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U2704 Engine Trouble Code

Meaning of U2704 engine trouble code is a kind of network 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.

U2704 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 U2704 code is occuring now you should check U2704 repair processes.
Now don't ask yourself; What should you do with U2704 code ?
The solution is here :

U2704 Possible Solution:

U2704 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.

U2704 Code Meaning :

U 2 7 0 4
OBD-II Diagnostic Network (U) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Fuel Rail Pressure Sensor Circuit Malfunction Cold Start Injector 1 Malfunction Timing Reference High Resolution Signal A Too Many Pulses

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.

U2704 OBD-II Diagnostic Network (U) Trouble Code Description

U2704 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For U2704 Code

The reason of U2704 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

U2704 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.