Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

ERG controller broken and 'Heated Oxygen Sensor Slow to Respond' error.

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Old Apr 8, 2010 | 04:50 PM
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Default ERG controller broken and 'Heated Oxygen Sensor Slow to Respond' error.

Hey guys! The ERG controller on the radiator hood (Part # 3531138) looks like it was damaged, one of the two hoses is ripped off. And I'm getting a 'heated oxygen sensor is slow to respond' on port A2 of the diagnostic box (1995 model).

Originally I bought http://www.amazon.com/Bosch-15738-Ox.../dp/B000BZL08U to fix this, but could it actually be the ERG controller causing this error? I know they're both part of the emissions control system...
 
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Old Apr 12, 2010 | 07:48 PM
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Any ideas are welcome
 
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