Engine-CodesGeneric – P1997

P1997 Code - Friction Too High Exhaust Camshaft Adjustment Bank 1

Quick Answer

The P1997 code indicates that the friction on the exhaust camshaft adjustment for bank 1 is too high. Common causes include Worn out camshaft adjustment components, Lack of lubrication in the camshaft adjustment system, Mechanical issues within the camshaft adjustment mechanism. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1997 indicates Friction Too High Exhaust Camshaft Adjustment Bank 1.
Common causes
Common causes include Worn out camshaft adjustment components, Lack of lubrication in the camshaft adjustment system, Mechanical issues within the camshaft adjustment mechanism.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P1997 Description

The P1997 code indicates that the friction on the exhaust camshaft adjustment for bank 1 is too high. This means that there is excessive resistance in the system that controls the adjustment of the exhaust camshaft on one side of the engine. The camshaft adjustment is crucial for optimizing engine performance, fuel efficiency, and emissions control.

OBDII Code P1997 - Friction Too High Exhaust Camshaft Adjustment Bank 1
P1997 Code - Friction Too High Exhaust Camshaft Adjustment Bank 1

Common Causes of P1997

  1. Worn out camshaft adjustment components
  2. Lack of lubrication in the camshaft adjustment system
  3. Mechanical issues within the camshaft adjustment mechanism
  4. Electrical problems affecting the camshaft adjustment system
  5. Contaminants in the camshaft adjustment system

Symptoms of P1997

  1. Rough idling
  2. Decreased engine performance
  3. Reduced fuel efficiency
  4. Increased emissions
  5. Engine misfires

How to Fix P1997

  1. Diagnose the exact cause of the high friction in the exhaust camshaft adjustment system by using a scan tool to retrieve the fault code and inspecting the camshaft adjustment components.
  2. Replace any worn out or damaged camshaft adjustment components, such as the actuator, solenoids, or sensors.
  3. Clean and lubricate the camshaft adjustment system to ensure smooth operation.
  4. Reset the fault code using the scan tool and test drive the vehicle to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be necessary to pinpoint the exact cause of the high friction in the exhaust camshaft adjustment system.

Cost to Fix P1997

** The typical repair costs for addressing the P1997 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing worn out components and performing maintenance on the camshaft adjustment system can range from $200 to $500 in parts and labor. However, it is important to note that diagnosis time and labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher at dealerships or in metropolitan areas, and lower at independent shops. For a more accurate cost estimate, it is advisable to consult with local auto repair shops.

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Code P1997 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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