[Gmecm] Still Tracker TBI Problems

[Ford, Pat]

 I don't know why it doesn't trip the light either, for me the indicator
was the heater wires melted. Mine died from water immersion when hot and
I think the heater came apart and did bad stuff before shorting to
ground.

Pat 

-----Original Message-----
From: gmecm-bounces at diy-efi.org [mailto:gmecm-bounces at diy-efi.org] On
Behalf Of Cowen
Sent: Tuesday, February 06, 2007 12:05 PM
To: gmecm at diy-efi.org
Subject: [Gmecm] Still Tracker TBI Problems

Hello folks,in trying to correct high CO and low mileage from my wife's
1992 Tracker, I've encountered something I didn't expect.  Yesterday,
while trying to test the O2 sensor with a multimeter (indeciferable
readings, will try again tonight), I was running the can with the O2
disconnected.  It did not trigger the MIL! 
 
Now, the MIL functioned when I disconnected the IAT, so I know the light
and wiring are good.  How can a sensor as important as the O2 sensor NOT
trigger the light?

Unfortunately, I was low on time and I didn't try to pull a code last
night.  Does anyone have an idea why the O2 failure would not trigger
the MIL?

Insurance runs out Thursday, so I'm getting desperate to find out why
it's not running right!  To date, I've swapped the ecm, TB, and all
sensors except CTS (swapping it tonight) with little effect.

Thanks folks,
Duncan

**********************END TRANSMISSION**********************


 
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