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Discussion Starter #1
How do I go about doing this? What voltage am I looking for?

I'm on my never ending search for 25MPG or better, and so far the following HASNT worked

Automatic ECU
New plug wires
New air filter
New Z32 fuel filter
More tire pressure
driving very slowly
Running Premium

Car runs great, idles fine, no bogging or cut-out...just crappy MPG.
 

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Well I get better than 25 for sure. I do get around 30. To test my old sender I had my buddy hold a lighter up to it while it was still plugged into the harness (it was out of the engine of course). If your gauge doesn't move after that you have a bad sender. I picked mine up at O'reily's for 16.99 i thnk? And then it worked perfect. If your getting a temp reading you're probably alright.
 
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