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U2979 Engine Trouble Code

Meaning of U2979 engine trouble code is a kind of network trouble code and U2979 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,200. Taking your car into a shop will cost you around $210 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

U2979 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for U2979 code is occuring now you should check U2979 repair processes.
Now don't ask yourself; What should you do with U2979 code ?
The solution is here :

U2979 Possible Solution:

U2979 Engine

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

U2979 Code Meaning :

U 2 9 7 9
OBD-II Diagnostic Network (U) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Injector Circuit Malfunction - Cylinders Cylinder 10 Contribution/balance Fault Reverse Input Circuit

Regarding the U2979 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

U2979 OBD-II Diagnostic Network (U) Trouble Code Description

U2979 engine trouble code is about Reverse Input Circuit.

Main reason For U2979 Code

The reason of U2979 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

Parts or components should not be replaced with reference to only a U2979 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.