QuestionQUESTION: i replaced the crankshaft about 1 1/2 months ago,and i am now having the exact same problem. what would cause it to keep going bad? the car has run fine since i replaced it and with no warning at all cut off again.thanks dave
ANSWER: I presume you mean you replaced the crankshaft sensor. I've got some questions whose answers will probably help me understand your situation.
1. What engine do you have in your Santa Fe?
2. How many miles are on your Santa Fe?
3. Did your check engine lamp illuminate prior to the stalling (this time or last)?
4. Does the vehicle restart after stalling (this time or last)?
5. Did you replace the timing belt when you replaced the sensor?
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QUESTION: it's a 4 cyclinder,2.4. it has 75000 miles on it. the check engine light comes on after it stalls and it does not restart this time but did last time.i did not replace the timming belt.also sounds like an ejector is humming when key switch is on.thanks again dave
AnswerOther than the crankshaft sensor having an internal defect, there are two common reasons for crank sensor failure on your engine. One is that teeth strip off of the timing belt or the balance shaft belt and they then get caught in the crankshaft sprocket and then hit the crankshaft sensor and crack or break it. The other common reason is that the wiring for the sensor isn't run properly and rubs through on a moving component.
If your timing belt is still original, I'd primarily suspect you may have had a timing belt failure since your check engine lamp didn't come on. The timing belts on the 2.4L engine tend to fail in many cases not long after the recommended maintenance interval (4 years or 60,000 miles, whichever comes first).
