Question about 2003 Nissan Altima

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Cam sensor crank no start - 2003 Nissan Altima

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Cam sensor want stop you from starting the engine.The crankshaft sensor will.Change that.

Posted on Jul 18, 2009

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Posted on Jan 02, 2017

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SOURCE: put no new head car want start changed cam sensor

check your timming and make sure belt was installed correctly

Posted on Nov 17, 2009

  • 2 Answers

SOURCE: no start, no spark, no cam reference signal at

crankshaft sensor had same problem

Posted on Apr 02, 2010

  • 40 Answers

SOURCE: 2004 nissan altima 3.5 code p0340 (cam Sensor)

check the pin connectors to see if there split open and not making contact

Posted on Apr 03, 2010

  • 132 Answers

SOURCE: will not start--new battery,alternator,cam

put a timing light on it. if in time then spray some ether in intake. if tries to run now its a fuel problem. make sure plugs are gapped properly. if you got timing,spark,gas at right pressure, and compression it should run.

Posted on Jun 21, 2010

dj_relly999
  • 4070 Answers

SOURCE: 1999 dodge intrepid es 3.2L

Hi! Its a possible PCM (powertrain control module) failure. The PCM is like a car's brain. Its working when you disconnect the sensors for it bypassed the PCM but once it is connected it fails. Try a PCM swap and see how it goes. Hope this helps and thank you for using FixYa!

Posted on Aug 20, 2010

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1 Answer

How will the car perform if the crankshaft sensor is bad?


it will not crank usually with a bad crank sensor usually this is a misunderstood code for the crank position sensor being out though as the code for that is the same as the code for the cam position sensor, more times than not the cam position sensor is the issue nt the crank. i have recently been throught his one myself and spent $40.00 i didn't have to by not knowing this and just replacing the cam position sensor and calling it a day.
IF the cam position sensor is gone out the car will still start but it will only catch and turn over if the starter is able to crank it at above 1100 RPM and when it does start it will be rough idle and the car will die as soon as you take your foot off of the gas pedal.

Jun 22, 2014 | 2004 Chevrolet Malibu

1 Answer

2007 camry 4 cyl will not start. Showing no codes. HELP


I would have looked to the crank sensor before the cam sensor in the first place. The crank sensor is what tells the computer where the engine is in relation to the ignition cycle. The cam sensor just tells the computer if it is on the compression stroke or the exhaust stroke.

Apr 30, 2013 | Cars & Trucks

1 Answer

No voltage on crank sensor grand am 2001 2.4


The crank and cam sensors produce ac voltage that is sent to the computer. There are magnets or components on the crank and cam that the sensors "read".
The problem could be the harness between the sensors and the computer, or a mechanical problem like a timing chain or gear.

Sep 21, 2012 | 2001 Pontiac Grand Am SE

1 Answer

My 1999 2.4 dodge stratus wont run unless i unplug cam sensor its a new sensor and a new crank sensor


I'm having excatly same problem, found this sequence to ge the car running again..turn off ign, unplug cam position sensor, crank for 2 seconds, connect cam shaft sensor, crank again and it starts like that...

Apr 01, 2011 | 1999 Dodge Stratus

2 Answers

The diagnostic test shows no signal from camshaft sensor. I checked all the wires for breaks, and I replaced the camshaft sensor code (0340). The car turns over good, but it will not start. Any ideas as to...


Cam sensor? or Crank sensor? I know that the generic definition of DTC P0340 is "No cam signal at PCM" however, a crank sensor can also be the cause of this code.

A cam sensor normally will not cause a no-start. I can cause a long crank time before starting. The cam sensor signal is only used to sync the fuel injectors. If there is no cam sensor signal the computer will start firing all of the injectors on every revolution of the crankshaft to get the engine running. A crank sensor, however, will cause a no-start condition because it is used to control spark. If there is no crank signal there is no spark...period.

Part of the troubleshooting chart for DTC P0340 on your vehicle includes inspection of the crank sensor and checking for the crank sensor signal at the Powertrain Control Module.

Dec 19, 2010 | 2000 Chrysler LHS

1 Answer

98 dodge stratus,engine light came on and it died and won't start now.What could be wrong?


when you crank the engine over now, does it sound different than before? if yes, you probably have a broken timing belt. it is also common for the cam gear to slip out of position from the cam and cause an incorrect, but hard to diagnose, timing issue. other no start with check engine light on issues could be a faulty cam or crank sensor.

pull the codes from the vehicles computer. if there is a cam or crank sensor code, or if there is a code that says in some different wording "cam sensor signal does not match crank sensor singal", first check crankshaft to camshaft timing. if belt is ok and timing marks line up then i strongly suggest removing the bolt from the camshaft that holds the cam gear on. with the bolt and cam gear removed you should be able to tell if the cam gear has rotated on the camshaft. there should be a small pin sticking out of the camshaft. if it is broken off then you need to replace the camshaft. if the pin is still there and the timing is good then replace iether the cam or crank sensor depending on what code you have stored in the ecu memory. if the code is not for the cam/crank sensor then google search the code number e.g. "p0502" and your make and model.

Mar 23, 2010 | 1998 Dodge Stratus

1 Answer

Chrysler 300m 2001 starts after unplugging cam sensor


theres a reflash program that needs to be done on these cars, because of extended crank time and cam / crank syhcronizing out, start there,also i had one with same code and found that aftermarket cam sensors dont work, installed dealer part and had the updated reflashing done and solved the problem.

Jan 06, 2010 | 1999 Chrysler 300M

1 Answer

Car wont start


being 94' im sure it has high miles, cam and crank sensor common to fail over time do to wear and heat exposure. check the basic, make sure you getting fuel and sparks. fuel pump only work as long the engine is turning over due to the crank sensor sense the flywheel turning. crank sensor may be faulty. no sparks, check coil make sure is good and putting out 12v, auto zone can test it for free. good coil, than check cam sensor, cam sensor senses the cam turning and tell the ecu to tell the coil to disperse the sparks to the plugs. cam and crank sensors, there no way of testing it but replacing the unit unless you have the special equipment to test it; both is fairly cheap to replace, check ebay.

Oct 24, 2009 | 1994 Mazda MX-6

1 Answer

Vehicle stalls sometimes


could be either the cam sensor or crank sensor , but I would check the crank sensor first , this sensor will not cause a check engine light either

May 26, 2009 | 1999 Dodge Intrepid

2 Answers

1997 dodge intrepid


check the asd relay swap it with another like it. also check fuses and old car alarm if it had one.the cam and crank sensor will not affect fuel pressure. the cam sensor should not stop this car from starting. but the crank sensor will. good luck.

Nov 23, 2008 | 1994 Dodge Intrepid

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