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P1135 Diagnostic Trouble Code Discussion for September 2006

Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1135
Help Request Posted
1997 Infiniti Q45 4.1L Misfire, SMoke from tailpipe VIN: JNKBY31A9V
P1135: VTC problem. Verified # 2 cylinder misfire. Checked coil on scope(ok) Replaced spark plugs(All) client said could not remember last time they were changed and looked severly worn. Also swapped coil between Cyl#4 and 2. Roadtested again(20 miles) no problem Vehicle returns...
September 05, 2006
1998 Toyota RAV4 2.0L MIL Lamp on VIN: JT3HP10V1W
P1135: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. I have tested the heater circuit and the operation all looks well the light will stay off but she says it will come back on whenever any suggestions ? I suspect wiring
September 25, 2006