1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

how many problems are associated w/ bad fuel econ?

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Old 01-02-2004, 08:58 AM
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Default Best Online Source for O2 Sensor for 94 SE

Can anyone recommend best online store for Pontiac parts. My mileage has been down some on my 94SE with 117K on it and I think I'll replce O2 sensor.

Thanks,

Mike
:?:
Old 01-02-2004, 12:58 PM
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www.gmpartsdirect.com
Old 01-02-2004, 02:26 PM
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And the O2 sensors are listed in Techinfo for each year.
Old 01-02-2004, 05:22 PM
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So does this car have a spoiler? That might be your milage loss Mista..
Old 01-02-2004, 07:02 PM
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knock sensor
Old 01-02-2004, 08:06 PM
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Originally Posted by BonneMeMN
So does this car have a spoiler? That might be your milage loss Mista..
:P cute, actually I DID have one but I bought a whole new one w/o a spoiler on it so tha saga can continue....

could it be my ignition coils/spark plugs as well?
Old 01-02-2004, 08:35 PM
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When those go bad, your engine will start missing.
Old 01-02-2004, 11:34 PM
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Kind of unrealted, but if it comes down to you getting a new cat, you may/will still smell the rotten egg smell. This time it is OK, it is just the gasses mixing in the cat and it should go away shortly.
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