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P0440 Code Tip
A tip to help people like me out there: For the past year, I was getting an intermittent P0440 code. This is a very vague code that indicates a general EVAP system malfunction. Just realized today that the solenoid on the canister in the engine bay was unplugged. Did some work on the brake...- kephas
- Thread
- 1999 suburban evap evap system gmt400 p0440
- Replies: 6
- Forum: 96+ Vortec Performance + Computer Swaps
