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U3379 Engine Trouble Code

Meaning of U3379 engine trouble code is a kind of network trouble code and U3379 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.

U3379 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 U3379 code is occuring now you should check U3379 repair processes.
Now don't ask yourself; What should you do with U3379 code ?
The solution is here :

U3379 Possible Solution:

U3379 Engine

Gasoline engines use spark plugs to cause an explosion of fuel within the cylinder. In a properly timed engine, this explosion occurs at the proper moment to send the piston to the bottom of the cylinder and provide power to the drive shaft. If the plug wires are out of sequence, the explosion occurs at the wrong time. The improper timing of the explosion sometimes pushes the cylinder the wrong direction or interferes with the turning of the crank. As a result, the engine stutters or backfires, if it runs at all.

U3379 Code Meaning :

U 3 3 7 9
OBD-II Diagnostic Network (U) Trouble Code For Engine Ignition System Or Misfire Throttle/Pedal Position Sensor/Switch A Circuit Intermittent Cylinder 10 Contribution/balance Fault Reverse Input Circuit

Regarding the U3379 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.

U3379 OBD-II Diagnostic Network (U) Trouble Code Description

U3379 engine trouble code is about Reverse Input Circuit.

Main reason For U3379 Code

The reason of U3379 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

U3379 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.