Fast Meter - Check Your A/F Ratio Fast!
With the truck safely on a hydraulic hoist, we started by disconnecting the rear O2 sensors' factory harnesses, then removed the sensors from the exhaust. Normally, you would choose to weld in the bungs in front of the catalytic converters because they skew the readings. But, in our case the converters were wiped out, thanks to crazy A/F ratios. Dynatech will have sent us replacements by the time this article sees print. View Related Article
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