Common fault codes are p0440 16824 p0456 16840 p0442 16826 p0455 16839.
Volvo gas cap seal.
Resealing your cap allows you to retain your high quality oem cap.
It is incredibly common to see the fuel cap seals on volvo models with heavy cracks from years of fuel sitting against them.
If your gas cap is still present and in good shape but just needs a seal this is an easy fix for that annoying check engine light.
Simply pry the old seal off the cap and work this new seal over the threads up to the base of the cap.
This can cause issues on many volvo models.
Replace just the double lipped seal and solve the problem without springing for an entire gas cap.
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Product description it is very common for a cracked gas cap seal to cause minor vapor leaks and trigger a check engine light and set the emission system fault code p0442.
Not just in the fuel stench but in the evaporative control system as it can often time set check engine lights for an evap leak.
Genuine rkx gas cap replacement seal compatible with volvo applications this is a common failure point that can case check engine lights for evap leaks and other faults dont settle for aftermarket caps that cause more problems than they solve.