Posts Tagged: P0135
P0134 Honda Civic
Diagnose and fix trouble code P0134 Honda Civic Honda has issued a service bulletin #10-062 to address Trouble codes P0134, P0135, P0171, or P1157 on 2006-08 Honda Civic Ci vehicles. The trouble codes relate to the upstream air fuel ratio sensor and the lean conditions caused by the initial problem P0134 (air fuel ratio [A/F] sensor [sensor 1] heater system malfunction) P0135 (air fuel ratio [A/F] sensor [sensor 1] heater circuit malfunction) P0171 (fuel system too lean) P1157 (air fuel ratio [A/F] sensor [sensor 1] AFS circuit high voltage) The … Read More
P0135 O2 Sensor Heater Circuit Malfunction
Fix code P0135 P0135 Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 1). This sensor is located on the engine bank that houses #1 cylinder and is located BEFORE the catalytic converter When you turn the ignition switch to RUN, the vehicle provides to the heater circuit of the oxygen sensor. The oxygen sensor heater is a critical part of the vehicle’s emission system because it brings the oxygen sensor up to operating temperature much faster than from the heat of the exhaust alone. Oxygen sensor heater receives ground from … Read More
P0135 Cooling fan runs all the time
Fix codeP0135 Cooling fan runs all the time If you own a Ford Escort or Mercury tracer and encounter a situation where the radiator fans run all the time, or you have a check engine light and trouble code P0135, you may have a shorted oxygen sensor. The official definition of a P0135 is Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 1). That’s the sensor before the catalytic converter. Oxygen sensors have a heating element in them to speed up their ability to sense oxygen in the exhaust stream. … Read More