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Buick Riviera U2003 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.

Buick Riviera U2003 Code Meaning :

U
OBD-II Diagnostic Network (U) Trouble Code For Engine
2
Fuel And Air Metering (Injector Circuit Malfunctions Only)
0
Injector Circuit Malfunction - Cylinders
0
Crankshaft Position Sensor A Circuit Malfunction
3
Exhaust Gas Recirculation Sensor B Circuit High
Buick Riviera Engine

When you check Buick Riviera car engine light came on code U2003 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Buick manufacturer may have a different definition for the U2003 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U2003 OBD-II Diagnostic Network (U) Trouble Code Description

U2003 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For U2003 Code

The reason of U2003 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

U2003 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.

U2002 Previous Engine Trouble Code For Buick Riviera Next Engine Trouble Code For Buick Riviera U2004

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