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Check U3239 Engine Code

U3239 Engine

When you check engine light came on code U3239 the reason should be . However your vehicle's manufacturer may have a different definition for the U3239 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

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 $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

U3239 Possible Solution:

In-line Ford engines, along with those of most other manufacturers, begin the numbering of cylinders at the front and proceed in numerical order toward the back. In the V-engine design, Ford follows a similar design with the number one cylinder at the front left of the engine. In the V-6 configuration, cylinder 4 is at the front right of the engine and in a V-8, cylinder number 5 is in that location. Other manufacturers sometimes use an alternating pattern in the V-engines.

U3239 Code Meaning :

U 3 2 3 9
OBD-II Diagnostic Network (U) Trouble Code For Engine Ignition System Or Misfire Manifold Absolute Pressure/Barometric Pressure Circuit High Input Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector) Reverse Input Circuit

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.

U3239 OBD-II Diagnostic Network (U) Trouble Code Description

U3239 engine trouble code is about Reverse Input Circuit.

Reason For U3239 Code

The reason of U3239 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

U3239 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.