P1998
Friction Too High Intake Camshaft Adjustment Bank 2
P1998 is an OBD-II diagnostic trouble code meaning: Friction Too High Intake Camshaft Adjustment Bank 2. Common causes: low or poor quality engine oil, clogged oil channels of the vvt system. Estimated repair cost: $28–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable idling
- Popping sounds in the intake manifold
Causes
- Low or poor quality engine oil
- Clogged oil channels of the VVT system
- Wear of the camshaft phase shifter
- VVT solenoid valve malfunction
- Problems with the wiring harness or connectors
How to Fix
- Check the level and condition of the engine oil, replace if necessary
- Clean or replace VVT solenoid valve
- Flush the oil passages of the VVT system
- Check the condition of the phase shifter and replace if necessary
- Diagnose the VVT control circuit
Related codes
FAQ
What does the P1998 code mean?
P1998 is an OBD-II diagnostic trouble code that indicates: Friction Too High Intake Camshaft Adjustment Bank 2
What causes a P1998 error code?
The most common causes of P1998 include: Low or poor quality engine oil; Clogged oil channels of the VVT system; Wear of the camshaft phase shifter; VVT solenoid valve malfunction.
How do I fix a P1998 diagnostic trouble code?
To fix P1998: Check the level and condition of the engine oil, replace if necessary. Clean or replace VVT solenoid valve. Flush the oil passages of the VVT system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1998?
Limited driving only, diagnose soon
How much does it cost to fix P1998?
The estimated repair cost for P1998 is $28–167. Actual cost depends on your vehicle, location, and labor rates.
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