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You need a scope or a graphing multi-meter to test these sensors. You need to be able to see the wave form pattern to determine if they are working properly. 2 wire sensors are AC signal generators and you should not be testing these unless you know what you are doing as they generate AC current. You can ohm test 2 wire sensors when they are disconnected. Not a reliable way make a positive diagnosis unless they are out of range. In range sensors can still be bad. 3 wire sensors are hall effect type sensors and produce a square wave form. They are not dangerous to test you just need the right equipment and knowledge.
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Try unplugging and wd40 spray in them and re plug harnist connections under bonnit, and check that the crank censers have not picked up iron dust from bellhousing as crank censors are magnetic Re: Jeff
look did u replace the censor where harmonic balancer is an the an the crank censor they are both like magnitos theres a metal fan blade looking thing that rotates through it make sure its not damaged an locked down let me know my email is [email protected]
the best thing to do is have the cpu read for any fult codes it could be some thing like the crank shaft censor playing up or the cam shaft censor but the problem is in the cpu
The 3.9L 5.2L and 5.9L engine use the distributor assembly as your cam sensor . The crank sensor is on right rear attached to engine block (behind cylinder head)
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