[Diy_efi] DIY WB as daily driver

Thu Jun 20 14:23:42 GMT 2002

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I am planning to start an extended period of tuning and have fitted two
DIY - wideband lambdas using the standard 3 wire Lambda bungs just
behind the turbos on my car.

The exhaust gas temperature seen just after the sensor is 700 C to 850 C
when cruising and up to 950 deg C ( 1750 deg F )for some occasional flat
out stuff.

Bruce Roe said a couple of days ago that the DIY-WB does not control the
sensor temperature.

What kind of life expectancy can I expect from the DIY-WB in the
temperatures seen above?=20

Thanks

Hugh Keir=20

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<TITLE>DIY WB as daily driver</TITLE>
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<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"></SPAN><A NAME=3D""><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier New">I am planning to =
start an extended period of tuning and have fitted =
two</FONT></SPAN></A><SPAN LANG=3D"en-us"> <FONT SIZE=3D2 =
FACE=3D"Courier New">DIY -</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT =
SIZE=3D2 FACE=3D"Courier New">wideband lambdas</FONT></SPAN><SPAN =
LANG=3D"en-us"> <FONT SIZE=3D2 FACE=3D"Courier New">using the =
standard</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT SIZE=3D2 =
FACE=3D"Courier New">3 wire</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT =
SIZE=3D2 FACE=3D"Courier New">Lambda bungs</FONT></SPAN><SPAN =
LANG=3D"en-us"> <FONT SIZE=3D2 FACE=3D"Courier New">just behind the =
turbos on my car.</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">The exhaust gas</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT SIZE=3D2 =
FACE=3D"Courier New">temperature</FONT></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 FACE=3D"Courier New"></FONT></SPAN><SPAN LANG=3D"en-us"> <FONT =
SIZE=3D2 FACE=3D"Courier New">seen</FONT></SPAN><SPAN LANG=3D"en-us"> =
<FONT SIZE=3D2 FACE=3D"Courier New">just after the =
sensor</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT SIZE=3D2 FACE=3D"Courier =
New">is</FONT></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New"> 7</FONT></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">0</FONT></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">0 C to 850 C when cruising</FONT></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 FACE=3D"Courier New"></FONT></SPAN><SPAN LANG=3D"en-us"> <FONT =
SIZE=3D2 FACE=3D"Courier New">and</FONT></SPAN><SPAN LANG=3D"en-us"> =
<FONT SIZE=3D2 FACE=3D"Courier New">up to 950</FONT></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier New"> deg C =
(</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT SIZE=3D2 FACE=3D"Courier =
New">1750 deg F )</FONT></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Courier New">for some occasional flat out =
stuff</FONT></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">.</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">Bruce Roe said a couple of days ago that</FONT></SPAN><SPAN =
LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-us"> =
<FONT SIZE=3D2 FACE=3D"Courier New">the DIY-WB does not control the =
sensor</FONT></SPAN><SPAN LANG=3D"en-gb"></SPAN><SPAN =
LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Courier New"> temperature.</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">What kind of life expectancy can I expect from =
the</FONT></SPAN><SPAN LANG=3D"en-gb"></SPAN><SPAN =
LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-us"> <FONT SIZE=3D2 =
FACE=3D"Courier New">DIY-WB</FONT></SPAN><SPAN =
LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-us"> =
<FONT SIZE=3D2 FACE=3D"Courier New">in the</FONT></SPAN><SPAN =
LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-gb"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier New"> =
temperature</FONT></SPAN><SPAN LANG=3D"en-gb"></SPAN><SPAN =
LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Courier New">s</FONT></SPAN><SPAN LANG=3D"en-gb"></SPAN><SPAN =
LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Courier New"></FONT></SPAN><SPAN LANG=3D"en-gb"></SPAN><SPAN =
LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-us"> <FONT SIZE=3D2 =
FACE=3D"Courier New">seen above?</FONT></SPAN><SPAN =
LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-gb"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier New"> </FONT></SPAN></P>
<BR>
<BR>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">Thanks</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">Hugh Keir</FONT></SPAN><SPAN LANG=3D"en-gb"></SPAN><SPAN =
LANG=3D"en-gb"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Courier New"></FONT></SPAN><SPAN LANG=3D"en-gb"> </SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"></SPAN></P>

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