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B2977 Engine Trouble Code

Meaning of B2977 engine trouble code is a kind of body trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

B2977 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for B2977 code is occuring now you should check B2977 repair processes.
Now don't ask yourself; What should you do with B2977 code ?
The solution is here :

B2977 Possible Solution:

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.

B2977 Code Meaning :

B	2	9	7	7
OBD-II Diagnostic Body (B) Trouble Code For Engine	Fuel And Air Metering (Injector Circuit Malfunctions Only)	Injector Circuit Malfunction - Cylinders	Cylinder 10 Contribution/balance Fault	Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

B2977 OBD-II Diagnostic Body (B) Trouble Code Description

B2977 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.

Main reason For B2977 Code

The reason of B2977 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

B2977 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.

	Example: 0140