How Auto Transmission Stocked in D After a Minute of Driving

How Auto Transmission Stocked in D After a Minute of Driving.

 

How Auto Transmission Stocked in D After a Minute of Driving

 

Model: Hyundai Sonata YF

Year of Model: 2011

Fuel: Gasoline

Displacement: 2400 cc

 

1) Study Guide the Condition.

1. Auto Transmission Stocked after a minute of driving.

2) Study Guide the Cause

1. Brake Switch.

3) Study Guide and Diagnosis

1. Scan Tool Checked
   = No Trouble Found.
2. Confirm the Problem by testing the car = the problem was occurs
3. Lift the car on 2 post electric lifter the test to put the shifting lever to drive and let the wheel run then push the brake pedal to stop and try to return the shifting lever to park position but it can not.
4. Check the Current flowing to the shifting solenoid from brake switch. No Power flowing.

4) Study Guide and Replace Parts

1. Brake Switch.

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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. 

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How to Repair Engine Vibration in Hyundai Sonata

How to Repair Engine Vibration in Hyundai Sonata

Some Trouble may Cause of Poor Contact of Harness, Sensor Fault, or Mechanical part that affect the normal function of Engine.

Model: Hyundai Sonata YF

Year: 2011

Displacement: 2400cc

1) Study Guide Condition:

• Engine Vibration on Idling.
• Front Engine Noise During Driving.

2) Auto Repair Cause:

1. Due to A/C compressor Internal Damage and Hard to Turn.

   

3) Study Guide Diagnosis

1. Check w/ Scan Tool = No Trouble Code
2. Check Fuel Pressure = Ok
3. Check for the Injector = OK
4. Check For the Spark plug= OK
5. Check  and turn manually the Engine to check if smoothly rotate but pull out the Spark plug.
   = Hard to turn
   = Pull out the Outside Belt then turn = OK
   = Check the all tensioneer bearing and A/C compressor
   = Found Out that the Compressor slightly stuck up

4) Auto Repair and Replace Part

1. Replace w/ new A/C compressor.

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How to Repair Engine Start But Suddenly Cut Off on idling Hyundai Sonata(YF)?

How to Repair Engine Start But Suddenly Cut Off on Idling Hyundai Sonata(YF)?

Model: Hyundai Sonata YF

Year Model: 2011

Fuel : Gasoline

Displacement: 2400cc

1) Study Guide For Condition

1. Engine Start but Suddenly Cut Off on Idling.
2. Engine Hesitate During Acceleration.

2) Auto Repair and Cause

1. Due to the OCV clogging with metal.

3) Study Guide and Diagnosis

1. Scan Tool Check = Trouble Code  P0011  Camshaft Position-Timing Over-Advanced or System Performance (Bank 1)
2. Check if what are the possible causes of this problem.
   

   • Oil leak

   more info:

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How to Check a Automatic Transmission Shock Shift

How to Check a Automatic Transmission Shock Shift.

Model : Hyundai Sonata

Year Model: 2009

Fuel: Gasoline

Displacement: 2400cc

1) Condition

1. Automatic Transmission Shock Shifting.
2. Delay Shifting.

2) Auto repair and Cause

2. Due to A/T relay pin poor contact.

3) Study guide and Diagnosis

1. Check G-Scan
   = P0880 TCM Power Signal Error Open/Short (GND)
2. Replace with new = The same
3. Retightened the pin = Test the problem suddenly disappear.

How to test the code P0880 TCM Power Signal Error Open/Short (GRD)?

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