Question about 1999 Chevrolet Tahoe

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What is crank sensor

Will not start

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The crank sensor is located at the bottom end of the engine it counts the rotation of the crank in relevance to the camshaft sensor, it relates to the timing of the car. The crank is the rotating assembly inside the oil pan the pushes the pistons up and down.

Posted on Jan 04, 2014

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1997 Chevy pick up 4.3 I though it was the coolant sensor because a code camr out


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is it a no crank or crank no start?
Possible causes for code P0335
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Read more: http://engine-codes.com/p0335.html#ixzz3Cxw6SN6O

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Crank position sensor


Check if you have spark on a plug wire when it is cranking over and wont start. If you have no spark, a good guess is the crank position sensor. Often the cause of no spark, but could also be the ignition control module, the camshaft position sensor, or the pcm. If you want to be sure before replacing the sensor, have the sensor tested while on the car. A shop could test it.

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Sep 21, 2012 | 2001 Pontiac Grand Am SE

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2000 v10 ford f350 wont start with out either


If the crank sensor circuit is malfunctioning, then that is your problem. The code does not mean that you must replace your crank sensor. (sometimes it means this, sometimes it does not) The code means that either the crank sensor CIRCUIT is out of range or the crank sensor cannot SYNCRONIZE with the cam sensor. There is a whole lot more to diagnosing a crank sensor circuit than simply replacing the crank sensor. Proper diagnostic procedures need to be followed to locate the exact cause of the problem.

Nov 18, 2011 | Cars & Trucks

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Getting no spark. a recent code mentioned the crank sensor and o2 sensor. the o2 sensor was replaced and no new code has shown but it only ran once since then. would like to know where the crank sensor...


O2 sensor won't cause a no spark no start condition but the crank sensor will. most time bad crank sensor will not set a code if engine doesn't start. usually set code on o drop while driving. I would check connection at sensor if good then replace sensor.

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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.

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Not sure what yor experiencing . Do you have crank no start or no crank no start? No crank no start is battery and cables issue. Crank no start is ignition , plugs, and fuel.

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Wont start


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