Question about 2004 Nissan Maxima

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My mechanic diagnosed the A-Crank Sensor 23731-38U12. Hope this can gives you an idea of what's happening.

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I have a mazda familiar and the engine just stopped running and i tried to start it again and i woludnt start, the mechanic said its either the cam sensor, crank sensor or the computer box, what could be...

try diagnosing it yourself first, remove the crank sens clean it off, connect a multimeter set to 200-500 ohms will do, see if it reads if it does connect the sensor back to the car with the meter still attached set it to ac turn the engine over it should be between .2 and 2 volts repeat on the cam sensor. see were you go from there
hope this helps

Jul 25, 2013 | 1998 Mazda 323 F

1 Answer

Service engine soon wont go away!!!!!!!!!

The engine and transmission in this cars drive train are fully electronically controlled by a computer called the PCM (Power Train Control Module). Whenever a problem like this occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPEDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM

Jul 19, 2012 | Cars & Trucks

2 Answers

How to change cam/crank sensor in 2004 chevrolet trail blazer

A cam sensor and a crank sensor are two different sensors. How to go about changing them depends a lot on WHICH ENGINE your TrailBlazer is equipped with.

With that being said, it is also safe to assume that the cam and/or crank sensors have not been properly diagnosed to know that they in fact, need to be changed. If you had diagnosed them properly, you would know by now where they are located and would have a pretty good idea of how to get them changed.

If you are going on an assumption based on what somebody with a generic OBD code reader told you, you are probably fixing to waste your money trying to replace a part that may not be defective.

Mar 17, 2012 | 2004 Chevrolet TrailBlazer

1 Answer

Got a 2003 ford tauras ..would the crank sensor keep the transmisson from engaging

no the crank sensor has nothing to do with your transmission. and all the crank sensor does is control spark up to around 4 or 5 hundred rpms (while your trying to start the car) after your car starts the crank sensor does nothing. the ecm takes over ignition controls once the engine is running. if you took it to a parts store to get it scanned beware the typical know it alls at the parts stores, most of them will do no more than get you to throw parts at your car rather than actually diagnose it. leave diagnosing to a professional mechanic. parts store guys are not trained mechanics. on the transmission issue what do you mean it will not engage? does it go into gear but not drive? is the gearshift stuck? does it go into gear but then stall the motor?

Mar 07, 2012 | Cars & Trucks

2 Answers

The car won't start. It's not the starter. It's not the battery. They can't find the fuse. Could it be the computer box

I've had this problem but it was intermittent. I would drive to work it would start. Go out to lunch, it would start. Return to car after lunch to go to work, no start! This seemed to happen in warmer months only! Did the crank shaft sensor and cam shaft sensor. Was a pain to diagnose because everytime I got it to dealer or my mechanic it would start no prob. Finally got it to not start and we had te fuel pressure gauge already Hooked up and the mechanic watch it have fuel pressure and loose it then die. Then tried to restart no pressure. It was the fuel pump.

Feb 21, 2011 | 2001 Pontiac Aztek

1 Answer

My 2004 nissan maima fails to start on the first try. doesnt happen every time, but frequency is increasing. Been told it is probably a fuel line issue bu a backyard mechanic. Any ideas??

do you have a check engine light on?? If so, have the vehicle scanned at autozone for the error code. If it isn't on, this may be caused by faulty crankshaft or camshaft position sensor. Cam sensor controls firing and crank sensor controls fuel. This issue needs to be physically diagnosed!!

Sep 28, 2010 | 2004 Nissan Maxima

1 Answer

02 deville crank sensor problem - diagnosed professionally

search ( mitchell1diy) this is a repair site you can access.

Jun 21, 2010 | 2001 Cadillac DeVille

2 Answers

97 plymouth voyager. no spark to cylinders


Mar 01, 2010 | 1997 Dodge Caravan

1 Answer

I have a 2004 Grand Cherokee and the engine was cutting out and coming back when driving., the gauges were all going crazy. No check engine lights came on on the dash. Had to have it towed and the mechanic...

Intermittent problems like this can be caused by so many different things. However, if it happened before and someone traced it to the crank sensor. It probably wasn't the crank sensor, there is likely a bad connection, or a short in the circuit for the crank sensor.

Jan 11, 2009 | 2004 Jeep Grand Cherokee

3 Answers

It keeps shutting off while i am driving

crank sensor is probable also have the coilpacks (3) checked but my experience with the 3.8liter engine is usually the crank sensor

Jul 30, 2008 | 1995 Buick Riviera

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