RB25 speed sensor.

Discuss the RB20, RB25 and RB26 series engines.
2hipsis13
Posts: 13
Joined: Sun Mar 18, 2007 5:54 pm
Car: 1990 240sx RB25DET

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When it comes to inspecting the speed sensor what exactly should I look for or do to test if its bad ? I pulled it out tonight and looked it over, it doesn't have any missing teeth on the gears and for all I know it looks like its in great shape. However when I had the PFC in there was not a reading coming from the sensor to the PFC.

Also I found a piece of my bell housing missing that is no bigger than a dime.


Joe
Posts: 6511
Joined: Sun Feb 09, 2003 8:29 pm
Location: Phoenix, AZ

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im sorry a chunk of your bell housing is MISSING?

and if you hook the VSS to a multimeter and spin it, you will get a voltage reading.


2hipsis13
Posts: 13
Joined: Sun Mar 18, 2007 5:54 pm
Car: 1990 240sx RB25DET

Post

yes, approx a size of a dime. Its not leaking fluid but it got worrying a bit. Something must of hit it.


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