OBD Guide
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P1996

Friction Too High Intake Camshaft Adjustment Bank 1

P1996 is an OBD-II diagnostic trouble code meaning: Friction Too High Intake Camshaft Adjustment Bank 1. Common causes: low or poor quality engine oil, dirty or clogged vvt system oil passages. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable idling
  • Check Engine Light Illuminates
  • Deterioration in acceleration dynamics

Causes

  • Low or poor quality engine oil
  • Dirty or clogged VVT system oil passages
  • VVT solenoid valve malfunction
  • Wear of the variable valve timing mechanism
  • Problems with the camshaft position sensor

How to Fix

  1. Check the level and condition of the engine oil
  2. Change oil and oil filter if necessary
  3. Check the operation of the VVT solenoid valve
  4. Clean the oil passages of the VVT system
  5. Check the variable valve timing mechanism for wear

Related codes

P1997P1998P1999

FAQ

What does the P1996 code mean?

P1996 is an OBD-II diagnostic trouble code that indicates: Friction Too High Intake Camshaft Adjustment Bank 1

What causes a P1996 error code?

The most common causes of P1996 include: Low or poor quality engine oil; Dirty or clogged VVT system oil passages; VVT solenoid valve malfunction; Wear of the variable valve timing mechanism.

How do I fix a P1996 diagnostic trouble code?

To fix P1996: Check the level and condition of the engine oil. Change oil and oil filter if necessary. Check the operation of the VVT solenoid valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1996?

Yes, but get it checked soon

How much does it cost to fix P1996?

The estimated repair cost for P1996 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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