Hi:

I'm not an expert, nowhere near it, but leaky injectors could be a problem,
no?

Marshall Ruskin
84 Westy
-----Original Message-----
From: David R. Paterson <dppat@EARTHLINK.NET>
To: vanagon@GERRY.VANAGON.COM <vanagon@GERRY.VANAGON.COM>
Date: Monday, February 08, 1999 6:20 AM
Subject: Re: FI mixture adjust?/ Running Rich

>Hello All,
>
>I've been having a problem with my fuel injection system for months now. No
>one can seem to fix it. I have installed all new sensors, AFM, checked,
>cleaned and reconnected all grounds. After I installed the AFM she ran
>great for about two weeks, then without warning back to running extremely
>rich, I get a normal running voltage of .95v on the O2 sensor after warm up
>with a peak of over 1v. However, when idling O2 fluctuates normally. All
>other sensor readings on the Digitool are normal. The fuel pressure is
>normal I'm told by the latest mechanic to check it.
>
>This is a real teaser<<also a pain in the butt>> It seems that the engine
>is getting extra fuel from somewhere and that the O2 sensor cannot adjust
>the mixture enough. I have a rebuilt 2.1 with 1:2.5 ratio rockers, is there
>anyway that these could be causing the problem? And if so, why would it run
>great for awhile then get so rich?
>
>Any help would be greatly appreciated.
>Thanks
>Dave
>