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U2566 Engine Trouble Code

Meaning of U2566 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.

U2566 Fault Symptoms :

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

If one of these reasons for U2566 code is occuring now you should check U2566 repair processes.
Now don't ask yourself; What should you do with U2566 code ?
The solution is here :

U2566 Possible Solution:

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.

U2566 Code Meaning :

U	2	5	6	6
OBD-II Diagnostic Network (U) Trouble Code For Engine	Fuel And Air Metering (Injector Circuit Malfunctions Only)	Fuel Composition Sensor Circuit Malfunction	Cylinder 4 Contribution/Balance Fault	Ignition Coil A Primary/Secondary Circuit Malfunction

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.

U2566 OBD-II Diagnostic Network (U) Trouble Code Description

U2566 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.

Main reason For U2566 Code

The reason of U2566 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

U2566 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.

	Example: 0140