Connect with us

Asian

Acura Tech Tip: EVAP Large Leak Due To Gas Cap (Codes P0455 And P0456)

On some 2012-2013 Acura ILX, MDX, RDX, TL, TSX and ZDX models, the stock gas cap can cause codes P0455 (EVAP system large leak) and/or P0456 (EVAP system very small leak detected). The gas cap may also be loose or have a stick-slip feeling when tightened.

Advertisement

On some 2012-2013 Acura ILX, MDX, RDX, TL, TSX and ZDX models, the stock gas cap can cause codes P0455 (EVAP system large leak) and/or P0456 (EVAP system very small leak detected). The gas cap may also be loose or have a stick-slip feeling when tightened.

Advertisement
Click Here to Read More
Advertisement

The cause of the codes is a fuel fill cap gasket creates too much friction, preventing the cap from sealing properly. If the gasket is brown, the fuel fill cap has already been replaced. If the fuel cap has a black gasket, replace it with one that has a brown gasket.

Advertisement
Click to comment

POPULAR POSTS

Sponsored Content

Leading Causes Of Ignition Coil Failures

Sponsored Content

In Search of a Good Technician

Sponsored Content

Summer Time Top-Off Troubles

Sponsored Content

How Iridium Spark Plugs Have Evolved with Engine Technology

Connect