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2001 Hyundai Elantra P0455 OBD2 Code: Evaporative Emission System Leak Detected

Model: 2001 Hyundai Elantra Fault Code: P0455 Posted: 2018-05-17 19:50

I've been experiencing the P0455 code on my 2001 Hyundai Elantra for some time. The car runs normally most of the time, but recently when I start it up, it exhibits a 'respiratory problem'—it seems to be gasping for air and appears to want to shut off. This morning I had difficulty starting the vehicle, though it started fine later in the evening (possibly due to cold weather). I've already replaced both the battery and spark plugs, but the issue persists. I'd like to troubleshoot this myself, but I'm unsure where to begin or what components might be faulty. Any advice on diagnosing or fixing this P0455 code would be greatly appreciated. Code Explanation: Evaporative Emission System Leak Detected (gross leak/no flow)

Related fault codes
P0455
Comments (2)
Anonymous 2018-05-19 13:50

https://www.obd-codes.com/p0455

Anonymous 2018-05-21 14:04

Start with checking the fuse related to the evaporative system. Then perform a manual vacuum test to check for evaporation leaks. Inspect the purge valve and charcoal canister. Look for visible cracks in hoses or connector joints. While most of these issues are relatively easy to fix, the fuse check is often the first and simplest step.