Where to find an emissions test in Lincolnshire

You can get an emissions test at any MOT testing station in Lincolnshire that holds a current MOT licence. The Driver and Vehicle Standards Agency (DVSA) maintains a searchable list of all authorised testing stations on their website — you can filter by postcode to find stations near you. Most garages that perform MOT tests also offer emissions testing on the same visit, since the emissions check is part of the standard MOT procedure for petrol and diesel vehicles.

If your vehicle is due for its MOT, the emissions test happens automatically as part of that inspection. You do not need to book a separate appointment for emissions testing alone. However, if you want to check your vehicle's emissions before the MOT is due — for example, if you are concerned about a warning light or poor performance — you can contact a local garage and ask whether they offer standalone emissions checks. Some do, though this is less common than combined MOT and emissions testing.

The cost of emissions testing varies by garage. When the test is part of your MOT, there is no separate charge — you pay the standard MOT fee, which is set nationally. If you request a standalone emissions check outside of an MOT, garages set their own prices, typically ranging from £20 to £50, though you should call ahead to confirm.

Key Takeaways

  • Any MOT testing station in Lincolnshire can perform an emissions test, and you can find one near you using the DVSA's online station locator filtered by postcode.
  • Emissions testing is included in your MOT and costs nothing extra — you pay only the standard MOT fee.
  • If you want an emissions check outside of your MOT appointment, contact a local garage to ask whether they offer this service and what they charge.
  • Petrol and diesel vehicles are tested for emissions; the specific limits and test procedure depend on your vehicle's age and fuel type.

What happens during an emissions test

During an MOT emissions test, your vehicle is placed on a rolling road or connected to a gas analyser. For petrol vehicles, the tester measures carbon monoxide (CO) and hydrocarbons (HC) in your exhaust. For diesel vehicles, the tester measures smoke opacity — how much particulate matter is in the exhaust. The vehicle must meet the limits set for its age and engine type.

The test itself takes only a few minutes. Your engine will be run at idle and then at higher revs while the equipment records the readings. You will receive a printed result showing whether your vehicle passed or failed. If it passes, this forms part of your MOT pass certificate. If it fails, you will be told what the problem is and given a chance to have the issue repaired and retested, usually within a set timeframe.

Why your vehicle might fail an emissions test

The most common reason for an emissions failure is a faulty oxygen sensor, a blocked catalytic converter, or a problem with the fuel injection system. These issues cause the engine to run too rich (burning too much fuel) or too lean (not burning fuel efficiently), which increases harmful emissions. A check engine light on your dashboard often signals one of these problems before you even book your MOT.

Other causes include a damaged exhaust system, worn engine oil, or a malfunctioning exhaust gas recirculation (EGR) valve. Some vehicles fail because they are straightforward overdue for maintenance — a regular service that includes new spark plugs and an oil change can sometimes bring emissions back within limits. If you fail, the testing station will tell you what the specific reading was and which system is likely at fault, which helps a mechanic diagnose the repair needed.

How to prepare your vehicle for an emissions test

Before your MOT and emissions test, make sure your vehicle has been driven for at least 20 minutes so the engine reaches normal operating temperature. A cold engine produces higher emissions readings and may fail even if the vehicle is fundamentally sound. If you have not driven the car for several days, take it for a run beforehand.

Check your engine oil level and top it up if needed — low oil increases emissions. If your vehicle is due for a service, have it serviced before the test. Make sure your fuel cap seals properly, as a loose cap can trigger a fault code. If your check engine light is on, have the fault code read before the test; some faults will cause an automatic emissions failure.

What to do if your vehicle fails the emissions test

If your vehicle fails, you have the right to have it retested. Most testing stations allow you to book a retest within a set period — often 10 working days — at a reduced fee or sometimes for free if you return the same day. Before you rebook, take your vehicle to a mechanic and have them diagnose and repair the fault identified in the test result.

Do not ignore a failed emissions test. In England, Wales, and Scotland, you cannot legally drive a vehicle that has failed its MOT emissions test unless you are driving it directly to a garage for repairs. If you continue to drive it otherwise, you risk a fine. Once the repair is done, return to the testing station for the retest. Most vehicles pass on the second attempt after the underlying problem is fixed.

Understanding emissions limits for different vehicle types

Emissions limits depend on your vehicle's age, fuel type, and engine size. Older petrol vehicles (pre-2006) have higher permitted limits than newer ones. Diesel vehicles have stricter smoke opacity limits. Euro standards — numbered Euro 1 through Euro 6 — define the limits, and your vehicle is tested against the standard that applied when it was first registered.

You do not need to memorise these standards; the testing station knows which standard applies to your vehicle based on its registration number and will test it accordingly. What matters is that your vehicle meets the limit for its category. If you are unsure whether your vehicle will pass, ask the testing station what the limits are for your specific vehicle before you book.

Frequently Asked Questions

Can I get an emissions test without an MOT?

Yes, some garages offer standalone emissions checks, though this is less common than combined MOT and emissions testing. Call local garages in Lincolnshire and ask whether they provide this service. You will pay a separate fee, typically £20 to £50.

What if I fail the emissions test but cannot afford the repair?

If the repair cost is very high, you may want to get a second opinion from another mechanic before proceeding. Some repairs are straightforward and inexpensive; others are more costly. A mechanic can give you an estimate before you commit. If you cannot afford the repair, you cannot legally use the vehicle on the road.

How long does an emissions test take?

The actual test takes only a few minutes. However, your full MOT appointment, which includes the emissions test, typically takes 45 minutes to an hour depending on how busy the testing station is.

Do I need to book an emissions test separately from my MOT?

No. If your vehicle is due for an MOT, the emissions test is included automatically. You book one appointment and both tests happen together. You pay only the standard MOT fee.

What vehicles need an emissions test?

Petrol and diesel cars, vans, and motorcycles need emissions testing as part of their MOT. Electric vehicles do not have an emissions test because they produce no tailpipe emissions. Some specialist vehicles may be exempt; the testing station will tell you if your vehicle does not require one.