2.4L Ecotec excessive oil consumption (piston rings) — can starve the engine of oil.
- Typically appears
- 60,000+ miles
- What to inspect
- Check oil level, watch for low-oil warnings, and confirm any ring/engine work.
The Equinox is a roomy compact SUV, but the 2.4L Ecotec engine's oil consumption and timing chain are the defining concerns.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed July 2026
2.4L Ecotec excessive oil consumption (piston rings) — can starve the engine of oil.
Timing chain stretch on the 2.4L.
AC compressor failure.
Stalling / no-start on the 2.4L.
Generate a full, tickable pre-purchase checklist tailored to this exact vehicle — add photos and notes as you inspect.
Generate a free checklistThe 2.4L Ecotec is notorious for oil consumption — check the level often and verify the history before buying.
The 3.6L V6 avoids the 2.4L's oil-consumption issue but uses more fuel.
Body and interior are fine, but the 2.4L engine's oil use is a serious buying risk to check.
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.