the following has happened:

• a wire or connector in the circuit could be grounded/shorted/broken
• the camshaft position sensor may have failed
• the PCM may have failed
• there exists an open circuit
• the crankshaft position sensor may have failed

Possible Solutions:With a P0340 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:

• Visually inspect all the wiring and connectors in the circuit
• Check for continuity in the circuit wiring
• Check the operation (voltage) of the camshaft position sensor
• Replace the camshaft position sensor as required
• Check the crankshaft position circuit as well
• Replace circuit wiring and/or connectors as required
• Diagnose/replace the PCM as required

Answer 2

Code P0171 means that an oxygen sensor in bank 1 has detected a lean condition. A lot of times cleaning the Mass Air Flow sensor with brake cleaner and fixing vacuum leaks fix the problem.

Answer 3

Trouble code P1762 means: Governor pressure sensor offset improper voltage

Answer 4

Trouble code P1762 means: Governor pressure sensor offset improper voltage

Answer 5

No mechanical instument cluster bus message.

Answer 6

A/T Output Speed Sensor - Low Output Above 15 MPH

Answer 7

Cylinder #1 misfire.