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Good Camper (RV) service starts from within: why fuel cleaners are essential

Posted on by Lotte

Good Camper (RV) service starts from within: why fuel cleaners are essential

Your Camper (RV) guarantees freedom, adventure, and comfort—but it needs to remain reliable. Whether you travel once a year or are on the road regularly, good service is crucial for a carefree holiday.

At Tec4, we know that a shiny exterior is worthless without a well-functioning engine. And one of the most underestimated, yet oh-so-important, parts of Camper (RV) service? That’s the fuel system. Fortunately, there’s a simple and effective solution: Tec4 fuel system cleaners.

Why does a Camper (RV) need extra attention?

A camper (RV) often sits idle for long periods, travels relatively few kilometers, and frequently drives short distances with heavy loads.

These conditions can cause:

  • Contamination in/on injectors, valves, and combustion chambers;
  • Crystallization of AdBlue fluid (SCR system);
  • Reduced combustion efficiency;
  • Higher fuel consumption and poorer performance;
  • Soot buildup and elevated emissions;
  • Increased risk of malfunctions and expensive repairs.

The solution: Tec4 Fuel System Cleaners

With Tec4 fuel system cleaners, you can clean the fuel system from the inside out, without disassembly. Our products are specifically designed to:

  • Clean injectors and restore the spray pattern;
  • Remove carbon deposits on valves and pistons;
  • Lubricate and protect the fuel pump and injectors;
  • Reduce soot formation and exhaust fouling;
  • Dissolve crystallization and deposits in the SCR injector;
  • Optimize the performance, fuel consumption, and lifespan of your engine.

When to use fuel system cleaners for your Camper (RV)

  • Before and after the season: Use a cleaner before your first trip and at the end of the season before it goes back into storage.
  • After long trips or refueling abroad: Fuel quality varies by country. A fuel system cleaner prevents damage from contaminated or lower-quality fuel.
  • In case of irregular running, smoke, or loss of power: These are often signs of contaminated injectors or valves.
  • Combine this with a fuel filter replacement and you will significantly extend the lifespan of your camper.

Travel prepared – care for your camper with Tec4.

A well-maintained camper is not only safer and more fuel-efficient, but also prevents unexpected (and expensive) mechanical problems during your vacation. With Tec4 fuel system cleaners, you can keep your camper clean from the inside out—exactly where it counts.

Contact us to find the nearest workshop.

FAQ – LSPI (Low-Speed Pre-Ignition)

Posted on by Lotte

1. What is LSPI?

LSPI stands for Low-Speed Pre-Ignition. It is an uncontrolled ignition of the air-fuel mixture before the spark plug fires. LSPI mainly occurs in modern turbocharged, gasoline direct-injection engines under low engine speed and high load conditions.

2. When does LSPI typically occur?

LSPI usually occurs during:

  • Acceleration at low RPM in a high gear
  • High engine load combined with turbo boost
  • Low-speed driving with sudden throttle input

3. Why is LSPI dangerous?

LSPI causes extremely high and sudden pressure peaks in the combustion chamber. These pressure spikes can lead to:

  • Cracked or damaged pistons
  • Broken piston rings
  • Damage to cylinder walls
  • Severe engine damage in extreme cases

4. What causes LSPI?

LSPI is caused by a combination of factors, including:

  • Fuel quality and octane rating
  • Ethanol-blended fuels
  • Engine oil composition and additive chemistry
  • Carbon deposits in the combustion chamber
  • High compression ratios and turbocharging

5. Does ethanol increase the risk of LSPI?

Ethanol itself is not the direct cause, but ethanol-blended fuels can influence combustion behavior and deposit formation, which may increase LSPI sensitivity under certain operating conditions.

6. Does engine oil play a role in LSPI?

Yes. Engine oil chemistry is a critical factor. Certain oil additives and degraded oil can increase the risk of LSPI. Modern engines require oils specifically formulated to reduce LSPI events.

7. How can LSPI be prevented?

LSPI risk can be reduced by:

  • Using high-quality engine oil with LSPI protection
  • Changing oil at correct service intervals
  • Avoiding high load at very low RPM
  • Using fuel with sufficient octane rating
  • Keeping the engine and fuel system clean
  • Using Tec4 Long Life Oil System Cleaner

FAQ: Ethanol in Fuel and the Importance of Fuel System Cleaners

Posted on by Lotte

FAQ: Ethanol in Fuel and the Importance of Fuel System Cleaners

Ethanol in gasoline, such as E5 and E10, has become increasingly common in modern fuels. While ethanol is more environmentally friendly, insufficient maintenance can negatively affect engine performance, engine oil, and wet timing belts. In this FAQ, we explain how ethanol works, the potential risks, and how products such as Tec4 Petrol System Cleaner and Tec4 Long Life Oil System Cleaner help protect your engine optimally.

1. What is ethanol in fuel?

Ethanol is an alcohol-based additive blended into gasoline to reduce CO₂ emissions and improve combustion. In Europe, it is commonly available as E5 (5% ethanol) or E10 (10% ethanol). One of ethanol’s key properties is that it is hygroscopic, meaning it absorbs moisture from the air.

2. Why is ethanol added to gasoline?

  • Reduces dependence on fossil fuels
  • Contributes to lower CO₂ emissions
  • Improves combustion efficiency

3. What is the difference between E5 and E10 fuel?

  • E5: Contains up to 5% ethanol and is generally safe for older vehicles
  • E10: Contains up to 10% ethanol and is suitable for most modern vehicles, but may affect older engine components more quickly

4. Does ethanol affect engine oil and wet timing belts?

Yes. Ethanol can:

  • Slightly acidify engine oil, increasing pH levels
  • Combine with carbon deposits to form harmful residues
  • Damage the coating of wet timing belts and shorten their service life

5. Which vehicles can safely use E10 fuel?

Most modern vehicles are designed to run on E10 fuel. Older vehicles or classic cars are often better suited for E5 fuel. Always consult the manufacturer’s recommendations.

6. How can ethanol-related damage be minimized?

  • Prefer E5 fuel for older vehicles
  • Maintain the correct engine oil level
  • Change engine oil regularly
  • Flush the oil system and add Tec4 Long Life Oil System Cleaner
  • Add a fuel system cleaner to the tank at every service interval

7. Why are fuel system cleaners important when using ethanol?

One of ethanol’s most important characteristics is its hygroscopic nature—it attracts moisture from the air. This can lead to:

  • Water accumulation in the fuel
  • Increased risk of corrosion
  • Accelerated fuel degradation

Moisture in the fuel system disrupts combustion and increases the likelihood of engine faults.

Tec4 Petrol System Cleaner helps to:

  • Improve combustion and reduce emissions
  • Restore optimal engine performance
  • Clean the entire gasoline fuel system
  • Remove water and moisture from the fuel tank

8. Are short trips problematic when using ethanol fuel?

Yes. Short trips prevent the engine oil from reaching full operating temperature, meaning ethanol cannot fully evaporate. This increases oil acidification and deposit formation, which can damage components such as wet belts.

9. Can ethanol shorten engine lifespan?

Ethanol itself is not inherently harmful. However, without proper maintenance, the combination of ethanol-related deposits and oil acidification can lead to premature wear of engine components.

10. Conclusion

Ethanol-blended gasoline is safe for most modern vehicles, but proper service remains essential. Regular oil changes, oil system flushing with Tec4 Oil System Cleaner, and the use of Tec4 Petrol System Cleaner help to:

  • Limit the negative effects of ethanol
  • Protect the engine and wet timing belt
  • Keep the fuel system clean
  • Reduce moisture-related contamination
  • Maintain optimal power output and fuel efficiency

FAQ – SCR Systems and Tec4 Ad-Blue Clean & Protect

Posted on by Lotte

FAQ – SCR Systems and Tec4 Ad-Blue Clean & Protect

Tec4 has launched a comprehensive FAQ page covering SCR systems and Ad-Blue service, designed specifically for professional workshops and fleet operators. Learn about common issues such as crystallization, injector contamination, and reduced SCR efficiency, and discover how Tec4 Ad-Blue Clean & Protect effectively prevents these problems while keeping the system performing at its best.

1. What is an SCR system and how does it work?
A Selective Catalytic Reduction (SCR) system is an emissions control technology used in diesel vehicles to reduce NOx emissions. The system injects Ad-Blue (urea solution) into the exhaust stream, which reacts in the catalyst to convert harmful nitrogen oxides into harmless nitrogen and water vapor.

2. Why do SCR system problems occur?
Common issues include:

  • Ad-Blue crystallization: evaporation or chemical reactions can form crystals that block the system.
  • Injector contamination: deposits on the Ad-Blue injector reduce spray efficiency.
  • Reduced SCR efficiency: clogged or contaminated systems can lead to higher NOx emissions and engine power loss.
  • Freezing issues: Ad-Blue can freeze in low temperatures, temporarily disabling the system.

3. How can SCR system problems be detected?
Signs include:

  • Increased NOx emissions or fault codes from the vehicle diagnostic system
  • Reduced engine performance or irregular operation
  • Ad-Blue or SCR system warning lights
  • Visible crystal formation or residue on the injector or in the system

4. How does Tec4 Ad-Blue Clean & Protect help?
Tec4 Ad-Blue Clean & Protect provides a complete SCR service solution:

  • Breaks down existing crystals in injectors and lines
  • Prevents new crystallization by stabilizing Ad-Blue fluid
  • Cleans the Ad-Blue injector, ensuring optimal spray efficiency
  • Lowers the freezing point of Ad-Blue to -20°C, improving reliability in cold conditions
  • Restores SCR efficiency, reducing NOx emissions and preventing power loss

5. When should Tec4 Ad-Blue Clean & Protect be used?

  • Preventive service: add with every Ad-Blue refill to prevent crystallization and contamination
  • Corrective service: treat systems showing existing crystallization or injector blockages

6. Is the product safe for all diesel vehicles with SCR systems?
Yes, it is suitable for all vehicles with SCR systems, including trucks, campervans, buses, commercial vehicles, and modern diesel cars.

7. Does Tec4 Ad-Blue Clean & Protect prevent emissions and engine issues?
Yes. By keeping the SCR system clean and Ad-Blue fluid stable, the additive ensures optimal emission reduction, reduces fault codes and power loss, and helps avoid costly repairs.

8. How does this benefit workshops and fleet operators?
Regular use provides:

  • Fewer SCR system failures and reduced vehicle downtime
  • Lower service costs
  • Improved emission compliance
  • Extended service life of SCR components and injectors

Wet Belts – Maximize Performance with Proper Service

Posted on by Lotte

Wet Belts – Maximize Performance with Proper Service

In modern engines, wet belts play a crucial role in keeping the engine running smoothly and efficiently. Despite their reliability, there are many misconceptions about their operation and lifespan. Tec4 clarifies the facts and explains how proper service – including the use of Tec4 Oil System Cleaner and Tec4 Long Life Oil System Cleaner – can significantly extend the life of the wet belt.

Facts and Myths about Wet Timing Belts

Facts:

  • All timing belts and multi-rib belts are vulcanized at 200˚C, making them resistant to extreme conditions.
  • Wet timing belts are specifically designed to operate in contact with engine oil.
  • They save approximately 1% on fuel consumption and generate less noise during operation.
  • Wet belts are compatible with various types of engine oil without affecting performance.

Myths:

  • Non-recommended oil does dissolve the belt.
  • Combustion soot does lubricate the belt
  • Wet belts cannot reach their specified lifespan.
  • Wet belts are weaker than dry belts; they are engineered for long-lasting performance in oil.

Factors that Reduce Wet Timing Belt Lifespan

The lifespan of a wet timing belt can be shortened by:

Oil acidification, caused by fuel contamination, especially Bio-ethanol E10 (approx. 10%). Higher pH values affect the belt.

Carbon deposits from combustion that enter the engine oil, damaging the belt coating.

Interactions between carbon and Bio-ethanol forming substances that accumulate in unwanted areas, such as piston ring and oil scraper ring grooves, leading to increased oil consumption.

Low oil levels, which cause extreme oil temperatures that accelerate belt wear.

Aged or contaminated engine oil.

The Importance of Flushing with Tec4 Oil System Cleaner

Before adding new oil, it is essential to thoroughly clean the oil system. Tec4 Oil System Cleaner removes old oil, carbon deposits, and other contaminants that could damage the belt. Flushing ensures that harmful residues do not affect the new oil or timing belt, significantly extending belt life.

Optimizing with Tec4 Long Life Oil System Cleaner

Adding Tec4 Long Life Oil System Cleaner to new oil prevents acidification, protects the timing belt and other critical components, and maintains the oil’s optimal properties for longer. Benefits include:

  • Preserving the belt coating and strength
  • Reducing carbon and Bio-ethanol deposits
  • Improving lubrication and cooling efficiency of the engine oil

Recommended Service for Wet Belts

To maximize the lifespan of the belt, Tec4 recommends:

Inspecting cylinder walls with a videoscope if needed.

Changing the engine oil at least once a year or every 15,000 km.

Flushing the oil system with Tec4 Oil System Cleaner before adding new oil.

Adding Tec4 Long Life Oil System Cleaner to the new oil.

Using high-quality oil and preferably E5 fuel (less Bio-ethanol).

Avoiding short trips under 10 km and taking regular longer trips (50 km+).

Checking the oil pickup strainer if oil pressure problems occur and replacing if necessary.

Wet belts are reliable and efficient, but proper maintenance is key.

Flushing the system with Tec4 Oil System Cleaner and adding Tec4 Long Life Oil System Cleaner to new oil minimizes the negative effects of carbon and Bio-ethanol, keeps the belt performing optimally, and significantly extends its lifespan.

Tec4 advises following these service steps to get the most out of your engine and protect your wet belt from premature wear.

The challenge with hybrid cars: contamintation through efficiency

Posted on by Lotte

The challenge with hybrid cars: contamintation through efficiency

Hybrid cars have become an indispensable part of the road. They combine efficiency with sustainability and are popular with both private and business drivers. But did you know that hybrid cars are sensitive to fuel system contamination? Therefore, regular use of a high-quality fuel system cleaner like Tec4 Petrol System Cleaner isn’t a luxury, but a necessity for healthy engine maintenance.

In hybrid vehicles, the petrol engine is used less frequently and often only briefly. This sounds good for emissions, but it also has a downside: the engine rarely reaches full operating temperature. This leads to contamination in the fuel system, such as:

  • deposits in injectors and valves
  • incomplete fuel combustion
  • reduced engine performance and response
  • increased fuel consumption
  • moisture buildup in fuel tank
  • fuel aging

The solution: Tec4 Petrol System Cleaner

Tec4 Petrol System Cleaner is specially formulated to effectively clean the fuel system. This advanced additive removes existing deposits and prevents new buildup, precisely what hybrid engines need. It also features our unique Aqua technology, which collects water and moisture from the fuel system. This moisture mixture is held in suspension until it is released as extremely heated steam during the combustion process.s.

Key benefits:

  • Cleans fuel system components and provides anti-wear protection.
  • Removes moisture and water from the system to prevent corrosion.
  • Improves engine performance and response.
  • Provides cleaner, more efficient combustion.
  • Reduces fuel consumption.
  • Stabilizes cylinder compression and restores power.
  • Reduces harmful exhaust emissions.

Whether you drive a plug-in hybrid or a self-charging hybrid, Tec4 keeps your engine in top condition.

For optimal results, add every 10,000 km or at every service.

For workshops that want to optimally serve their hybrid customers, a good fuel cleaner is a smart and cost-effective choice.