95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

couple ?'s

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Old Oct 15, 2008 | 06:48 AM
  #1  
drillin001's Avatar
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From: vermont
couple ?'s

i have 03 taco x cab 2.7L truck. i got a code PO136 O2 sensor circut malfunction 1/2. would this be the sensor before cat or after?

second issue with my headlights on i turn on left turn signal and the rear blinker,back up light,tail and brakelight all blink only when head lights are on and only that side. i swapped the blinker bulb with the rightside and still no change.

any idea's on what is causing this?
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Old Oct 15, 2008 | 09:04 AM
  #2  
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i fixed the light issue the culprit was a bad ground, still looking for the answer for the o2 sensor though
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Old Oct 16, 2008 | 05:55 AM
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1/2
bank one/sensor 2 thanx for your help
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