Guys, this is the only fault code I came up with on my 16 port block..Socket 4 Fault 7. Starter Ring Gear Speed Sensor (L-3)? Can someone shed some light on this issue, THANKS!!!! Frank in VA.

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I had that at one point I loosened the wire as it was installed too tight and was pulling on the connector. Under side of passanger side by the fly wheel. Did you clear the code and check latter?

I did, keeps coming up...7 blinks, on pin 4. This PIC shows L-3 on the other side then what your saying??? wILL DOUBLE CHECK..see if I can find, and report back! THANKS!

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Yes I recall reading the pamphlet you illustrated and was surprised it was on the passenger side. Further into that manual describes a lengthy procedure how to check the sensor and circuit. It took me about 5 years to realize mine never worked. Once I did check the codes and investigated further it was a simple matter of relocating the tie down to give the cable some slack. That's when I realized I had a fast idle when the engine was cold. I'm sure glad I didn't have to proceed and go through that process to determine what was wrong. Is it giving you a major concern that you have a code?

My concern is NOT knowing what the issue really is, according to the fault code. I think your meaning the drivers side, that is what the illustration shows. I looked and looked didn't see anything that resembles L3. So far I don't know what the sensor looks like, or where it is, or what it does? Is it part of the turbo boost system, or something else? thanks!

just found this over @ 124 performance..gives more more clarity.

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speed starter ring gear sensor.pdf (683.5 KB, 349 views)