CEl code 154 o2 sensor no activity detected - Porsche Forum - Porsche Enthusiast Forums


Porsche Boxster Porsche's smallest and least expensive sports car model,the Boxster is a convertible sports car released in late 1996.

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Old 10-06-2007, 12:30 PM
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Default CEl code 154 o2 sensor no activity detected

i bottomed out the other day (won't be the last time i'm sure), since then the check engine light came on with a code 154, no o2 sensor activity detected. i'm guess i either broke or loosend the sensor, but can't seem to find the location. anyone know where to find it?
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Old 10-07-2007, 02:41 PM
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Default RE: CEl code 154 o2 sensor no activity detected

There are 4 of them located on the exhaust. Placement depends on year of the boxster. 2 on each side.
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Old 10-07-2007, 03:14 PM
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Default RE: CEl code 154 o2 sensor no activity detected

thanks doc. i found them. the code says "bank 2, sensor 1". i'm assuming bank 2 is 3,4,5, and sensor 1 is before the converter? how do i know if it's a bad sensor?
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Old 10-07-2007, 03:17 PM
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Default RE: CEl code 154 o2 sensor no activity detected

btw, it's a 1999
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02, 154, activity, boxster, cel, code, o2, oxygen, porsche, sensor

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