May not be a sensor, check the valve timing
SOURCE: check engine light on . engine speed sensor
The engine speed signal code is generated from the crank sensor. The crank sensor is located on the back side of the engine block. See image.
Thanks Jay!
SOURCE: 2003 Nissan Altima 2.5S, Check Engine Light Problem.
this problem could be caused by the mass air flow censor, i had the same problem with my car. it is really pricey at the dealer so you might want to check elsewhere for this part. I found one at a scrap yard for 85% less that the dealer and i also got life time warranty, the dealer does not offer any warranty on this part.
SOURCE: crankshaft sensor for 2004 kia sorento
The above information about the sensor being located at the top of the motor to the passenger side of center is bogus. That is only the pig tail plug in. The actual sensor pig tail continues down below, underneath the plastic lower timing belt cover, on the front of the motor, just above the crankshaft timing gear.
It is a very involved process of removing and replacing. You will have to remove all of the belts, the front timing belt covers, (upper and lower). You will also have to remove the front bracket that is mounted to the front of the block, which serves as the mount for the power steering pump, the alternator and the A/C compressor.You will also have to remove the crankshaft pulley. You cannot remove the plastic lower timing belt cover unless you remove all of these things first. The sensor is located underneath the lower cover. It has two bolts that hold it in place. You will have to remove these two bolts.
The crankshaft pulling bolt is a right handed thread and loosens by turning counter clockwise. The pulley will slip off but is a very tight fit. Do not try to turn it while removing it as there is a small pin that keeps it aligned to one position. Use a small ball pine hammer to tap it loose.
It is also a good idea to remove the electric cooling fan shroud that is mounted to the inside side of the radiator and the radiator hoses to give yourself more room to work. It has only two bolts at the top holding it in place. And then slips into two retaining clips at the bottom. Lifting it will pull it out of these retaining clips.
When you remove the small bypass hose located at the top of the radiator , to the passenger side, be careful not to break off the small nipple protruding out of the radiator tank. It is plastic and will break easily if you try to pull the rubber bypass hose from it. This will have to be taken to a radiator shop to have repaired if you accidentally break this off. Be sure to carefully loosen the hose from this nipple before trying to pull it off.
And one more thing, if you go to that much trouble to replace this sensor, it is a good idea to go ahead and replace the timing belt as well. It is a maintenance item and you will have to go through the same process to replace it as well. Do it once and do it all.
I hope this helps.
SOURCE: 2000 Chevrolet Venture multiple codes stalling and rough idle
Look for broke/ shorted wires on Crank sensor.. thanks
SOURCE: 2006 Kia Sorento code P0343 and P0463
did you ever get this fixed, i am having the same problem with mine, what was wrong with it
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