Buick Allure U3742 Engine Trouble Code

Buick Allure U3742 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.

Buick Allure U3742 Code Meaning :

When you check Buick Allure car engine light came on code U3742 the reason should be . However manufacturer may have a different definition for the U3742 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U3742 OBD-II Diagnostic Network (U) Trouble Code Description

U3742 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For U3742 Code

The reason of U3742 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

U3742 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.

U3741 Previous Engine Trouble Code For Buick Allure

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