How to Repair Engine RPM up and Down

How to Repair Engine RPM up and Down

Model: Hyundai Sonata

Year Model: 2002

Displacement: 2000cc

Condition:

1. Engine RPM up and Down.
2. Engine Cut Off Especially when Getting Engine Hot.

Cause:

1. Due to CKP sensor wire open.
   = CKP wire covered only with Electrical tape and this the cause of resistance that affect the CKP sensor.

Diagnosis

1. Scan tool Check
   =Study P0010 CMP Sensor.
2. Check the Electrical circuit of CMP
   =Study OK
3. Check the Fuel Pressure
   = Study OK.
4. Check  The CPK by disconnecting the female &male Socket.
5. Check the electrical circuit for loose connection =Study
6. Check for the engine timing cause CMP trouble code intermittently registered to the GDS or G-Scan.Study Ok
7. Finally Open the Front Engine and check visually the CKP
   =Study CKP wire covered only with Electrical tape and this the cause of resistance that affect the CKP sensor.

Study Guide and Replace Parts

1. Replace Crankshaft Position Sensor. 

Study Guide , Study Guide , Study Guide , Study Guide , Study Guide