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Subject:Thirsty motor with low power to 2,500 rpms. What's up?
From:Greg Potts
Date:Wed, 14 Oct 2009 07:34:41 -0400

Hi Volks,

I now have about 1000 miles on the replacement engine in my Vanagon.
It's running smoothly, but is not making as much power as I'd like. If I
wind it out before easing out the clutch it almost drives like a normal
van, but it's also getting only about 200 miles to a tank of fuel, so I
suspect something strange is going on. It idles well but bogs when you
start rolling if you drive it normally.

It's a 1.9 running later model FI and cooling in a 1987 chassis. The FI
and cooling parts came off the previous engine after it was severely
messed up by a thermostat failure. The replacement engine is a low-miles
VW of Canada reman which just needed its head gaskets replaced when the
PO dumped it in favour of a zetec. Compression was checked after the new
gaskets were installed and reads at 185/185/170/175. Lifters were
initially an issue but they have been readjusted and are now much
quieter. (read: silent).

Timing is adjusted. Distributor and wires are new. O2 sensor is
installed. The Ken Lewis O2 sensor widget shows the ECU is correcting
the mixture. Frank Condelli helped set up the throttle position sensor
at a recent VW get-together at Bon Echo Provincial Park so I know that's
working.

Happy Trails,

Greg Potts
1973/74/79 Westfakia "Bob the Tomato"
1987 Wolfsburg Weekender Hardtop
www.busesofthecorn.com
www.pottsfamily.ca

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