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P0135 Diagnostic Trouble Code Discussion for July 2010

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0135
Help Request Posted
2003 Chevrolet Venture LS 3.4L Hesitation, MIL Lamp on VIN: 1GNDX03E03
P0135: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. this van came to us after another shop said needed pcm for idle wejust installed the pcm customer bought and flashed we did no checking prior then code po135 started pcm is not turning the heater on TEC 2 reads 0 amp flow if i ground heater control get amp flo...
July 11, 2010
2004 Honda CR-V EX 2.4L MIL Lamp on VIN: JHLRD78494
P0135: Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. Anytime you get this code. Raise car and disconnect both a/f ratio sensor (also known as very expensive o2 sensors)at catalytic converter area. One sensor has 2 white wires for the heater element. One sensor has 2 black wires for the heater element. Ohm check ...
July 22, 2010
2003 Lincoln Town Car 4.6L MIL Lamp on VIN: 1LNHM82W33
P0135: o2s htr. hello,and thanks in advance for any help on this one.this town car also came in w/7 trans codes.all problems were due to blown fuse 20(15a)in underhood fuse block.replaced w/15a fuse and poked around(koeo) for about 1 hr to try to induce another short-to no av...
July 22, 2010
2000 Ford Focus ZX3 2.0L Poor Idle Quality VIN: 3FAFP31357
P0135: Bank 1 Sensor 1 heater circuit. This one has got me frustrated. This customer came in complaining of a lack of power and poor Idle quality. I ended up finding a bad PCV valve and hose/line, a bad MAF, and i did plugs and wires per request by customer too. It has some power now but at operati...
July 23, 2010