yet another bad Bosch o2 sensor - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-09-2003, 12:08 PM   #1
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Default yet another bad Bosch o2 sensor

The Bosch o2 sensor in my '93 SSEi has only been in use for a few months, and although the engine still starts and runs fine and the fuel economy was around 18 MPG in city driving, a few days ago the MPG was only 13.7 for the tankful, so I removed the Bosch sensor and installed an AC Delco.

We'll see if the fuel economy goes back up to a decent level...
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Old 06-09-2003, 12:23 PM   #2
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Dude, you got a Del............co.
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