Question about 2006 Chevrolet TrailBlazer LT
Engine light on, HOW CAN THIS BE FIX
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Posted on Jan 02, 2017
This is an EVAP system code. There is a good chance that you just didn't put your gas cap on tight enough the last time you got gas. Check your gas cap and make sure it clicks at least two times after tightening it. If after doing this and driving for a while, the code doesn't go away, you will need to have further diagnosis done as another component in the evaporative emissions control system could have failed.
Posted on Jun 14, 2010
Hello and welcome. these codes are for a evap system leak, could be a gas cap, vent valve, purge valve, tank seal leaking, or any one of the fuel fuel vapor leaking. the only way to know for sure what part needs replaced is to have the system smoke tested with a evap test station.
Posted on Oct 25, 2010
SOURCE: what can i do po455 code
P0455 CHEVROLET - Evaporative Emission Control System Leak Detected Gross Leak3http://engine-codes.com/p0455_chevrolet.htmlForum CodePossible causes- Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking
Posted on Jun 24, 2012
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