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Old 04-21-2015, 12:22 AM   #21 (permalink)
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What kind of refresh rate does the UltraGauge OBDII have, group? It looks fairly fast on the web page, but...
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Old 04-21-2015, 12:58 AM   #22 (permalink)
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97 Civic HX sedan VX trans - '98 Honda Civic LX + HX + VX
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I'd say 1 time a second. It's due to the K-Line our cars use. The ultragauge will be faster with different protocols.
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Old 04-21-2015, 01:33 AM   #23 (permalink)
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A mechanic friend of mine on Facebook commented on what might be affecting the Teal car:

"PCV valve... vacuum hose disconnected... Cam timing 1 tooth off (IF the T-belt has been done)... weak/failing O2 sensor... weak/failing fuel injector(s)..."

Some of that sounds too expensive.
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Old 04-21-2015, 01:38 AM   #24 (permalink)
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Well if you want to get all technical about it.

Dragging brakes, low tire pressure, hole in fuel tank, leaky fuel lines, valve adjustment, etc etc....can go on for days speculating.

Do your basic tune up, log at least two tanks. Go from there.
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Old 04-21-2015, 01:40 AM   #25 (permalink)
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You need to start more formal testing of stuff. Do you have a service manual? The 1998 Civic's service manuals are freely available online if you search effectively. I have the 1400+ page 1996-1998 and 1996-2000 manuals in PDF form... got them free online. They have great trouble shooting charts.
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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 04-21-2015, 12:12 PM   #26 (permalink)
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Quote:
Originally Posted by California98Civic View Post
You need to start more formal testing of stuff. Do you have a service manual? The 1998 Civic's service manuals are freely available online if you search effectively. I have the 1400+ page 1996-1998 and 1996-2000 manuals in PDF form... got them free online. They have great trouble shooting charts.
69 megs, 2198 pages.
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Old 04-21-2015, 12:25 PM   #27 (permalink)
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Maybe a compression test would be a good place to start as well.
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Old 04-21-2015, 01:00 PM   #28 (permalink)
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Maybe a compression test would be a good place to start as well.
We had a mechanic look over both cars before buying them, and that was done.
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Old 04-21-2015, 01:47 PM   #29 (permalink)
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Originally Posted by MamaBear2015 View Post
69 megs, 2198 pages.
Score!
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Old 04-21-2015, 06:24 PM   #30 (permalink)
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We had a mechanic look over both cars before buying them, and that was done.
How did the mechanic mix the tar filled air filter and other things you found on your own?

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