Smart/MCC EGR Valve replacement made easy

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Top Mechanics For Smart/MCC EGR Valve Replacement & Repairs

7 Reviews

Garage in Wiltshire, 19 years of experience

My name is Greg and cars are my passion. I’ve been working as a mechanic since 19 years old in Dealerships like Renault or Honda and independent garages. I really enjoy working on cars and I always try to pr...

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Garage in Swindon, 20 years of experience

I did my apprenticeship at a garage in Swindon as I studied with Northstar College. After graduating I left and went to Charlie Browns auto services for 2-3 years. Following my time at Charlie Browns I went ...

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Garage in Newcastle Upon Tyne , 20 years of experience

Welcome to Miah Automotive, where automotive excellence meets dedicated service. Our skilled technicians bring years of expertise to every job, ensuring your vehicle receives the care it deserves. From routi...

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Garage in Caterham, 14 years of experience

I have 8 years of experience in the automotive repair industry. I did my apprenticeship at a garage in London and have done mechanical work ever since. I worked at a garage for a few years after the apprenti...

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Mobile mechanic in Howwood, 5 years of experience

worked in garages for 5 years servicing and maintaining all types of vehicles as well as doing 24 hour roadside recovery

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Garage in Hull, 15 years of experience

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Garage in Fowey, 27 years of experience

Have worked at 3 garages throughout my career Specialising in diagnostics and general repairs I have just opened my own garage in Fowey This is a list of the work I can undertake diagnostics ,Cambelts...

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Garage in Leek, 5 years of experience

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Mobile mechanic in Basingstoke , 14 years of experience

Throughout my career, I've consistently valued honesty and transparency, catering to customers with varying levels of mechanical knowledge. My commitment is to ensure clients comprehend necessary work and fe...

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An exciting new company established in Dec 2022 specialising in mobile mechanics. The hassle of dropping your car off and picking your car up from a garage is over. We cover a several areas those being, Ayrs...

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Garage in Birmingham, 7 years of experience

Worked in an independent garage for 5 years Currently self-employed Can take on following jobs: - Timing belts/ timing chains - Clutch installation - Diagnostics - Engine work - Suspension wo...

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Mobile mechanic in Shavington, 14 years of experience

16 Years motor trade experience. 4 years self employed mobile mechanic Formula one autocentres - 2 years assistant manager position learning business aspect of trade

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I'm a mobile mechanic with wide range of experience with the diagnostic , general repair , electrical repair and electronics in automotive industry with 15 years of experience.

Frequently asked questions about Smart/MCC EGR valve replacement & repairs

Read our answers to questions about EGR valve replacement costs, symptoms and more.

What does an egr valve replacement on my Smart/MCC involve?

Whilst there are quite obviously many different engine designs on the market, there are as many different processes to change one.

There are some basic steps though that are common

  • The mechanic will physically inspect the area around the EGR valve for leaks
  • A full diagnostic test will be carried out with monitoring of live data
  • If deemed to be faulty and once the engine has cooled, the EGR valve will be removed and replaced
  • Diagnostic checks will be rerun and codes cleared down
  • Vehicle will be road tested

What are the symptoms of a failing Smart/MCC EGR valve?

An efficiently operating EGR valve is paramount to engine performance and a faulty one can make starting difficult and reduce performance considerably.
Some of the typical symptoms are

  • Difficulty in starting
  • Rough engine idle and stalling
  • Poor running
  • Reduced performance
  • Higher fuel consumption
  • Engine management light illuminated
  • MOT failure on emissions

How long will an egr valve replacement take on my Smart/MCC?

On average, egr valve replacement times can range from 1 hour to 3 hours with an average of 1.5 hours. The time that the job takes will depend on a number of factors, like your vehicle's make and model, year, as well as other factors. Select your car at the top of this page for information on job time and cost for your vehicle through ClickMechanic.

How often should the EGR valve be replaced on my Smart/MCC ?

While there is no set lifespan for an EGR valve as soon as you are aware of any issues with the EGR, you will need to get an engine diagnostics check, even if the EML (engine management light) isn’t on. You may have experienced the light come on and then go aff the next time the engine is started and this can be a sign that the valve is beginning to stick.

Once an EGR valve begins to fail, it will expire fairly rapidly. The more the exhaust gases flow over it in a stuck position, the worse it will become. Therefore, get it checked to be 100% certain, then get it changed.

How common is an exhaust gas recirculation (EGR) valve replacement on my Smart/MCC?

With exhaust gases flowing through the unit, it will eventually succumb to the deposits of carbon and hydrocarbons etc and it will seize. Therefore replacing an EGR valve as an all too common repair.

How can I extend the life of my Smart/MCC exhaust gas recirculation (EGR) valve?

Whilst you may not think you can have any influence over this, common sense dictates that the more efficient an engine is running, the cleaner the exhaust gasses will be. Therefore regular servicing, including the fuel filter is important.

Using quality fuel with its cleansing additives can also extend the units life as a result of a cleaner burning engine as above.

Using so called EGR system cleaners that simply get poured into the fuel tank, will not directly actually clean the EGR valve, but as previously explained, a cleaner running engine = less deposits.

How much does it cost to clean EGR on Smart/MCC?

On average it can cost between £150 to £500 to clean an EGR valve, depending on the make and model of your car. Some EGR valves take a lot of time to remove and refit, sometimes up 5-6 hours, and on top of that 2 hours to clean the EGR valve.

How to stop Smart/MCC EGR valves from clogging?

Using slightly better quality diesel with additives may help prevent the EGR valve clogging up. Regular maintenance is also key to avoid EGR valve problems.

Can local garages offer home collection and delivery for Smart/MCC egr valve replacement?

Yes, many local garages are able to offer collection and delivery for an egr valve replacement on your Smart/MCC. With ClickMechanic collection & delivery is free if your vehicle is drivable. Once booked a mechanic will pick up the vehicle on the day and time of your choice, do the work, and return the vehicle at a time convenient to you. Simply enter your vehicle registration number and postcode to get an upfront price for a egr valve replacement on your Smart/MCC.

Can mobile mechanics do Smart/MCC egr valve replacement at my home or office?

Yes, mobile mechanics can do an egr valve replacement at your home or office on your Smart/MCC, provided there is a safe and sufficient space to conduct the repair or replacement. With ClickMechanic, once booked for a date and time of your choice, your booking will be offered to vetted mobile mechanics in your area.

How much does a Smart/MCC EGR valve replacement cost?

The cost for a Smart/MCC EGR valve replacement depends on the model of your Smart/MCC. See the averages for different models below. We use industry standard data & millions of data points so you know what you should be paying.

These estimates may include Exhaust gas recirculation (EGR) valve, Exhaust gas recirculation (EGR) valve - passenger side and/or Exhaust gas recirculation (EGR) valve - driver side.

Name Average Cost
Smart fortwo £129 Get exact price

Estimates on average repair costs, such as the above results for an egr valve replacement, are based on ClickMechanic's quote data which combines multiple third-party sources. Actual costs may vary. We provide estimates on average repair costs for information only and accept no liability for any inaccuracies or errors. If you think an estimate is incorrect, please contact us to let us know.

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