Check Engine Light...O2 Sensor

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Nov 14, 2006 | 03:30 PM

Casual Gcode1

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Joined: Jan 2003

Posts: 144

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From: Charlotte, NC

Check Engine Light...O2 Sensor

How do you know which O2 sensor is bad

Nov 14, 2006 | 06:24 PM

TruNinja619

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Joined: Dec 2003

Posts: 423

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From: San Diego, CA, USA

Re: Check Engine Light...O2 Sensor (Casual Gcode1)

put a DSO (digital Storage Oscilliscope) on it and watch at the pattern that its giving you...

Nov 14, 2006 | 06:41 PM

Finest

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Joined: Feb 2000

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From: Milwaukee, WI

Re: Check Engine Light...O2 Sensor (Casual Gcode1)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Casual Gcode1 »</TD></TR><TR><TD CLASS="quote">How do you know which O2 sensor is bad</TD></TR></TABLE>

What car, and what year?

The CEL will tell you which O2 sensor, if you're OBDII (97+).

Nov 14, 2006 | 07:14 PM

97 Sleeper

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Joined: Jun 2005

Posts: 290

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From: Philly, PA, usa

Re: Check Engine Light...O2 Sensor (Finest)

yup if its a OBDII then its either the primary or secondary just pull the code

Nov 14, 2006 | 09:33 PM

mgags7

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Joined: Mar 2004

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Re: Check Engine Light...O2 Sensor (TruNinja619)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TruNinja619 »</TD></TR><TR><TD CLASS="quote">put a DSO (digital Storage Oscilliscope) on it and watch at the pattern that its giving you... </TD></TR></TABLE>

WhaTF?