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The Engine Tuning Shop
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Welcome To Our Shop!

Optimum fuel economy when wanted - Optimum horsepower when needed.

Our products and services can essentially be divided into six categories:

1. Performance parts for engine tuning.
2. New replacement OE sensors.
3. Refurbished/reconditioned used parts.
4. Tools and equipment.
5. Workshop services.
6. Personal posessions.

Ultrasonic Fuel Injector/Carb Cleaning

We can make your used injectors flow as good as new for a fraction of the price. We are able to clean all makes of injectors, including MFi, GDi, Japanese (Denso etc) and diesel injectors. We can sometimes bring non-functioning injectors back from the dead!

Please purchase this service from our eBay shop

There is no better way to reduce your fuel expenditure than by fitting ultrasonically cleaned injectors. Magnets, vortex generators and Ecotek valves are 'fool's gold' with impossible scientific claims that no maker has been able to substantiate in court. Even in-tank cleaners are near useless by comparison with ultrasonic cleaning.

The following videos demonstrate our work in greater depth.

Our service:

Restores peak horsepower
Restores fuel economy
Restores engine smoothness
Improves acceleration
Improves cold starting
Improves poor idling
Reduces engine hesitation
Reduces exhaust emissions
Reduces engine wear & tear

Please review our feedback from satisfied customers!

We test and ultrasonic clean all types of petrol and diesel injectors for what we believe to be the best price anywhere in the UK. Please email us for free advice regarding fuel injection problems and tuning.

Beware eBay users selling 'cleaned' injectors without offering this service.
They are most likely fraudsters.

Good injectors bought for cash - Please email to discuss prices.

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Please add our store to your favourite sellers list. New items are being added on a daily basis and we may have what you are looking for!

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The Engine Tuning Shop
Payment Methods Post & Packing

Payment should be received within 7 days of purchase and goods will only be dispatched when payment has been made in full.



PayPal is our preferred method of payment and we do not surcharge our customers for using it. We are a PayPal verified user with over 1,000 verified transactions. All transactions are covered by the PayPal Buyer Protection Programme up to the sum of £500.


Credit / Debit Card

Don't have a PayPal account? Don't worry - we can still accept your card payment though PayPal without you needing to register - simply select the appropriate option when making payment.


Cheques / Postal Orders

We do not accept cheques. Postal Orders are welcome as a means of payment though please remember to let us know what your payment is for.


All postage prices are reflective of our costs incurred though postage, packaging, handling and insurance. We will gladly combine postage for multiple item purchases to reflect a more realistic price.


Buy it Now items are generally posted the next working day. Auction items are bulk posted on the Thursday after payment has been received. Most of our items are sent with Royal Mail's 'Recorded' or 'Special' delivery services and will require a signature upon delivery.

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We are a small, experienced co-operative of automotive engineers with over 5 years experience of using eBay. We aim to answer all questions within 24 hours and are happy to offer advice relating to all automotive issues for free.

Please click the 'Contact Us' button (above) for all enquiries.

The Engine Tuning Shop The Engine Tuning Shop

Terms & Conditions

By bidding with or buying from us you are accepting the following terms:


All our items are tested under simulated engine operating conditions before dispatch and are security marked to prevent fraud. This means we are happy to offer a refund in the unlikely event of a non-function item. However, should an item appear not to function when fitted it is highly likely that the item was not the cause of your problem. We charge a nominal restocking fee for all items purchased in error, which must be returned undamaged.


We aim to describe our items as accurately as possible though all used items are sold 'as is' under the principal of 'buyer beware'. Inspection is welcome before bidding or buying.


Full postage rates are due on all items prior to redelivery.


We are happy to leave excellent feedback for our customers using our automated feedback system. In the event of a problem, we respectfully request that all buyers contact us prior to leaving negative or neutral feedback. We will do everything reasonable to address your problem.

General Terms & Conditions:

All goods are sold with a one year or lifetime (as stated) 'back to base' warranty (replacement or pro-rata refund) starting from the date of purchase. All services are offered using estimated prices for what we consider to reasonably cover the cost of our work. Our service estimates do not cover broken/worn parts needing to be replaced, parts broken or damaged during disassembly, seals & installation components, installation codes or labour, postage to us or damaged caused by courier/postage to or from us.

We will assist with any reasonable problem or concern where possible. Customers should contact us prior to purchase/rendering our services in order to ascertain the suitability of the product/service for their requirements.

Any goods subject to a warranty claim must be returned or delivered to us at the customer's expense for inspection and any necessary repairs/replacement.

We will repair and return to the customer any defective or faulty goods at our own cost provided that:

1. We were notified of the fault within one year from the date of purchase
2. The fault was not caused by misuse, neglect or unauthorised modification

All goods are open to inspection at our premises in Devizes prior to purchase and all enquiries received regarding suitability and specification will be answered to the best of our ability prior to purchase.

Some 'Highlands & Islands' postal addresses will require a surcharge for delivery. Please contact us prior to purchase for a quotation. If not contact is made we will offer the customer the opportunity to pay the surcharge or cancel the transaction.

Most of our products are sent using a tracked service though some lower value items are sent using proof of postage only. Tracking/tracing numbers are used for us to ensure that you have received the item and are not shared with customers. However, we will share tracking information (at our discretion) with the customer if requested to do so.

Any items deemed to be unsuitable or unwanted by the customer must be returned or delivered to us unused and in their original packaging by the customer at their own cost within 14 days of purchase for a refund at cost - that is, less any costs incurred by us though postage, packaging and the sale of the item.

These terms and conditions do not affect your statutory rights as defined in law.

The Engine Tuning Shop