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Old 10-09-2001, 03:42 PM
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G-Benz G-Benz is offline
Razorback Soccer Dad
Join Date: Apr 2001
Location: Dallas/Fort-Worth
Posts: 5,711
I concur about the O2 sensor...if it's not doing its job, then it can't tell the ECU to adjust the mixture to correct the situation.

I don't know if a check engine light comes on for the O2 sensor on the '85. Obviously, it's not sending any codes...
2009 ML350 (84K) - Family vehicle
2001 CLK430 Cabriolet (71K) - Wife's car
2005 BMW 645CI (124K) - My daily driver
2012 Mustang V6 (60K) - Daughter's car
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