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Car Forum / Honda Cars / July 2004Blipping throttle prior to engine shutoff
Hi guys, I have developed this habit of blipping my throttle slightly (anywhere from 500-1000 rpm above idle) and then shutting the engine off immediately before the revs have a chance to drop. I have noticed that my car is much easier to start. Should I have any reason to believe this is damaging to the engine? (B16A3) 95 del sol VTEC. yes. unburnt fuel dilutes the oil film on the cylinder wall. > Hi guys, > [quoted text clipped - 6 lines] > > 95 del sol VTEC. that is a very interesting point. thank you for the reply, i hadn't thought of that. do you mind going into detail a little? Since the camshaft continues to spin momentarily even though ignition was turned off, wouldn't that mean that my valves continue to open and close thereby venting the air/fuel mixture? > yes. unburnt fuel dilutes the oil film on the cylinder wall. > [quoted text clipped - 8 lines] >> >> 95 del sol VTEC. I would buy that argument on an older carburated model but not a newer fuel injected car where emmissions are very low even on deceleration such as a throttle blip. This low emmission engine would not be putting any significant amount of fuel into the cylinders. FYI I see no correlation between what you describe and an easier start when you get in next time. The only thing that I can think of that would have any effect is fuel pressure but that would be holding steady pretty much the same no matter what you did prior to shutoff. I think this is in your head. Time it with a stopwatch next time. CaptainKrunch > that is a very interesting point. thank you for the reply, i hadn't > thought of that. do you mind going into detail a little? Since the [quoted text clipped - 14 lines] > >> > >> 95 del sol VTEC. Don't worry, you'll outgrow it. > Hi guys, > [quoted text clipped - 6 lines] > > 95 del sol VTEC. > Hi guys, > [quoted text clipped - 6 lines] > > 95 del sol VTEC. ================= I HAD to do that on an old junker VOLVO, or it wouldn't shut OFF, but in your case, If it was starting poorly, maybe you just need to run a can of Techron fuel injector cleaner through it? Read the part in your manual that describes 'cold weather / high altitude /flooding' Our Odyssey had an injector sticking open, and starting in the AM was terrible until we figured it was flooding overnight. 'Curly' |
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