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Date:         Thu, 11 Dec 1997 14:53:15 -0500
Reply-To:     Dan Moy <danmoy@HOME.CYNET.NET>
Sender:       Vanagon mailing list <Vanagon@Gerry.SDSC.EDU>
From:         Dan Moy <danmoy@HOME.CYNET.NET>
Subject:      Re: oil loss connected to power loss?
Comments: To: Marcus Elia <jdeck@TRENTU.CA>
In-Reply-To:  <Pine.PMDF.3.95.971211114931.867053A-100000@trentu.ca>
Content-Type: TEXT/PLAIN; charset=US-ASCII

What about the Mass Air Flow Box. There was a problem as you describe and VW's solution was another harness in series with the existing plug to the MAF

Dan Moy danmoy@cynet.net

On Thu, 11 Dec 1997, Marcus Elia wrote:

> Rick: (and listmembers) > > [This is a continuation of a private e-mail exchange, which I have opend > up in case anyone else has input. Problem: power loss after 1 hour of > driving on highway.] > > Unfortunately (especially in summer) we don't have A/C. The engine > doesn't shut off entirely, it just runs bad except-- that after exiting > from the highway (where the problem _always_ pops up) and stopping at the > first stop sign, the engine will want to stall when the clutch is thrown > in. This is followed by very poor (almost non-existent) power pulling > away from said stop-sign. This sounds like a fuel-starved engine to me, > because in my other life I coach rowing, usually from an outboard-powered > tin boat: If my rowers, in setting up the motor and fuel tank, have > failed to open the vent on the tank, the engine dies after about 15 > minutes, only to be revived after opening the vent and much pumping of the > bulb on the gas hose. > > I recognize that being a thousand miles away from a test-drive, this is > pure theory for you, but is there any chance that this could be a problem > other than fuel delivery? I remember reading someone's submission > regarding the expansion of differently-composed engine parts, i.e. block > and heads: He wrote that it could take an hour for the engine to be > thoroughly hot, at which point a gasket might no longer make a good seal. > The person was talking about coolant getting into the cylinders; could > this be happening with oil? After these 1-hour episodes there is a > noticeable drop in oil level on the dipstick, but no coolant loss. I > don't have a oil pressure gauge, and the idiot light does not go on. > > The engine runs great up until that point, with ample power and > acceleration. My mechanic has said that if this was a injector or a valve > problem, it would be felt all the time, at 5km/h or 50km/h. > > Hoping there's a pearl of wisdom waiting to drop-- > > Marcus Elia > '84 Westy (Dela) >


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