How Much Does it Cost to Fix P0455 Code

How Much Does it Cost to Fix P0455 Code?

Posted on

This post contains affiliate links. This means I will make a commission at no extra cost to you should you click through and make a purchase [ “As an Amazon Associate, I earn from qualifying purchases.” ]. Read the full disclosure here.

How much does it cost to fix P0455 code? – Understanding the Costs of Resolving a P0455 Code in Your Vehicle GuideMechanic.Com When your vehicle’s check engine light flickers on, it can be a cause for concern, especially if you’re not familiar with automotive diagnostics.

One common culprit behind such warnings is the P0455 code, indicating a problem with your vehicle’s evaporative emission control system. Understanding what this code means and how much it might cost to fix it can alleviate some of the stress associated with unexpected car troubles.

See Also: P0441-00 Range Rover

How Much Does it Cost to Fix P0455 Code?

What is the P0455 Code?

How Much Does it Cost to Fix P0455 Code

The P0455 code is a generic OBD-II trouble code that indicates a large leak in the evaporative emission control system (EVAP). The EVAP system is designed to capture and store fuel vapors from the fuel tank, preventing them from escaping into the atmosphere and contributing to pollution.

A large leak in this system can lead to increased emissions and may also cause other issues such as decreased fuel efficiency and engine performance.

Common Causes of a P0455 Code:

Several factors can contribute to the triggering of a P0455 code. These include:

Loose or damaged gas cap:

A loose, damaged, or missing gas cap is one of the most common causes of a P0455 code. A faulty seal can allow fuel vapors to escape from the fuel tank.

Leaking EVAP system hoses:

Over time, the hoses and connections in the EVAP system can degrade or become damaged, leading to leaks.

Faulty purge valve:

The purge valve is responsible for controlling the flow of fuel vapors from the charcoal canister to the engine. A malfunctioning purge valve can result in a P0455 code.

Cracked or damaged charcoal canister:

The charcoal canister absorbs and stores fuel vapors until they can be purged from the system. If the canister becomes cracked or damaged, it may not be able to perform this function effectively.

Leaking fuel filler neck:

The fuel filler neck connects the fuel tank to the gas cap and can develop leaks over time, leading to a P0455 code.

How Much Does it Cost to Fix P0455 Code?

Costs Associated with Fixing a P0455 Code:

How Much Does it Cost to Fix P0455 Code

The cost of fixing a P0455 code can vary depending on several factors, including the underlying cause of the issue, the make and model of your vehicle, and labor rates in your area. Here’s a breakdown of potential costs associated with resolving a P0455 code:

Diagnostic Fee:

When your vehicle’s check engine light illuminates, the first step is usually to have the problem diagnosed by a qualified mechanic. Diagnostic fees can vary but typically range from $50 to $150.

During the diagnostic process, the mechanic will use specialized tools to retrieve the stored trouble codes from your vehicle’s onboard computer and perform additional tests to pinpoint the source of the issue.

Gas Cap Replacement:

Check out this Gas Cap Replacement 95995094 for Buick LaCrosse Rendezvous,Chevy Malibu Impala Equinox Colorado Trailblazer,Cadillac CTS STS DTS SRX XLR,Pontiac G5 G6 Grand Prix,GMC Canyon Envoy Savana Fuel Cap

How Much Does it Cost to Fix P0455 Code

If the cause of the P0455 code is determined to be a loose, damaged, or missing gas cap, replacing it is usually a straightforward and relatively inexpensive fix. Gas caps typically cost between $10 and $50, depending on the make and model of your vehicle.

EVAP System Repairs:

If the issue lies elsewhere in the EVAP system, such as leaking hoses, a faulty purge valve, or a damaged charcoal canister, the cost of repairs can be higher.

Replacing hoses and valves may cost anywhere from $100 to $500, while replacing a charcoal canister can range from $200 to $600 or more, depending on the complexity of the repair and the cost of parts.

Labor Costs:

Labor costs can vary significantly depending on the complexity of the repair and labor rates in your area. Simple fixes like replacing a gas cap may only take a few minutes, while more involved repairs such as replacing the charcoal canister may require several hours of labor. Labor rates typically range from $50 to $150 per hour.

Additional Costs:

In some cases, additional components of the EVAP system may also require attention. For example, if the fuel filler neck is found to be leaking, replacing it can cost several hundred dollars.

Additionally, if the P0455 code is indicative of a more serious underlying issue with your vehicle’s engine or emissions system, further diagnostics and repairs may be necessary, potentially driving up the overall cost.

How Much Does it Cost to Fix P0455 Code?


Dealing with a P0455 code can be a frustrating experience, but understanding the potential costs involved can help you make informed decisions about how to proceed.

Whether it’s a simple fix like tightening your gas cap or a more involved repair to your vehicle’s EVAP system, working with a qualified mechanic is key to resolving the issue efficiently and effectively.

By addressing the problem promptly, you can ensure that your vehicle remains safe, reliable, and environmentally friendly for miles to come.

See Also: How do I fix code P0170?


Leave a Reply

Your email address will not be published. Required fields are marked *