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Alfa Romeo 90 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 90 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 90 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 90 P20F4 Possible Solution :

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

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