I have a 2005 hyundai sonata 2.7L. The car is loosing power at about 35mph, the car gave me a po335 code crankshaft sensor. Were can I find it exacly, the book does not give me the correct location. I really be thank full to you if you can help me. Thank you.

Watch the video of the replacement job 2004 Hyundai Sonata Optima V6 2 7 crankshaft position sensor location and...

Error Code: P0335
Description:
Crankshaft Position (CKP) Sensor - Circuit Malfunction
Possible Cause:
Wiring.
Crankshaft position (CKP) sensor.
Engine control module (ECM).

Your fuel pump needs cleaning, I had same problem

That is a crankshaft position sensor malfunction. Replace your crankshaft position sensor. Your car may be running rough and in some cars a failed CPK sensor will not allow the car to start.

P0335 = Crankshaft Position Sensor A Circuit Malfunction
This is a sensor used to let the computer know where in the rotation the crankshaft is so it knows when to fire the sparkplugs (among other things). The sensor may be bad or just the connection.

My online Sonata manual shows these possibilities, but does not identify which applies specifically to 2000 Sonata.
Also, when you talk to the dealership parts counter, you'll need to know whether your 2000 Sonata is (a) 4-cylinder 2.4L MFI DOHC engine, or (b) 6-cylinder 2.5L MFI DOHC engine.
Its easy to tell - just count your spark plug wires.

-- begine excerpt from 2000 Hyundai Sonata Repair guide --

The crankshaft position sensor is located next to the flywheel.
The crankshaft position sensor is located next to the flywheel/torque converter.
The camshaft position sensor is located on the engine near the timing belt cover and under the upper radiator hose.
The crankshaft position sensor is located on the driver-s side of the vehicle, down by the lower radiator hose.
The crankshaft position sensor is located on the engine near the crankshaft pulley.
The crankshaft position sensor is located at the front of the engine near the timing belt.

--- end excerpt from 2000 Hyundai Sonata repai guide ---

crankshalft position sensor " A ' curcuit malfunction== po335. this means the crankshaft sensor is bad. the sensor senses revolutions of crank then sends this info to ecm for proper timing.

hi,
i have attached the image, showing the position of crankshaft position sensor.hope its helpful for you. Please rate my solution as helpful.have a great day.

The crankshaft sensor determines when to fire the plugs; if it has failed, no plugs will fire.
If you have no mechanic friends who know how to test this sensor, you should probably invest in an aftermarket service manual. They have simple tests for most sensors and conditions that don't require costly equipment or detailed knowledge.
I prefer Haynes and they are available on line here:
Haynes Sonata Manual
You may also find them elsewhere for a few dollars less.