Mazda 121 C3988 Engine Trouble Code
Mazda 121 C3988 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.
Mazda 121 C3988 Code Meaning :
OBD-II Diagnostic Chassis (C) Trouble Code For Engine
Ignition System Or Misfire
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Mazda 121 car engine light came on code C3988 the reason should be . However manufacturer may have a different definition for the C3988 OBD-II Diagnostic Chassis (C) Trouble Code. So you should chech it on our car models.
C3988 OBD-II Diagnostic Chassis (C) Trouble Code Description
C3988 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For C3988 Code
The reason of C3988 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.C3988 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.
C3987 Previous Engine Trouble Code For Mazda 121 | Next Engine Trouble Code For Mazda 121 C3989 |