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Posts Tagged: P0171

P0171, P0174 GM vehicles

P0171, P0174 GM vehicles Diagnose and fix P0171, P0174 GM vehicles Service bulletin #PIP5549 for P0171, P0174 GM vehicles GM has issued service bulletin #PIP5549 to address trouble codes P0171, P0174 on GM vehicles listed below. Vehicles affected Buick Enclave 2012-2018  3.6 LLT, 3.6LFY engines Cadillac XTS 2015-2018 3.6 LFXl Chevrolet Colorado 2015-2016 3.6 LFX Chevrolet Equinox 2015-2017 3..6 LFX Chevrolet Impala 2015-2018 3.6 LFX Chevrolet Traverse 2012-2018   3.6 LFX, 3.6 LFY GMC Acadia 2012-2017   3.6 LLT GMC Canyon 2015-2016   3.6 LFX GMC Terrain 2015-2017   3.6 LFX Cause of P0171, … Read More

P0171 trouble code

How to diagnose and fix a P0171 trouble code What is a P0171 trouble code? The official definition of a P0171 code is: System too Lean (Bank 1). That means the upstream oxygen sensor is sensing a constantly lean condition. What causes a P0171 trouble code? The PCM/ECM measures all air coming into the engine and THEN calculates the proper amount of fuel based on the input from the accelerator pedal, the temperature of the incoming air, the temperature of the engine, atmospheric pressure or mass airflow readings (air density), … Read More

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

P0171, P0300, P1174

How to fix codes P0171, P0300, P1174 GM has issued a technical service bulletin # 08-06-04-001B to address trouble codes P0171, P0300, P1174 on the following vehicles: 2006-2007 Chevrolet Cobalt, HHR 2006 Pontiac Pursuit (Canada) 2007 Pontiac G5, G6 2006-2007 Saturn ION with 2.4L Engine (VIN B, P – RPO LE5) P0171 System too Lean (Bank 1) P0300 Random/Multiple Cylinder Misfire Detected P1174 Fuel Trim Cylinder Imbalance The most common cause for these types of trouble codes are vacuum leaks or plugged injectors that deliver too little fuel and cause … Read More

oil in air intake duct

Oil in air inlet duct GM has issued a service bulletin to address a problem with oil in air intake duct, along with a check engine light, poor acceleration, and throttle body freezing. The bulletin applies to the following vehicles equipped with the 3.6L engine: 2008-11 Buick Enclave 2007-11 Chevrolet Malibu 2009-11 Chevrolet Traverse 2007-11 GMC Acadia 2007-10 Pontiac G6 2007-09 Saturn AURA 2007-10 Saturn OUTLOOK GM states that the problem occurs after a cold start up or when driving in cold temperatures. If you scan the PCM, you may … Read More

P0133 P0139 P0170 P0173 P0171 P0174 P1136 P1138 P1141 P1143

Fix code P0133 P0139 P0170 P0173 P0171 P0174  P1136 P1138 P1141 P1143 AUDI, VOLKSWAGEN If you own an Audi A4, A6, A8, or a Volkswagaen Golf, Jetta, Passat, and New Beetle With 1.8T, 2.0, 2.8/3.2 VR-6, 2.8 V6 90° or 4.2 V8 engine and have any of the following codes: P0133 P0139 P0170 P0173 P0171 P0174  P1136 P1138 P1141 P1143 P0133 Oxygen sensor: slow response Bank 1 P0139 O2 sensor: slow response, Bank 2 P0170 P0173 Fuel trim malfunction Bank 1/2 P0171 P0174 Bank 1/2 fuel trim lean P1136 P1138 … Read More

P0551 Dodge trucks

Fix code P0551 Dodge trucks If you own an early 2000 Dodge Dakota, Durango, or Ram and have a check engine light and trouble code P0551, head right for the power steering pressure switch located in the high pressure power steering hose. This sensor has a high failure rate. Worse than the fact that it leaks, the diaphragm inside may actually tear and force full pressure power steering fluid up through the wiring harness and down into the oxygen sensor wires. That can cause a P0171 lean condition. When the … Read More

P0171 Hard brake pedal

Fix Hard brake pedal – P0171 Hard brake pedal on 2005 Ford F-150 pickup with the 5.4-litre engine, no power brakes, P0171 P0171 System too Lean (Bank 1). This vehicle is with vacuum assist power brakes. The power assist is provided by a vacuum booster. The booster is a dual chamber unit with a rubber diaphragm separating the two chambers. When the engine is running, engine vacuum is applied to both chambers. Then, when you press on the brake pedal, a valve allows atmospheric pressure into one chamber. With atmospheric … Read More

Rough idle P0171 P0300 P1174

Fix rough idle P0171 P0300 P1174 Engine runs rough, P0171, P0300, P1174 on Saturn Ion GM has issued a technical service bulletin (TSB) 08-06-04-001 to address engine Rough idle P0171 P0300 P1174 problems on 2006-07 Chevrolet Cobalt and HHR, 2007 Pontiac G5 and G6, and 2006-07 Saturn Ion with the 2.4L engine. The engines in these vehicle may experience injector clogging that results in rough operation and trouble codes P0171, P0300, P1174. GM advises that if one injector is plugged, you must replace all injectors with an updated version (Part 12602480) … Read More

P0106 P0171 Aveo

Fix code P0106 P0171 Chevrolet Aveo with 1.6L engine GM has issued a technical service bulletin to address P0106 P0171 and a whistling problem in the 2009-11 Chevrolet Aveo with the 1.6L engine. In addition to the whistling noise, you’ll find the Check Engine light on and either of these trouble codes in memory: P0106 P0171. The problem is most likely caused by a ruptured diaphragm in the PCV valve. To make sure, start the engine and wait until it makes the whistling sound. Then remove the oil dipstick or … Read More

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