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Old 03-09-2015, 01:13 PM   #31 (permalink)
Cyborg ECU
 
California98Civic's Avatar
 
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,297

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: 2,373
Thanked 2,155 Times in 1,463 Posts
Yeah I hear you. I'm grateful for the advice. Looks like Honda tech is going relatively silent on these older Hondas, now that the k-series is well established, with a good aftermarket culture, and wide sales. Too bad for me. Thanks!

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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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Old 03-10-2015, 11:23 PM   #32 (permalink)
Cyborg ECU
 
California98Civic's Avatar
 
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,297

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: 2,373
Thanked 2,155 Times in 1,463 Posts
After another lost day to a second non-functioning fuel pressure gauge rental kit, I got to retest with a new test kit today. I think I did my first test of the fuel pressure incorrectly. The FSM does not say, but I now think I needed to be running the car when I tested the regulator. With my second new regulator installed, I ran the engine and tested. All pressure normal. Longterm fuel trim slowly returned to normal. I cannot retest the OEM regulator, but I also can't say for sure it failed the test I thought it failed. I also replaced the fuel filter, since it is maybe 4 years old and I had the assembly partly dismantled anyway.

I'm going to drive the car, with the new, more restrictive, WAI removed so I can see if the problem will return.

If the problem returns, I will know to check for vacuum line leaks too.

James

__________________
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.




Last edited by California98Civic; 03-11-2015 at 12:35 AM..
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