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Old 06-30-2019, 04:20 PM   #4 (permalink)
California98Civic
Cyborg ECU
 
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 5,219

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.37 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 1,859
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Agree with 2000mc. Despite adjusting fuel trim, the ecu will still know the fueling is out of spec and "broken" and so the CEL will stay lit. Check your Illinois smog test rules. If like Cali, then a CEL is an automatic fail.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.

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