Mine too, its been suggested FPR or injectors.

Clive
'88 Syncro Transporter

----- Original Message -----
From: "Rob Wright" <wright@APS.ANL.GOV>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, September 18, 2002 12:29 AM
Subject: 1.9 to 2.1 running rich???

> I just replaced my 1.9 liter engine with a 2.1 and am having some
> problems. The van is running way to rich and I'm not sure why. The temp
> 11 sensor seems to be working, checked it per Bentley. I am using the
> 2.1 exhaust and the o2 sensor is located in the cat instead of the pipe.
> Would this make a difference? Would a vaccumm leak cause it to run rich?
> Any Ideas?
>
> TIA Rob Wright