Clogged return line or injectors is possible but not likely. more likely the
O2 sensor or the AFM.

Chris DeLong
Fine Tuning
206.367.5503
www.finetuningperformance.com
Seattle, WA USA

>From: George Averill <averill@LDL.NET>
>Reply-To: George Averill <averill@LDL.NET>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Need information on Bosch temperature sensors (More on 8 miles to
>             the gallon)
>Date: Fri, 18 Apr 2003 23:23:56 -0400
>
>First, let me say, "Thanks" to all who have responded with suggestions for
>solving the 8 miles to the gallon problem with my van.  I am working on the
>problem.
>
>Does anyone know where I can find the specs for the following sensors?
>Bosch 191
>Bosch 346
>
>The 341 came with my engine.  I thought it was defective and replaced it.
>The 346 was sold to me as a replacement and the range seems to be different
>from the 341.  I am trying to determine if the 346 is defective.  I ran a
>temperature/resistance check on both.  The old 341 seems to be within the
>specs in the manual, but the 346 isn't.
>
>I replaced the 346 with the old 341 which seemed to check out OK.  Still
>have a problem with mileage.
>Dealer is ordering some parts to try.  The fuel pressure is within range.
>One suggestion is that the return fuel line from the injectors could be
>clogged up and causing the problem.  Is this possible?
>Thanks.
>George

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