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U1279 Engine Trouble Code

Meaning of U1279 engine trouble code is a kind of network trouble code and U1279 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,140 and you can't do it yourself unless you're an experienced mechanic.

U1279 Fault Symptoms :

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

If one of these reasons for U1279 code is occuring now you should check U1279 repair processes.
Now don't ask yourself; What should you do with U1279 code ?
The solution is here :

U1279 Possible Solution:

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.

U1279 Code Meaning :

U	1	2	7	9
OBD-II Diagnostic Network (U) Trouble Code For Engine	Fuel And Air Metering	Manifold Absolute Pressure/Barometric Pressure Circuit High Input	Cylinder 10 Contribution/balance Fault	Reverse Input Circuit

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

U1279 OBD-II Diagnostic Network (U) Trouble Code Description

U1279 engine trouble code is about Reverse Input Circuit.

Main reason For U1279 Code

The reason of U1279 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

U1279 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