P216A Chevrolet Four Ninety OBD Code

OBD/2 P216A error code description and symptoms.

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

P216A Chevrolet Four Ninety Error Code Repair Process :

The scent may P216A signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such P216A, so if the inside of your car p216a fuel injector group e supply voltage circuit/open as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Chevrolet Four Ninety P216A OBD2 Code

A common cause of code P216A is the failure of P216A Fuel Injector Group E Supply Voltage Circuit/Open, but there are several other possible causes as well, such as ;

Exhaust tube
Faulty Intake Valve Timing Control Solenoid Valve
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
Faulty starter motor

P216A is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P216A Chevrolet Four Ninety OBD Code

P216A Chevrolet Four Ninety Error Code Repair Process :

Common Causes of Chevrolet Four Ninety P216A OBD2 Code

P216A code for other Chevrolet cars