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Whadda ya expect for twenty bucks?
Posted to Emissions Forum on 5/22/2009 31 Replies

Hi EmF,

The only CAP vehicle this week, a 1989 Ford Aerostar.

It was a gross poluter 8% CO. 4.5 volts measured at the oxygen sensor. It turns out that Pin 49 HEGO Ground wasn't tight. It also had a 4 wire HEGO installed instead of a 3 wire internally groun... Login to read more.

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