P2698 serious

DPF Pressure Too High

The P2698 code means the vehicle's onboard diagnostic system has detected: DPF Pressure Too High. This is a serious severity code.

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Keep driving?
No -- stop driving
DIY difficulty
hard
Estimated cost
$500 - $4000 (parts and labor)
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Common Symptoms

  • Check Engine Light on
  • DPF warning light flashing
  • Severe power loss
  • Engine may shut down to prevent damage
  • Exhaust system extremely hot

Probable Causes (Ranked by Likelihood)

  • DPF severely clogged with soot and ash Very High
  • Failed DPF regeneration over extended period High
  • Incorrect fuel type or oil causing excess soot Moderate
  • DPF temperature sensor failure preventing regen Moderate

Step-by-Step Diagnostic Procedure

  1. Read freeze frame data and confirm P2698 is present

  2. Measure DPF backpressure with scan tool and compare to limit

  3. Check DPF soot and ash loading levels

  4. Attempt forced DPF regeneration if pressure is not critically high

Frequently Asked Questions

What does P2698 mean?

P2698 indicates an issue with the dpf pressure too high. This is related to the diesel exhaust aftertreatment system that controls emissions and DPF operation.

Can I drive with a P2698 code?

Do not drive with this code. Excessive DPF pressure can cause the exhaust system to overheat and poses a fire risk. Have it towed to a repair facility.

How much does it cost to fix P2698?

Repairs typically cost $500 - $4000. Sensor or wiring repairs are least expensive, while DPF replacement can cost $2,000 to $4,000.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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