Performance loss with 180 degree thermostat?? - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-24-2004, 02:25 PM   #21
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Default My O2 was just replaced less then 4000 miles ago

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Originally Posted by willwren
Dood, the extra weight of the three SSEi badges is causing the loss in MPG. Seriously, the O2 is only good for 50-60k miles. And there'* so many other contributors. I haven't seen ANYONE lose efficiency from this.
I just replaced it a little over a month ago.
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Old 06-24-2004, 02:27 PM   #22
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Default O2 Sensor Brand.

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Originally Posted by jr's3800
Small question here... What type of O2 sensor did you use?
I'AM SORRY TO SAY THIS...... Bosch from Auto Zone...
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Old 06-24-2004, 02:54 PM   #23
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Default Re: O2 Sensor Brand.

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Originally Posted by sellncars
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Originally Posted by jr's3800
Small question here... What type of O2 sensor did you use?
I'AM SORRY TO SAY THIS...... Bosch from Auto Zone...
There'* your problem.
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Old 06-24-2004, 03:57 PM   #24
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Default

Ditch it now. Buy an AC Delco from www.gmpartsdirect.com , part numbers are listed in Techinfo.

The Bosch O2 sensor is very likely killing your mileage.
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