Fuelly Forums - Hypermiling habits to blame for DBW throttle weirdness?

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Fuelly Forums (https://www.fuelly.com/forums/)

- Hypermiling (https://www.fuelly.com/forums/f33/)

- - Hypermiling habits to blame for DBW throttle weirdness? (https://www.fuelly.com/forums/f33/hypermiling-habits-to-blame-for-dbw-throttle-weirdness-9522.html)

slurp812

12-14-2008 07:53 AM

Quote:

Originally Posted by theholycow (Post 112693)

Thanks for the response. :) That's definitely not the issue, it's only got 8,000 miles on it.

It doesn't stall or slow, it just fails to accelerate.

Drive by wire, 8000 miles huh? The only thing I can think of would be to reset the ECU...

theholycow

12-14-2008 08:41 AM

Actually, I finally figured it out, once I observed the conditions better and reproduced it more accurately. I got the timing pretty perfect and realized that it's preventing >3000rpm on startup; if I just let the tach rise then fall a few hundred RPM then it's all better. So, my procedure is this:
Normal bump start
Accelerate to 3000 rpm fuel cut
Let off the gas and on the clutch for a few seconds until it revs down to 2700rpm (thanks, rev hang)
Resume driving without further difficulty

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