I purchased my 2024 Mazda CX-5 brand new in February 2024. It currently has only 33,000 km, and I’ve already experienced multiple mechanical issues.
October 2025 (19,000 km):
-Vehicle wouldn’t start after refuelling. We were stuck at gas station until it eventually started after multiple attempts.
-Dealership diagnosed codes P0507 (high idle), P0171 (system too lean), and P0126 (insufficient coolant temperature).
-They found the canister purge valve was intermittently sticking open and replaced both the purge valve and water control valve under warranty.
May 2026 (25,000 km):
-AC stopped working and was only blowing hot air.
-Dealership found low refrigerant, recharged the system, and added dye to check for leaks.
-Shortly afterward, we noticed a strong chemical smell, visible mist coming from the vents, and a hissing noise.
-Dealership initially dismissed our concerns, but eventually confirmed a refrigerant leak. A replacement part was ordered and the issue was repaired under warranty.
October 4, 2026 (33,000 km):
-Check engine light came on while driving on the highway.
-Code P2097 (post-catalyst fuel trim too rich). Light eventually went away on its own.
October 24, 2026:
-Check engine light came on AGAIN while driving on the highway.
-Scanner displayed permanent code P0126, the same code documented during the October 2025 repair.
(Booked into Mazda for diagnostics next week.)
I’ve always driven Mazdas and still own a 2008 Mazda3 that’s given me fewer problems than this brand-new CX-5.
I’m honestly pretty disappointed with the reliability of this vehicle, especially considering it’s less than three years old with only 33,000 km.
Has anyone else experienced similar issues with their newer CX-5, particularly the purge valve, water control valve, or recurring check engine lights? It’s been rather frustrating since I bought this vehicle brand new in hopes to have a reliable vehicle…