Question about GMC Cars & Trucks
I want to check for resistance on a 2 wire crankshaft position sensor what number do i reset the meter on and what the resistance numbers are can you send me pictures showing how to do this test? 2004 gmc envoy slt 4.2l
Set the meter mode to the ohms sign ( omega sign) set the scale to position the decimal point if the resistance is to large for the standard setting
to know what you are reading you will need to get the numbers from a workshop manual so that you can compare what you have to what it should be
it the sensor is working you should get a reading but if it goes straight all 000000 then there is a dead short or if it reads what you have when you switch the meter on it will be an open circuit --broken wire --
the test procedure is in the workshop manual
Posted on Dec 17, 2016
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Posted on Jan 02, 2017
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The Crankshaft Position (CKP) sensor monitors crankshaft position and speed. Your vehicle computer uses this information, along with data from other vehicle sensors, to maintain ignition timing. As a result, problems with the crank sensor or circuit will prevent the engine from starting. If you suspect a bad CKP on your car, follow this guide to test the unit and, if necessary, replace it.
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To remove the sensor:
Spacer on crankshaft timing sensor and camshaft position sensor.
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