Date: Sat, 15 Sep 2007 17:49:18 -0700
Reply-To: Michael Elliott <camping.elliott@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Michael Elliott <camping.elliott@GMAIL.COM>
Subject: Re: Rich on side, lean the other?
In-Reply-To: <46EC7BB5.90204@verizon.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
A brilliant and obvious idea!!!!!
Like -- duh!
I know that the fuel lines going into the injectors are high pressure. I
could use a pointer to a tutorial on how to handle the hoses when I do
this swap.
--
Mike "Rocket J Squirrel" Elliott
71 Type 2: the Wonderbus
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
KG6RCR
On 9/15/2007 5:41 PM Mike Collum wrote:
> Just for grins, Mike, have you tried swapping the injectors from one
> side to the other to see if the indications change?
>
> Mike
>
>
>
> Michael Elliott wrote:
>> I'm hunting for the reason that Mellow Yellow gets about 15% poorer
>> mileage than other similar vans. See
>>
>> http://camping.elliott.googlepages.com/poormileage
>>
>> to see what I've learned so far about this 1.9L 1984 auto transmission
>> with only 75,000 miles on it.
>>
>> One oddness I've found is that both plugs on the passenger side indicate
>> lean condition, while the plugs on driver's side indicate rich condition.
>> Where could such an asymmetry come from?
>>
>> There are NO visible signs of air leaks. The intake runners don't have any
>> cracks, are tightened well against heads; the plenum/runner sleeves are
>> clean and intact; and there are NO cracks in the exhaust bits that might
>> cause a false-lean reading at the O2 sensor -- this is a southern
>> California car and we outlawed snow and salt in 1932.
>>
>> This lateral mixture imbalance has me quite puzzled. I am getting little
>> fret marks between my eyebrows! I'm dumping in a buttload of Techron
>> injector cleaner in case the injectors on the lean side are packed up and
>> the ECU is overcompensating by running #3 and #4 rich.
>>
>> But . . . and but, the overall mix at the O2 sensor indicates /lean/ on
>> the highway, oddly (see
>> http://camping.elliott.googlepages.com/poormileage).
>>
>> I am replacing the O2 sensor on Monday. Because.
>>
>> --
>> Mike "Rocket J Squirrel" Elliott
>> 71 Type 2: the Wonderbus
>> 84 Westfalia: Mellow Yellow ("The Electrical Banana")
>> 74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
>> KG6RCR
>>
>
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