No, fuel cut off only occurs when the engine is warmed up enough for closed loop operation. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of pickle vanagon Sent: Saturday, August 30, 2008 1:19 AM To: vanagon@GERRY.VANAGON.COM Subject: Re: When the O2 sensor cools down... On Fri, Aug 29, 2008 at 10:25 PM, Dennis Haynes <d23haynes57@hotmail.com>wrote: > Engine braking is strictly a function of the closed throttle causing high > manifold vacuum as the engine is being driven by the wheels. Yes, engine > braking is caused by vacuum, not compression. > What I meant to ask, is whether the ECU still shuts off fuel to the injectors above the cutoff (I thought it was 2000rpms?) at zero throttle even if it is not yet in closed loop mode. It makes sense that it would, I just can't verify this with the mixture meter since the o2 sensor is nonfunctional at this point. |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.