Date: Thu, 24 Jan 2013 11:59:10 -0700
Reply-To: Karl Wolz <wolzphoto@Q.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Karl Wolz <wolzphoto@Q.COM>
Subject: Re: TERRIBLE GAS MILEAGE/Running Cold?
In-Reply-To: <CAH3v19+CDK6WWZ7jDoZE6kD9x4uAXNwzVGVqVVJVBkZx-f+Fug@mail.gmail.com>
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I'm going with bad o2 sensor. Is the inside of your tailpipe real sooty?
Karl Wolz
Sent from my electronic umbilicus
On Jan 24, 2013, at 11:04 AM, Craig Cowan <phishman068@GMAIL.COM> wrote:
> This is the non zetec van.
> Hoses are in stock position.
> Bleeder valve closed.
>
> Yes, It's cold here in western PA, but not unreasonably so. About 15*F
> today.
>
> -Craig
>
>
> On Thu, Jan 24, 2013 at 1:00 PM, neil n <musomuso@gmail.com> wrote:
>
>> If possible, can you pull over and get a reading with an infrared gun
>> after temp gauge drops?
>>
>> I'd suggest confirming coolant temps at-near the temp sensors.
>>
>> Disconnect the O2. See if fuel efficiency changes. Check that the O2
>> signal wire isn't shorting to the outer ground sheathing.
>>
>> a few images of those wires starting here:
>> https://picasaweb.google.com/musomuso/New1988Westy#5748856721901671282
>>
>> Neil.
>>
>> On Thu, Jan 24, 2013 at 9:26 AM, Craig Cowan <phishman068@gmail.com>
>> wrote:
>>
>>> Hello Gang!
>>> My '90 GL (Automatic) is giving me troubles.
>>
>>> I had previously had a problem with the temp gauge never rising above 1/3
>>> on the gauge and it wouldn't make good heat. Of course I had a bad dash
>>> blower, so wasn't all that sure on the heat.
>>> Gas mileage was always bad. 14mpg max.
>>> Well last weekend I finally replaced the thermostat and things were
>> looking
>>> good! The temp gauge would now read right in the middle, and with the new
>>> dash blower as well, i now had heat!
>>> But surprisingly, the gas mileage suffered still.
>>> Yesterday I filled up and found I had gotten 10.5mpg on that tank.
>>>
>>> Today I did some highway driving. This bus runs like a champ! Seriously
>>> good power, however I now see that the temp gauge will drop all the way
>> to
>>> the bottom if I cruise at anything above 60mph. Anything below 50mph will
>>> maintain the temp gauge right in the middle, where it should be.
>>> I've never seen this happen. Any ideas?
>>
>>
>>
>>
>> --
>> Neil n
>>
>> 65 kb image Myford Ready For Assembly http://tinyurl.com/64sx4rp
>>
>> '88 Slate Blue Westy to be named.
>>
>> '81 VanaJetta 2.0 "Jaco" http://tubaneil.googlepages.com/
>>
>> Vanagon VAG Gas I4/VR Swap Google Group:
>>
>>
>> http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines
>>
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