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Ford Mondeo P1203 Engine Trouble Code

Ford Mondeo P1203 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Ford Mondeo P1203 Code Meaning :

P	1	2	0	3
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine	Fuel And Air Metering	Manifold Absolute Pressure/Barometric Pressure Circuit High Input	Cold Start Injector 1 Malfunction	Exhaust Gas Recirculation Sensor B Circuit High

When you check Ford Mondeo car engine light came on code P1203 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1203 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1203 Fault Symptoms :

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

If one of these reasons for P1203 code is occuring now you should check P1203 repair processes.
Now don't ask yourself; What should you do with P1203 code ?
The solution is here :

Ford Mondeo P1203 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.

P1203 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1203 OBD-II Trouble Code Injector Circuit Open / Shorted Cylinder #3 is one of the definitions for the P1203; however your vehicles manufacturer may have a different definition for the P1203 code. Please check below for your P1203 code.

Reason For P1203 Code

The reason of P1203 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

Parts or components should not be replaced with reference to only a P1203 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

	Example: 0120