Smart Fortwo Iii P991B Engine Trouble Code

When your car's 'Smart Fortwo Iii P991B Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

Smart Fortwo Iii P991B Code Meaning :

When you check Smart Fortwo Iii car engine light came on code P991B the reason should be . However manufacturer may have a different definition for the P991B OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P991B OBD-II Diagnostic Powertrain (P) Trouble Code Description

P991B engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P991B Code

The reason of P991B OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P991B 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.

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