I'm with Ken on the low voltage. If the engine was cool, the ECU would have adjusted the mixture to suit, not made it too rich.
On Feb 17, 2008 6:19 AM, Matt Sutton <msutts@earthlink.net> wrote: > Hello folks, > > Last Monday, after driving on the highway for a 1/2 hr in cold weather, I > had a sudden loss of power accompanied by the unmistakable smell of a rich > running engine. I'd had the front and rear heater blowers going, and for > lack of anything else to try I turned them off. The engine's power > returned > almost immediately. > > Things have been fine since, but I haven't had the occasion to run the > heat > full blast either. I've been wondering what happened and came up with a > couple ideas: > > #1: I'd overcooled the engine somehow, throwing off the air/fuel mixture. > > #2: Since everything (wiring, blower motors, etc) is old, running the > blowers caused a voltage drop across the whole electrical system. With all > the FI sensors giving info to the ECU by resistance to a specific voltage, > perhaps the voltage drop creates misinformation. Or even effects the ECU's > functioning. > > No crisis, but anything that helps with understanding how these things > work > is good for me. > > Best, > > Matt Sutton > 88 GL 4sp > Brooklyn NY >
-- Jake 1984 Vanagon GL 1986 Westy Weekender "Dixie" Crescent Beach, BC www.crescentbeachguitar.com http://subyjake.googlepages.com/ |
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