1998 Buick Lesabre check engine light

Tiny
444FIRE
  • MEMBER
  • 1998 BUICK LESABRE
1998 Buick Lesabre 6 cyl 75000 miles

error codes p0135 and p0135 (pd) - how to fix (in layman's terminology please). Thanks.
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Wednesday, February 24th, 2010 AT 8:21 AM

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Tiny
JDL
  • EXPERT
Hi, thanks for the donation. Maybe a problem with the front 02 sensor? You might be able to see it, if you look under the hood, between rear of engine and firewall, look down, exhaust manifold. Maybe something wrong with 02 heater circuit, pink wire is voltage and black is ground for heater circuit.


http://www.2carpros.com/forum/automotive_pictures/170934_lesabre_02_sensor_1.jpg

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Wednesday, February 24th, 2010 AT 10:16 AM

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