P2998 Engine Trouble Code
What is P2998?
P2998 indicates potential catalytic converter failure. If completely failed, your vehicle may not run properly and fuel economy will suffer significantly. Average replacement cost is $2,000–$2,140. This repair requires professional service and should not be delayed.
Code Information
| Code Type: | OBD-II Powertrain (P) Trouble Code |
| System: | Powertrain |
| Code: | P2998 |
P2998 Symptoms
Check Engine Light
Illuminated dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration
Starting Problems
Difficulty starting the engine
P2998 Code Structure
Understanding what each digit means in the P2998 powertrain trouble code:
| P | 2 | 9 | 9 | 8 |
|---|---|---|---|---|
| Powertrain Code | Fuel And Air Metering (Injector Circuit Malfunctions Only) | Injector Circuit Malfunction - Cylinders | Crankshaft Position Sensor A Circuit Malfunction | Clutch Position Sensor Circuit Malfunction |
How to Fix P2998
Diagnostic Steps:
The catalytic converter has oxygen sensors before and after it. When warm and in closed-loop mode, the upstream O2 sensor reading should fluctuate, while downstream should remain steady.
Repair Solution:
Regular maintenance of indicator and headlight bulbs ensures proper function. Maintain paint condition to prevent rust. Modern products make these maintenance tasks straightforward and accessible.
Technical Notes:
P2998 DTC indicating a sensor fault does not always mean the sensor itself is bad. The issue may stem from the systems being monitored or even the sensor wiring. Proper diagnosis is essential.
P2998 Description
P2998 engine trouble code is related to Clutch Position Sensor Circuit Malfunction.
Main Cause
The primary reason for P2998 OBD-II Engine Trouble Code is: Injector Circuit Malfunction - Cylinders.