Problem with a VAUXHALL ASTRA 1.9 CDTI 2007 106K

Lack of power on acceleration. 

The fault was cured by removing and cleaning the EGR valve with Forté Diesel Intake Cleaner and cleaning the intake system with Forté Diesel Intake Cleaner as per instructions, Forté Clean and Protect (Forté Oil System Protector and Forté Advanced Formula Motor Flush) carried out and Forté Advanced Formula Diesel Treatment added to the fuel tank. After treatment, a 6-mile road test was carried out and the vehicle performance was restored.

Problem with a FORD MONDEO 2.0L 2001

Lack of power and management light on intermittently, fault code stored for EGR valve, suspected EGR valve sticking. 

The fault was cured by adding 2 x Forté Advanced Formula Gas Treatment to the fuel tank and carrying out an extended road test.

Problem with a MITSUBISHI GRANDIS 2006 2.0L TDI 60K

Lack of power under load, Management light on fault code for EGR valve. Vehicle in limp mode and will not rev above 2500 rpm. 

The fault was cured by removing and cleaning the EGR valve manually. Intake system cleaned with Forté Diesel Intake Cleaner, Clean and Protect (Forté Oil System Protector and Forté Advanced Formula Motor Flush) carried out and Forté Advanced Formula Diesel Treatment added to the fuel tank and an extended road test.

Problem with a LAND ROVER DISCOVERY 2.7L TDV6 2006 86K

Lack of power and management light on, fault code stored for EGR valve fault. 

The fault was cured by adding 2 x Forté Diesel TurboCleaner and Forté Advanced Formula Diesel Treatment into the fuel tank and carrying out an extended road test.

Problem with a VW GOLF 1.8L TURBO 2002 150K

 Lack of power, poor idle and engine will not rev up. 

The fault was cured by cleaning the intake system with Forté Valve Cleaner as per instructions, Forté Clean and Protect (Forté Oil System Protector and Forté Advanced Formula Motor Flush) carried out and Forté Advanced Formula GasTreatment added to the fuel tank. 

After treatment the vehicle was taken on an extended road test and the vehicle idle and performance was restored.

Problem with a PEUGEOT 308 1.6 2008 30K

Lack of power and erratic idle. After further inspection it was found that the fault was caused by excessive carbon build-up on the valves. 

The fault was cured by cleaning the intake system with Forté Valve Cleaner as per instructions, Clean and Protect (Forté Oil System Protector and Forté Advanced Formula Motor Flush) carried out and Forté Advanced Formula GasTreatment added to the fuel tank. After treatment, the vehicle was taken on an extended road test.

Problem with a TOYOTA HIACE 2.5L D-4D 2008 94K

Lack of power and engine management light on, fault code stored P0400 EGR system flow malfunction. New EGR valve fitted at Toyota dealers, fault still present. 

The fault was cured by cleaning the intake system with Forté Diesel Intake Cleaner as per instructions, Forté Clean and Protect (Forté Oil System Protector and Forté Advanced Formula Motor Flush) carried out and Forté Advanced Formula Diesel Treatment added to the fuel tank and a 50-mile road test was carried out. After treatment the fault code cleared and the vehicle performance was restored.

Problem with a FIAT PANDA 1.3 CDTI 2005 50K

Vehicle used for short stop/start journeys. Fault code stored for turbo and P0106 Map sensor/barometric sensor range performance. 

The fault was cured by replacing the map sensor and adding Forté Diesel Turbo Cleaner and Forté Advanced Formula Diesel Treatment to the fuel tank. The inlet system was cleaned with Forté Diesel Intake Cleaner and Clean and Protect (Forté Oil System Protector & Forté Advanced Formula Motor Flush) carried out. After the treatment, the vehicle performance was restored.

Problem with a AUDI TT 2.0L TDI 2008 52K

Lack of power, engine management light, DPF and glow plug lights on, fault code stored for diesel particulate filter soot content too high. DPF checked filter soot loading at 98%, and unable to carry out a forced regeneration.

The fault was cured by using Forté Clean & Protect, 45-minute Forté New Generation Engine Flush adding Forté Oil System Protector to the new oil and Forté DPF Cleaner and Regenerator and Forté Diesel Specialist Injector Cleaner added to the fuel tank. The car was then taken for a 1-hour road test at 60 mph 3,000 rpm to allow regeneration of the particulate filter. After the road test the DPF soot loading was reduced to 27%. The owner reported the car had never driven so well.

Problem with a SEAT LEON 2.0L TDI 2006 106K

Lack of power, engine management light on and DPF warning light on. Suspect particulate filter blocked.

The fault was cured by adding 2 x Forté DPF Cleaner and Regenerator into the fuel tank and carrying out a 20-mile road test to allow regeneration of the particulate filter. It is also recommended to use Forté Clean & Protect (Forté Advanced Formula Motor Flush and Forté Oil System Protector) to clean and maintain the oil system, and adding Forté Diesel Specialist Injector Cleaner to the fuel tank to restore spray patterns and combustion efficiency.

Problem with a VAUXHALL ZAFIRA 1.9L CDTI 2009 42K

Lack of power and engine management light on. Fault code stored P242F diesel particulate filter blockage/ash accumulation, suspect particulate filter blocked. The engine oil was also checked which was excessively overfilled due to contamination from diesel fuel.

The fault was cured by using Forté Clean & Protect, 45-minute Forté New Generation Engine Flush adding Forté Oil System Protector to the new oil and Forté DPF Cleaner and Regenerator and Forté Diesel Specialist Injector Cleaner added to the fuel tank. The car was then taken for a 20-mile road test at 40-50 mph to allow regeneration of the particulate filter.

Problem with a BMW 325D 3.0L 2007 70K

Diesel Particulate Filter warning light on and lack of power, suspect particulate filter blocked. DPF differential pressure checked, idle 152 mbar, 2,000 rpm 500 mbar, full-throttle 955 bar.

The fault was cured by adding 2 x Forté DPF Cleaner and Regenerator into the fuel tank and carrying out a 20-mile road test, after the road test the DPF differential pressure was rechecked, idle 21 mbar, 2,000 rpm 100 mbar, full-throttle 165 mbar, the recommended limit is 65 mbar for a clean DPF.

Problem with a JAGUAR XJ6 2.7L 2008 45K

Lack of power, fault code stored for DPF fault. Suspect particulate filter blocked.

The fault was cured by adding Forté Diesel Specialist Injector Cleaner and 2 x Forté DPF Cleaner and Regenerator into the fuel tank and carrying out a 20-mile road test to allow regeneration of the particulate filter. It is also recommended to use Forté Clean & Protect (Forté Advanced Formula Motor Flush and Forté Oil System Protector to clean and maintain the oil system, and adding Forté Diesel Specialist Injector Cleaner to the fuel tank to restore spray patterns and combustion efficiency.

Problem with a AUDI A4 2.0L TDI 2008 35K

Lack of power, engine management light on and DPF warning light on, fault code stored for DPF fault. Vehicle check at dealers showing the DPF filter soot loading 126%, recommending a new DPF is fitted.

The fault was cured by adding 2 x Forté DPF Cleaner and Regenerator into the fuel tank and carrying out a 20-30-mile road test at 50-60 mph 2,500 rpm. After the road test, the DPF was rechecked showing the filter soot loading at 18% and lack of power restored.

Problem with a VOLVO XC90 2.4L D5 2004 120k

Lack of power, running in limp mode and engine cutting out. Fault codes stored relating to fuel pressure.

The fault was cured by adding 2 x Forté Diesel Specialist Injector Cleaner and Forté Diesel Turbo Cleaner into the fuel tank, the car was then taken on an extended road test. The customer also reported that the fault was cured and the vehicle performance was restored.

Problem with a CITROEN C3 1.6 L HDI 2004 68K

Failing emissions test due to excessive black smoke, vehicle only used for short journeys.

The fault was cured by adding Forté Advanced FormulaDiesel Treatment into the tank and carrying out a 20-mile road test. After the road test there was only slight black smoke from the exhaust, emissions retested and passed.

Probem with a MINI 1.6L 2006 50K

Erratic idle, suspect fault due to dirty injectors.

The fault was cured adding Forté Petrol Specialist InjectorCleaner to the fuel tank and carrying out a long road test.

Problem with a RENAULT SCENIC 1.6L 2004 63K

Poor running and misfire, no fault codes stored. Injectors checked showing injector pulse too long.

The fault was cured by adding 2 x Forté Petrol SpecialistInjector Cleaner and carrying out a 25-mile road test.

Problem with a TOYOTA COROLLA 2.0L D4-D 2008 155K

Very poor starting, slight misfire from cold and excessive smoke until engine gets hot. Suspect fault due to contaminated injectors.

The fault was cured by adding Forté Diesel Specialist Injector Cleaner into the fuel tank and carrying out an extended road test. The customer returned two days later stating the car was now starting as normal with no smoking and the misfire had gone.

Problem with a FIAT DUCATO 2.2 L HDI 2007 97K

Misfiring under load and loss of power, various fault codes stored for injector faults.

The fault was cured by adding 2 x Forté Diesel SpecialistInjector Cleaner into the tank, running the engine on idle for 30 minutes and carrying out an extended road test.

After the road test the misfire was cured, and the power was restored.

The owner also reported 2 weeks later that the van had never run so well.

Problem with a BMW 318i 2011 52k

Failing MOT emissions test on high CO and Lambda readings. 

The fault was cured by adding 2 x Forté Petrol Specialist Injector Cleaner and 2 x Forté Advanced Formula Gas Treatment into the tank and carrying out a 20-mile road test.

Problem with a FORD FOCUS 1.8L Petrol

Surging and erratic idle, vehicle had been taken to other garages but fault not cured. Suspect fault

due to contamination build-up in the intake system. 

The fault was cured by cleaning the intake system using the Forté Power-Clean Diesel Intake Cleaner and carrying out an extended road test.

Problem with a BMW 120i 2.0L 2005 53k

Excessive blue smoke from exhaust due to engine oil burning. 

The fault was cured by adding 2 x Forté Advanced Formula Motor Flush and flushing the engine for one hour and adding Forté Oil Fortifier to the new oil.

Problem with a AUDI A3 2.0L TDi 2006 175k

Failed emissions test at 1.8m-1 plate value 1.0m-1. 

The fault was cured by cleaning the intake system using the Forté Power-Clean Diesel Intake Cleaner, adding Forté Diesel Specialist Injector Cleaner and Forté Diesel Turbo Cleaner into the fuel tank and carrying out an extended road test. 

Emissions rechecked after road test and reduced to 0.2m-1.

Problem with a FORD FIESTA 1.4 L TDCi 2010 55k

Failing emissions test 7.4 m-1. MOT default limit 1.5 m-1 vehicle plate value 1.1 m-1. 

The fault was cured by replacing the air and fuel filter, carrying out an extended Forté Advanced Formula Motor Flush adding Forté Diesel Specialist Injector Cleaner and Forté Diesel TurboCleaner into the tank. 

The vehicle then had a 20-mile road test, emissions retested and passed at 0.9 m-1.

Problem with a BMW X3 2.0L D 2006 91k

Lack of power and engine management light on, fault code stored for DPF. Unable to accelerate

engine above 2,000 rpm in fourth gear due to heavy blockage of the DPF. 

The fault was cured by cleaning the DPF using the Forté Power-Clean DPF Cleaner and Forté Power-Clean DPFFlush, resetting the DPF fault codes and carrying out a 35-minute road test.

Problem with a PEUGEOT 106 2002 1.4L

Failed MOT emissions test CO at 1.3%. 

The fault was cured by adding Forté Petrol Specialist Injector Cleaner and Forté Advanced Formula Gas Treatment and carrying out an extended road test, emission retest passed at 0.2% CO.

Problem with a FORD TRANSIT CONNECT 1.8L TDCi

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

blocked. 

The fault was cured by cleaning the DPF using the Forté Power-Clean DPF Cleaner and Forté Power-Clean DPF Flush, carrying out an extended road test and resetting the DPF fault codes.

Problem with a SKODA OCTAVIA 2.0L TDi 2005

Lack of power and black smoke, suspect fault due to sticking turbo vanes. 

The fault was cured by cleaning the turbo using the Forté Power-Clean Diesel Turbo Cleaner for one hour and carrying out an extended road test. 

After the road test the black smoke had stopped and the performance was restored.

Problem with a AUDI A3 2.0L FSi 2003

Poor running at idle and emissions readings checked indicated an air leak. No air leaks found, suspect

fault due to sticking valves. 

The fault was cured by cleaning the intake system with Forté Valve Cleaner as per instructions, Forté Clean and Protect (Forté Oil System Protector and Forté Advanced Formula Motor Flush) carried out and Forté Advanced Formula Gas Treatment added to the fuel tank. 

After treatment the vehicle was running smoothly on idle and the emission readings restored.

Problem with a SAAB 9-3 1.9L TiD 2005 120k

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

The fault was cured by cleaning the injectors for 20 minutes using the Forté Power-Clean Diesel Injection Cleaner. 

After only 10 minutes cleaning the engine was idling perfectly.

Problem with a LAND ROVER DISCOVERY 3 2.7L TDV6 2007

Tapping noise on engine and slight lumpy running. 

The fault was cured by cleaning the injectors using the Forté Power-Clean Diesel Injection Cleaner. 

After cleaning the vehicle running smoother and the mpg increased from 26 mpg up to 31.5 mpg.

Problem with a VAUXHALL ASTRA 1.6L 16V 2000 117k

Failing emissions test and misfire. 

The fault was cured by adding Forté Advanced Formula Gas Treatment and Forté Petrol Specialist Injector Cleaner to the fuel tank. 

Road test carried out for 30 miles, misfire stopped, and emissions retest passed.

Problem with a FORD FIESTA 1.4 L TDCi 2010 55k

Failing emissions test 7.4 m-1. MoT default limit 1.5 m-1 vehicle plate value 1.1 m-1. 

The fault was cured by replacing the air and fuel filter, carrying out an extended Forté Advanced Formula Motor Flush adding Forté Diesel Specialist Injector Cleaner and Forté Diesel Turbo Cleaner into the tank. 

The vehicle then had a 20-mile road test, emissions retested and passed at 0.9 m-1.

Problem with a BMW 318i 2011 52K

Failing MOT emissions test on high CO and lambda readings. 

The fault was cured by adding 2 x Forté Petrol Specialist Injector Cleaner and 2 x Forté Advanced Formula Gas Treatment into the tank and carrying out a 20-mile road test.

Problem with a VOLKSWAGEN POLO 1.2L 2005

Engine misfire on idle and at low speeds. New spark plugs and coil packs fitted, fault not cured. 

The fault was cured by adding 2 x Forté Petrol Specialist Injector Cleaner and Forté Advanced Formula GasTreatment into the fuel tank and carrying out an extended road test.

Problem with a TOYOTA AVENSIS 1.8L 2001 90K

Failing emissions test CO 7.0%. 

The fault was cured by adding Forté Advanced Formula Gas Treatment and Forté Petrol Specialist Injector Cleaner to the fuel tank. 

After 5-10 minutes the CO level was restored below the limit to pass the emissions test.

Problem with a VAUXHALL COMBI VAN 1.7L CDTi 2003 93K

Failed diesel emissions test at 9.6m-1. 

The fault was cured by adding half a bottle of Forté Advanced Formula Diesel Treatment into the fuel filter and the rest into the fuel tank and carrying out a 10-mile road test. 

Emissions retested and passed.

Problem with a PEUGEOT 106 2002 1.4L

Failed MoT emissions test CO at 1.3%. 

The fault was cured by adding Forté Petrol Specialist Injector Cleaner and Forté Advanced Formula Gas Treatment and carrying out an extended road test.

Emission retest passed at 0.2% CO.

Problem with a SKODA OCTAVIA TDi 2010 160K

Failed diesel emissions test at 3.6m-1. 

The fault was cured by adding Forté Advanced Formula Diesel Treatment into the fuel tank and carrying out an extended road test. 

Emissions retested and passed at 0.8m-1.