Your Technical Questions Answered

Problem with a VAUXHALL ZAFIRA 1.9L…

Poor throttle response and performance. Suspect fault due to contamination build-up in the intake…

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Problem with a LAND ROVER DISCOVERY 3…


Tapping noise on engine and slight lumpy running.
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The fault was cured by cleaning the…

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Problem with a SAAB 9-3 1.9L TiD 2005…


Poor running, hunting on idle and cutting out, suspect fault due to contaminated injectors.

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Problem with a NISSAN QASHQAI +2 2011…

DPF fault and vehicle unable to run due to excessively blocked DPF, fault caused by an air intake…

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Problem with a MERCEDES E320 3.0L CDi…


Engine management light on and lack of power, fault code stored for turbo boost condition.

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Problem with a FORD TRANSIT CONNECT 1…


Lack of power and engine management light on, fault code stored for DPF. Suspect DPF heavily…

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Problem with a BMW 530D 3.0L 2006 148K

BMW 530D 3.0L 2006 148K - Lack of power due to engine running in limp mode, engine management and…

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Problem with a VAUXHALL ASTRA 1.4 16v…

Excessive noise from hydraulic valve lifters and timing chain noisy. Suspect fault due to heavily…

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Problem with a SUZUKI GSX KATANA 750cc…


Lack of power and high pitched engine vibration.
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The fault was cured by addingForté…

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Problem with a SKODA ROOMSTER 1.6L TDi…


Lack of power and DPF warning light on, DPF blocked due to short journeys.
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The fault…

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Forte is a name that is synonymous with the very best in effective engine treatments. Our products are used on a regular basis by over 9,000 garages in the UK and our programmes are now part of the ‘norm’ when it comes to servicing a vehicle.

Forte have over 37 years worth of experience in the UK helping and advising garages on how to make a noticeable difference to a car’s performance and enhancing customer satisfaction.

Forte products are for trade only use and not for retail sale.

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