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Subject:Re: I-4 coversion developing power troubles
From:neil N
Date:Wed, 27 May 2009 12:31:21 -0700

On Wed, May 27, 2009 at 12:17 PM, Dave Woolridge
<Dave.Woolridge@mi.mun.ca> wrote:
> Hi All
>
> The OBD is installed and this mechanic has the reader for it. �No codes are coming up or at least he is not saying there are any. �But he did decide that with no codes showing it was the mass air flow, so we changed it, to no effect.

IMO, a good sign in terms of actual engine conversion. (person who did
the conversion knew to wire that in)

> The engine is mid 90s' but I am not certain exactly the age or engine code. �Where can I find the code and will it precisely reveal the age? �I have been told it is probably 96 and is I think it is digifant.

Code should be on engine block. Driver side. (lower side of block if
mounted at diesel vanagon angle 50*)

> As for the water there were several rust holes on the top of the tank, the water came in through a combination of driving in a massive thunderstorm and a trip to a comercial car wash. �After driving it for 100 km on the highway, I am positive I can hear the fuel pump so may be that needs changing, not sure about the filter.

This could account for the problems. Blocked fuel flow and/or failing
pump. (or damage from water? Anyone?)

Pump noise could also be due to cavitation.

Best of luck!

Neil.

-- 
Neil Nicholson '81 VanaJetta 2.0 "Jaco"

http://tubaneil.googlepages.com/

http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines