Trying locate reference sensor on 887 944 porsche and the wiring so I can try and wiggle it. My tach has no bounce so I'm thinking that it could be the reference/speed sensor and was going to check the connection also. So where is it at Lol......... and can I cross reference this part and get it at my local Advance Auto parts or not. Just out of the blue it just cranks and I have switched DME and thats not it so...................... please help
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it's on the bellhousing. If you look through the birds nest of wires behind the intake (closest to the windshield) you can follow the wires from the harness (I have a turbo, but the harness connects where the O2 sensor connector is located) down to the bellhousing. They are hard to get to with the intake on - not sure on a NA though since the turbo won't be in the way.