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944_science 944_science is offline
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Join Date: Jan 2009
Location: Relocated to Alpharetta, GA
Posts: 124
Speed Reference Sensor and Tach Bounce

I've checked the speed and reference sensors per Clark's and got the following:

DG: 8-27: 35K ohm
8-23: 0.9M ohm

BG: 25-26: 154K ohm
25-78: 153K ohm

I guess I thought the car wouldn't run, or would run a lot worse at these values. This might explain the random cutting out of the engine I'm experiencing! Just wondering what kind of number anyone has gotten on their failing sensors.

Also wondering what magnitude of Tach bounce I should see when cranking the engine? The Tach moves but is barely noticeable.
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Current: 2014 Jetta SE 1.8L Turbo
2001 Civic 4 door, totaled
Red 1985.5 944 NA sold
Maroon 1985.5 944 NA sold

Last edited by 944_science; 02-06-2009 at 10:01 PM..
Old 02-06-2009, 09:54 PM
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