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Re: temp guage bouncing all over???? Posted by Ari [Email] ![]() ![]() In Reply to: temp guage bouncing all over????, Mark Wessner, Mon, 17 Apr 2006 05:11:12 Members do not see ads below this line. - Help Keep This Site Online - Signup |
There are two coolant temperature sensors. The one under the intake manifold flange, on the back of the engine is for the engine control. The one on the left side of the engine, right next to the thermostat housing is the one that drives the temperature display. That's the one to focus on.
Yes. the EDU does modify the signal, but it smooths it out. If you've got the gauge dropping to zero, that means there is a bad wire connection. It could be at the sensor, the sensor itself, or the connection inside the EDU. Since getting into the EDU requires taking the top of the dash off, focus on the sensor.
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