Mercury Grand Marquis U0388 Engine Trouble Code

Mercury Grand Marquis U0388 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.

Mercury Grand Marquis U0388 Code Meaning :

When you check Mercury Grand Marquis car engine light came on code U0388 the reason should be . However manufacturer may have a different definition for the U0388 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U0388 OBD-II Diagnostic Network (U) Trouble Code Description

U0388 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For U0388 Code

The reason of U0388 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

U0388 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.

U0387 Previous Engine Trouble Code For Mercury Grand Marquis

Next Engine Trouble Code For Mercury Grand Marquis U0389