Audi A8 Check Fuel Cap light is on Inspection at your home or office.

Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM.

Estimate price near me

Service Location

Customer Ratings

(2,458)

How A Diagnostic Works

Instantly book a certified mobile mechanic to come to you

Mechanic diagnoses the problem and quotes necessary repairs

Your vehicle is ready to go

Fair, upfront & transparent pricing for all services

Our certified mobile mechanics can come to you now.

Customer Ratings

(2,458)

Check Fuel Cap light is on Inspection Service

How much does a Check Fuel Cap light is on Inspection cost?

On average, the cost for a Audi A8 Check Fuel Cap light is on Inspection is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1998 Audi A8V8-3.7LService typeCheck Fuel Cap light is on InspectionEstimate$114.99Shop/Dealer Price$132.49 - $145.62
1999 Audi A8V8-3.7LService typeCheck Fuel Cap light is on InspectionEstimate$94.99Shop/Dealer Price$112.52 - $125.67
1997 Audi A8V8-3.7LService typeCheck Fuel Cap light is on InspectionEstimate$94.99Shop/Dealer Price$112.52 - $125.67
Show example Audi A8 Check Fuel Cap light is on Inspection prices

It’s never fun to see a warning light illuminate on your dashboard. However, as far as warning lights go, the Check Fuel Cap light is relatively mild. Nonetheless, fuel caps are important, and shouldn’t be ignored.

How this system works:

It’s important for your gas cap to stay on, because it prevents spillage, evaporation, and contamination of the gas tank. To help the driver keep the gas cap on at all times, your car has a Check Fuel Cap light that illuminates when the vehicle senses that the fuel cap is not securely fastened to the fuel tank.

Common reasons for this to happen:

There are four primary reasons for why the Check Fuel Cap light might come on:

  • Fuel cap is not on: The Check Fuel Cap light exists to remind you that you forgot to put the fuel cap on. It’s not uncommon for drivers to take off the fuel cap at the gas station, fuel their car, and then drive off without ever screwing the gas cap back on. If your Check Fuel Cap light comes on, it may simply be that you blanked and forgot to put the cap back on the tank.

  • Fuel cap is not securely fastened: The Check Fuel Cap light can come on even if the gas cap is on. If the fuel cap is not completely fastened, the vehicle will not recognize that the cap is on. Some fuel caps can be a little tricky to securely fasten, so make sure that your gas cap turns until it clicks, or until it feels perfectly tight.

  • Dirty gas cap O ring: The fuel cap has an O ring that is an important part of your car recognizing when the cap is on. Sometimes this O ring needs to be cleaned and lubricated in order for the car to tell that the gas cap is on.

  • Faulty Check Fuel Cap indicator: It’s possible that your vehicle’s electrical unit is malfunctioning, and that the Check Fuel Cap warning light shouldn’t actually be illuminated. This is a rather rare occurrence, but it can happen.

What to expect:

A top-rated mobile mechanic will come to your home or office to determine the cause of the Check Fuel Cap light, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs.

How it's done:

A mechanic will inspect your gas cap and gas tank and should be able to quickly determine what is causing the Check Fuel Cap warning light to come on. After determining the problem, the fix will be a quick and relatively easy replacement or repair. In some cases, the mechanic will also need to clear the trouble codes.

How important is this service?

Gas caps play an important role for your car. They keep debris from contaminating the fuel that your vehicle needs, and they also keep the gas from sloshing out, evaporating, or spilling in the event of an accident. The Check Fuel Cap warning light may not be as serious as some other lights, but all warning lights should be inspected right away.

Fast and easy service at your home or office

Backed by 12-month, 12.000-mile guarantee


Meet some of our expert Audi mechanics

Real customer reviews from Audi owners like you.

Excellent Rating

(2,458)

Rating Summary
2,279
87
19
12
61
2,279
87
19
12
61

Tien

23 years of experience
903 reviews
Tien
23 years of experience
Audi A6 Quattro V6-2.8L - 45,000 Miles Maintenance Service - Lafayette, California
Tien was courteous, efficient and clearly communicated the issues with car and my options going forward. It was money well spent.

Mazyar

8 years of experience
493 reviews
Mazyar
8 years of experience
Audi Q7 V6-3.0L Turbo - Serpentine/Drive Belt - Duluth, Georgia
Fast and efficient he was very professional

H

26 years of experience
828 reviews
H
26 years of experience
Audi Q5 V6-3.0L Turbo - Check Engine Light is on - Palo Alto, California
Amazing service!

Todd

26 years of experience
95 reviews
Todd
26 years of experience
Audi A6 Quattro V6-3.0L Turbo - Pre-purchase Car Inspection - Hampton, Virginia
Todd was fantastic. His overall assessment of the car was thorough, but there were some things I wanted him to pay special attention to that were specific to reported concerns with the mfg. This is where he earned my respect and appreciation. First, he was 100% up front with what he knows and doesn't know regarding the questions I asked him to look into. Big plus right there! He gave an in-depth feedback on what he learned - both from his inspection, and from searching online - big thanks! He was also upfront about his automotive expertise, where I learned he's a real pro. I'm not a car person, and my hearing leaves a lot to be desired lol, but I was easily able to follow and understand him. His honesty, expertise, thoroughness, and the ease I had in talking with him made this a great experience with Todd and Your Mechanic. I'd recommend him again in a heartbeat. Cars is his passion, and customer service comes naturally to him. Thank you so much, Todd!!

Excellent Rating

(2,458)

Rating Summary
2,279
87
19
12
61
2,279
87
19
12
61
Number of Audi services completed
27038+
services done by our mechanics
TOTAL NUMBER OF EXPERT Audi MECHANICS
700+
experts on our platform

Recent articles & questions

Symptoms of a Bad or Failing Evaporator Temperature Sensor (Switch)
Common signs include lack of cold air coming from AC, temperature fluctuations, and the AC compressor not activating.
How to Install Car Speakers
Is Is it time to install new speakers? If you hear rattling or excessive humming or buzzing coming from your car speakers, it may be time to replace your old speakers (https://www.yourmechanic.com/article/how-to-replace-your-car-speakers). Or, if you are looking for extra volume,...
P2789 OBD-II Trouble Code: Clutch Adaptive Learning at Limit
P2789 means that the clutch's learning system is not performing normally because the desired adaptive response exceeds the predetermined limit.

Knocking noise while braking

Hello. This noise could be coming from the lower ball joint (https://www.yourmechanic.com/services/ball-joint-rear-replacement), lower control arm (https://www.yourmechanic.com/services/control-arm-assembly-replacement), the strut, or the strut mount. It would be a good idea to have a certified technician, like one from YourMechanic, complete an inspection...

Have a 2004 mercury Monterey and it came up with a message on the display saying fuel comp data error

Hello, thank you for writing in. The vehicle will give this warning light when the computer has detected there is an issue with the fuel system. It may mean there is an electrical issue, mechanical issue, or sensor/compilation issue. The...

I just replaced my shift interlock solenoid and and the car is still staying in park does the brake light switch interact with the shaft interlock solenoid

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (844) 997-3624 · hi@yourmechanic.com