Code P2279, what is the cost to repair?

Tiny
JOHN RICE2
  • MEMBER
  • 2003 HONDA ELEMENT
  • AUTOMATIC
  • 229,000 MILES
Cost of repair?
Thursday, April 10th, 2025 AT 8:30 AM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 15,233 POSTS
That code is basically describing a vacuum leak somewhere in the intake system. There is no real way to know the price of the repair without testing the components to find the actual problem causing the code. For instance, it could be a leaking PCV line that costs a few dollars, or it could be a camshaft that has gone out of time which is far more expensive.

This is the OE chart of items to test when that code is shown -

1. Check for vacuum leaks from the following parts.
- PCV valve
- PCV hose
- Purge (PCS) line
- Throttle body
- Brake booster hose

Are they OK?
YES - Go to step 2.
NO - Repair or replace the leaking part(s), then go to step 4.

2. Start the engine. Hold the engine speed at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle for 1 minute.
3. Monitor the OBD STATUS for DTC P2279 in the DTCs MENU with the Honda PGM Tester or the HDS.

Does the screen indicate FAILED?
YES - Check the camshaft timing, then go to step 4.
NO - If the screen indicates PASSED, intermittent failure, system is OK at this time. If the screen indicates NOT COMPLETED, go to step 2 and recheck.

4. Do the ECM/PCM RESET in the CLEAR MENU with the Honda PGM Tester or the HDS.
5. Do the ECM/PCM idle learn procedure.
6. Start the engine. Hold the engine speed at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle for 1 minute.
7. Check for Temporary DTCs or DTCs in the DTCs MENU with the Honda PGM Tester or the HDS.

Are any Temporary DTCs or DTCs indicated?
YES - If DTC P2279 is indicated, check for vacuum leaks at the PCV valve, the PCV hose, the purge (PCS) line, the throttle body, or the brake booster hose, then go to step 4. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting.
NO - Go to step 8.

8. Monitor the OBD STATUS for DTC P2279 in the DTCs MENU with the Honda PGM Tester or the HDS.

Does the screen indicate PASSED?
YES - Troubleshooting is complete.
NO - If the screen indicates FAILED, then go to step 1 and recheck. If the screen indicates NOT COMPLETED, go to step 6 and recheck.
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Thursday, April 10th, 2025 AT 9:46 AM

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