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C2973 Engine Trouble Code

Meaning of C2973 engine trouble code is : When your car's 'C2973 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

C2973 Possible Solution:

C2973 Engine

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

C2973 Code Meaning :

C 2 9 7 3
OBD-II Diagnostic Chassis (C) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Injector Circuit Malfunction - Cylinders Cylinder 10 Contribution/balance Fault Exhaust Gas Recirculation Sensor B Circuit High

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

C2973 OBD-II Diagnostic Chassis (C) Trouble Code Description

C2973 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For C2973 Code

The reason of C2973 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

Parts or components should not be replaced with reference to only a C2973 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.