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Alfa Romeo 4c P20F4 Engine Trouble Code

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.

Alfa Romeo 4c P20F4 Code Meaning :

P	2	0	f	4
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine	Fuel And Air Metering (Injector Circuit Malfunctions Only)	Ambient Air Temperature Sensor Circuit Low		Timing Reference High Resolution Signal A Too Many Pulses

When you check Alfa Romeo 4c car engine light came on code P20F4 the reason should be . However manufacturer may have a different definition for the P20F4 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P20F4 Fault Symptoms :

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

If one of these reasons for P20F4 code is occuring now you should check P20F4 repair processes.
Now don't ask yourself; What should you do with P20F4 code ?
The solution is here :

Alfa Romeo 4c P20F4 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.

P20F4 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P20F4 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Reason For P20F4 Code

The reason of P20F4 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

Parts or components should not be replaced with reference to only a P20F4 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

	Example: 0120