Q: Emission control leak.

asked by on

The Check Engine light comes on with code P0455, which means a leak in the emission control system.

This code may be caused by the canister purge solenoid is leaking or you did not tighten the gas cap. Either way the leak should be cleared first and do a physical inspection of the fuel system. Then to check for leaks with a smoke machine by a professional mechanic if nothing visual was found to be the cause. The smoke test may find the leak and then it can be fixed.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Emission control leak.

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: P0455 2005 Chevy Monte Carlo

The code P0455 is for a gross leak in the evaporative gas tank system and will not have any thing to do with overheating, but may have something to do with other issues. The overheating would should be the first...

Q: Truck runs smoothly with no misfires but CEL is on and bank 1 is running too lean.

Hi there. The P0171 code singles out bank 1; the airflow meter feeds both banks and if it was at fault you would codes for bank 1 and bank 2. Congrats on not breaking any of the spark plugs and...

Q: Vehicle stalled while driving

There are countless potential causes for your problem. The first step is to retrieve the diagnostic trouble code (DTC) associated with your check engine light. This code provides a starting point for the diagnostic procedure. Regardless, any testing will have...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...