How many O2 sensors on my 98 Tacoma?
06-21-2009, 05:31 AM
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How many O2 sensors on my 98 Tacoma?
On my 98 5 spd 3.4 I only have one sensor after my cat. Should I have one before also? If so is it on the manifold or the exhaust pipe? Thanks
06-21-2009, 05:55 AM
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if you have 1 cat, then you have non-california spec. exhaust, 2 O2 sensors.
if you have 2 cats, you have california spec. exhause, 1 A/F senor, 1 O2 sensor.
if you have 2 cats, you have california spec. exhause, 1 A/F senor, 1 O2 sensor.
06-21-2009, 11:21 AM
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Thanks for the help..now where can a man find one of those weld on flanges at so I can put me on one? I found a nonconncted wire on top of the trans so I guess thats the hook up for it.
Last edited by bain; 06-21-2009 at 11:28 AM.
06-21-2009, 01:25 PM
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