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Smart Roadster P1904 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.

Smart Roadster P1904 Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
1
Fuel And Air Metering
9
Engine Oil Temperature Sensor Malfunction
0
Crankshaft Position Sensor A Circuit Malfunction
4
Exhaust Gas Recirculation Sensor B Circuit High
Smart Roadster Engine

When you check Smart Roadster car engine light came on code P1904 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Smart manufacturer may have a different definition for the P1904 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1904 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1904 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P1904 Code

The reason of P1904 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P1904 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.

P1903 Previous Engine Trouble Code For Smart Roadster Next Engine Trouble Code For Smart Roadster P1905

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