Problem with a MAZDA BONGO 2.5 L 2005 60k

Judder and hesitation when changing gear on automatic gearbox, suspect fault due to contamination build-up.

The fault was cured by draining and replacing the automatic transmission fluid, adding Forté Automatic Transmission Treatment and carrying out an extended road test.

Thanks to Autocare Wrekenton in Gateshead, Tyne and Wear.

Problem with a MAZDA 6 2.0d 2008 155k

Lack of power due to engine running in limp mode and diesel particulate filter (DPF) warning light on.

Fault code stored for DPF blockage, unable to carry out regeneration of DPF due to soot loading.

The fault was cured by removing the DPF to manually clean using 2 x Forté DPF Off-Car Cleaner as per instructions, carrying out an extended Forté New Generation Engine Flush and adding Forté Diesel Specialist Injector Cleaner and Forté DPF Cleaner and Regenerator into the fuel tank.

The DPF was then regenerated and reset using diagnostic equipment and taken on an extended road test with the vehicle power and performance restored.

Thanks to Duncan at Ray Chandler; Station Garage in Fareham, Hampshire.

Problem with a SAAB 9-3 1.9 L CDTi 2004 150k

Lack of power and engine management light (EML) on due to blocked diesel particulate filter (DPF), fault caused by a faulty EGR valve preventing regeneration of DPF.

The fault was cured by fitting a new EGR valve and removing the DPF to manually clean using 2 x Forté DPF Off-Car Cleaner as per instructions. The vehicle was then taken on an extended road test with the vehicle power and performance restored.

Thanks to Michael at Kelly’s Garage in Byker, Newcastle-upon-Tyne.   
     


         
   

Problem with a VAUXHALL VECTRA 3.0 L V6 CDTi 2005 170k

Lack of power and EML on due to blocked Diesel Particulate Filter (DPF). Fault code stored for DPF pressure.

The fault was cured by removing the DPF and manually cleaning with Forté DPF Off-Car Cleaner as per instructions, carrying out an extended Forté Advanced Formula Motor Flush, adding Forté Diesel Specialist Injector Cleaner and Forté DPF Cleaner and Regenerator into the fuel tank.
The vehicle was then taken on an extended road test with the vehicle power and performance restored.

Thanks to Bob at Court Vehicle Services in Winterbourne, Bristol.   
         
   
     

Problem with a BMW X3 2.0d 2007 83k

Lack of power and Diesel Particulate Filter (DPF) warning light on. Fault caused by restricted exhaust gas flow due to DPF blockage. After further investigation the oil was also checked which was thick and heavily contaminated.

The fault was cured by replacing the DPF pressure sensor, adding 2 x Forté New Generation Engine Flush, carrying out an extended flush and adding 2 x Forté Diesel Specialist Injector Cleaner, 2 x Forté DPF Cleaner and Regenerator into the tank. The vehicle was then taken on an extended road test with the vehicle power and performance restored.

Thanks to Mike at CMR Workshop in Croydon, Surrey.