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Old 10-31-2016, 12:32 PM   #4 (permalink)
Cyborg ECU
California98Civic's Avatar
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,137

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 2,321
Thanked 2,058 Times in 1,401 Posts
Do you have a 49 state, non-Cali Civic? Where was it originally sold? Because the p07-a01 is for the Cali VX and there is a p07-a00 that is for the non-Cali VXs, I believe. I would not expect the dealer to know, necessarily. These cars are over 20 years old and beginning in 1996 with the HX and OBD2 there was no longer a cali/non-cali distinction. If you have the wrong VX ECU for your VX you will get codes, because the Cali VX was not able to do lean burn (SMOG rules).

Oh! And it might also be the A00/A01 difference might be between auto and manual transmissions. Do what Balto is suggesting, or take it back to the dealer armed with these new possibilities and see what trouble shotting they can do. They should get it right.
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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