Chevrolet Commercial Chassis P0139 Engine Error Code
When you check Chevrolet Commercial Chassis car engine light came on code P0139 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Chevrolet manufacturer may have a different definition for the P0139 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
A good ground connection is also extremely important. P0139 Chevrolet Commercial Chassis engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. Since the instrument cluster is mounted in a plastic dash, a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. Refer again to the wiring diagram to find the ground path, and then check it with your ohmmeter. Do not use a self-powered test light because it cannot measure resistance (any resistance will lower circuit voltage).
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Chevrolet Commercial Chassis P0139 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionChevrolet Commercial Chassis car P0139 OBD-II Trouble Code The Heated Oxygen Sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. For optimum catalyst operation, the air fuel mixture (air-fuel ratio)Reason For Chevrolet Commercial Chassis P0139 CodeThe reason of Chevrolet Commercial Chassis P0139 OBD-II Engine Error Code is P0139 O2 Sensor Circuit Slow Response Bank 1 Sensor 2. |
If your vehicle failed a P0139 Chevrolet Commercial Chassis test and the Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look P0139 Chevrolet Commercial Chassis: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.
Chevrolet Commercial Chassis P0139 Possible Solution :
In-line Ford engines, along with those of most other manufacturers, begin the numbering of cylinders at the front and proceed in numerical order toward the back. In the V-engine design, Ford follows a similar design with the number one cylinder at the front left of the engine. In the V-6 configuration, cylinder 4 is at the front right of the engine and in a V-8, cylinder number 5 is in that location. Other manufacturers sometimes use an alternating pattern in the V-engines.
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What does fault code P0139 mean for Chevrolet Commercial Chassis ?
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