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Old 06-28-2008, 04:35 AM   #19 (permalink)
justpassntime
What? THIS IS MY GOOD CAR
 
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Join Date: Jun 2008
Location: Eastern Washington
Posts: 285

The Japillac - '87 Honda Accord LXi Sedan
90 day: 31.77 mpg (US)

Ranchero GT - '73 Ford Ranchero GT

Spaz - '83 Chevy S10 4X4 Tahoe
90 day: 27.53 mpg (US)
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Atmospheric/Barometric Sensor

It is so much easier if your car has a atmospheric or barometric pressure sensor.

This sensor, depending on what your particular manufacturer calls it, controls the fuel mixture by sensing the ambient pressure at what ever altitude you are driving. The higher the altitude the leaner the fuel mixture.

All you do is put a 25k potentiometer switch on it and turn it down till the idle speed changes. All you are doing is telling the ECU you are driving at a higher altitude than you really are. There are no problems with warning lights or ecu problems this way.

Just be cautious you don't do to far or you can burn pistons or valves due to higher cylinder temperatures.
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