Essex Rd: 01256 819 601
Town centre location, Near BCOT

Essex Rd: 01256 819 601Town centre location, Near BCOT

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MOT exhaust emissions failure

My car has failed its MOT on exhaust emissions! What do I do now?

All cars are subject to exhaust emission tests. Cars registered after 1992 are required to pass even more stringent testing, post 2005 vehicles are subject to tighter restrictions. This is becoming stricter every year.

Diagnosing emission failures requires the following steps:

1 Computer Diagnostic Code Read Only: This service is available for £39.98 inc VAT. For this service we plug in our diagnostic service computer and down-load the fault codes stored on your cars on-board computer, convert the codes to text and give you the print out. You can then decide whether to act on this information without us checking further, and instruct us accordingly.

2 Computer Diagnostics: The computer diagnostics check is £70 inc VAT and includes up to one hour of labour and all further computer code readings for three months or 3,000 miles.

3Manual Diagnostics: If your vehicles ECU has either no fault codes or none relevant to the emissions failure, further manual diagnostic checking will be required subject to the hourly labour rate. This further investigation service may require either electrical diagnostic or manual checking of the catalytic converter system.

However unlikely it is that we are unable to access/communicate with your vehicles ECU with one of our five diagnostics computers, you will not be charged for this service.

Buy with confidence...


We are approved by Trading Standards to ensure that we operate in a legal, honest and fair way.
We provide a "No nonsense guarantee" on all of our work. All repairs carried out come complete with a Nationwide Guarantee. You don't have to pay any extra for this!