Chevy Impala Gas Cap Problems

Here are the most common things that are done to diagnose the code.

Chevy impala gas cap problems.

What is happening is that the evaporative emission system is sensing a large leak. A mechanic has a wide range of instruments at his or her disposal to diagnose what would be causing the p0449 in your chevy impala. The computer sees this as the most probable cause is a loose gas cap depending on several factors it looks at. 4 6 out of 5 stars 1 588.

Acdelco gt283 gm original equipment black fuel tank cap. Chevrolet malibu check engine light due to gas cap issue 248 reports. Solved the rough running engine and check engine light went off after a couple of days. The gas cap is a part of the vehicle s evaporative emissions system and can cause problems with the system if it has an issue.

On a 2006 chevy impala it tells you to tighten the gas cap. 1 16 of 629 results for chevy impala gas cap filter results by your vehicle. If it does not click in place or is loose after clicking into place the cap needs to be replaced. An improperly sealing fuel cap may cause an evap system leak which will set off the check engine light when the the computer detects the leak.

Free same day store pickup. The check engine light should go off after you drive for several minutes if the light was caused by a loose gas cap. P0449 diagnosis chevy impala. Check out free battery charging and engine diagnostic testing while you are in store.

There is no sensor for a loose gas cap. Learn about this problem why it occurs and how to fix it. The mechanic will inspect the gas cap to make sure that it can handle pressure. Many drivers of impalas from every model year reported an illuminated check engine light due to a loose fitting gas cap.

Happened again and replaced the gas cap and no more problems. Chevrolet impala check engine light due to gas cap issue 303 reports. Enter a new vehicle amazon s choice for chevy impala gas cap. Enter a new vehicle to add it to your garage and filter the results below.

Then tighten the gas cap with your hand until you hear the cap click in place.