Hyundai has a tsb on this code it is 16-at-005 basically it breaks down to this: remove air cleaner find extension motor wire disconnect and measure resistance on pins 2 and 7 which if looking at male pins top row from left over 2 and bottom from left over 2 is pin 7 resistance is 112-142 kila ohms now disconnect trans temp sensor connector measure the resistance on pin 4 top row from left and pin 8 bottom row from left should be same 112-142 kila ohms at outside temp 68 . if reading are not the same resistance replace transaxle,if they both are same resistance replace HPCU (hybrid power control unit ) next step if resistance is different by 1 ohm harness is good,if resistance on both readings are different by more than 1 ohm replace extension wire . may need to send this car to dealership if this testing is more than you can provide yourself,sorry hope it helps
SOURCE: Hyundai Sonata 2002 EF-B V6 2.7L
put the bad coil in the place of a good on and check it after that our be sure hope it help fixya our post thanks pierre
SOURCE: hyundai sonata 01 jerking slow take off high idling
P0715 = Input Shaft Speed Sensor Malfunction
P0765 = P0765 Overdrive solenoid valve problem
The Input shaft speed sensor is located on top of the trans (center) under the shifter cable (the shifter cable is connected to the transaxel range switch). The Overdrive Solenoid valve is located INSIDE the trans (oil pan must be removed to access it).Go to http://www.hmaservice.com/ and register (vehicle by VIN). Afterward, you'll have access to technical information (manuals, wiring diagrams, service bulletins, etc) about your vehicle.
SOURCE: I have a 2000 hyundai Sonata, 6 cylinder eng. My
The sensor is located on the left hand rear side of the block (near the bell housing). It is held in place by a 10mm bolt. It's to the right of the exhaust manifold (LH - radiator side) on the V6. Once you purchase the new sensor you'll be able to identify it on the engine. The connector to this sensor is located in the illustration.
A word to the wise... replace the O2 snsr as well.
SOURCE: 2001 hyundai sonata speed sensor replacement -
Go to www.hmaservice.com and register( Vehicle by VIN). Afterward, you have access to shop manuals, service bulletins, wiring diagrams, etc. about your vehicle.
SOURCE: PO301 code on Hyundai Sonata. Replaced wires,
P0301 - Cylinder 1 Misfire Detected.
Possible Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak at cylinder
Possible Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1
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