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Old 01-02-2011, 02:15 AM   #5 (permalink)
Jim-Bob
Junkyard Engineer
 
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Join Date: Dec 2010
Location: New Port Richey, Florida
Posts: 167

Super-Metro! - '92 Geo Metro Base

$250 Pizza Delivery Car - '91 Geo Metro Base
Team Metro
90 day: 43.75 mpg (US)

Fronty the wonder truck - '98 Nissan Frontier XE
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Congratulations on joining the Metro owner's fraternity. I have no doubt that you will see the 50 mpg mark on a regular basis once you get the car sorted out. I would check to see that the computer is operating in closed loop by checking the coolant temp sensor ( green plug on the throttle body). Remember that if the computer does not sense the right temperature, it will never start reading the O2 sensor and fuel economy will suffer. I'd also see where your tire pressures are at and change the transmission oil to Pennzoil Synchromesh. You're very close. Fixing the minor things will likely put you over the top.
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(Note: the car sees 100% city driving and is EPA rated at 37 mpg city)
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