1.5T oil dilution — fuel enters the oil, worse in cold climates/short trips.
- Typically appears
- Any
- What to inspect
- Pull the dipstick and smell for fuel; check for an over-full oil level.

The fifth-gen CR-V is a top compact SUV, but the 1.5T engine's oil-dilution issue is the key thing to verify before buying.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed July 2026
The most commonly reported faults on the 2017–2022 Honda CR-V are 1.5T oil dilution — fuel enters the oil, worse in cold climates/short trips, AC condenser failure / refrigerant leaks and Vibration at idle on 1.5T from oil dilution. 1 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.
Based on the documented faults on this page for the Honda CR-V.
Guidance only · reflects reported patterns, not a specific car's condition.
1.5T oil dilution — fuel enters the oil, worse in cold climates/short trips.
AC condenser failure / refrigerant leaks.
Infotainment freezes and rearview-camera glitches.
Vibration at idle on 1.5T from oil dilution.
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Check this exact carThe 1.5T is prone to fuel diluting the oil; software updates and highway use help — always inspect the oil.
The naturally aspirated 2.4L (2017 base/earlier) avoids the oil-dilution issue and is very reliable.
Yes — it's one of the most dependable compact SUVs, with the 1.5T oil concern the main caveat.
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.