2018 Chevrolet Equinox: Check engine light on
Common wear/failure (not a recall)
Symptoms
Owners of the 2018 Equinox report: check engine light on. CarComplaints.com lists 5 owner complaints, average mileage 7,550 miles.
NHTSA has 94 owner complaints for the 2018 Equinox in this area. Examples:
- NHTSA complaint ODI #11763908 (filed 09/13/2026): “On approximately 09/04/2026, while driving my vehicle and slowing to a stop, i applied the brake pedal and it suddenly became extremely hard to depress. at approximately the same time, the steering became very stiff and difficult to turn. i believed i had lost…”
- NHTSA complaint ODI #11758016 (filed 08/19/2026): “While driving, the vehicle experienced a sudden, catastrophic loss of engine power accompanied by severe engine shaking, reduced acceleration, and a lit check engine / esc light. the vehicle was towed to a technician who diagnosed a complete dead misfire in cy…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto