comments, differences? - Techron High Mileage vs Techron Concentrate Plus Complete, Fuel System Cleaners

[jim04g]

Was going to pick up Techron on the BOGO sale, and see online a new (to me) High Mileage Fuel System Cleaner.

Any comments? Just marketing difference?

Detail:
Notoriously useless MSDSs show a change from N,N'-di-sec-butyl-p-phenylenediamine to Trade Secret for the <1% component (so, could be the same). And the main Trade Secret (may be PEA) changed from 20-25% to 10-20% (so, could be no change at 20%).

Quickly scanning the text for the HM, a few things were removed from the Complete's (longer) recommended list - but not explicitly advised-against.

PDS - High Mileage
Recommended for use in:
• Spark ignition engines with gasoline, ethanol and gasoline/ethanol blends
• Gasoline hybrid vehicles
Will not harm catalytic converters and oxygen sensors.
Not recommended for diesel engines.
Not for aviation.

PDS - Complete
Recommended for use in:
• Spark ignition engines with gasoline, ethanol and gasoline/ethanol blends
• Direct injected gasoline engines (DISI)
• Gasoline hybrid vehicles
Suitable for use in:
• Gasoline two-stroke air-cooled engines (motorcycle or chainsaw)
• Gasoline two-stroke water-cooled engines (motorcycle or marine)
• Gasoline four-stroke lawnmower, motorcycle and marine engines
Will not harm catalytic converters and oxygen sensors.
Not recommended for diesel engines.

 

[CharBaby]

This comparison chart from Chevron between Techron products may help in your decision. The high mileage is a stronger consontration.

https://www.chevronlubricants.com/content/dam/external/techron/en_us/sales-material/sales-sheet/Techron-Product-Comparison-Chart.pdf

 

[silversport]

since they want you to use it every 1K miles instead of 3K miles like the Complete...as well as less chance of dissolving varnish and the help for the fuel sensor (unless you need fuel stabilization) I would use Complete over High Mileage...

Bill

 

[Urshurak776]

How does this help DI engines exactly? It says it does. This stuff isn't touching intake valves, so...?

 

[y_p_w]

How does this help DI engines exactly? It says it does. This stuff isn't touching intake valves, so...?

There's exhaust gas recirculation. I suppose it might still have some ability to clean intake valves if it can survive combustion temperatures.

 

[jim04g]

Appreciate the comp-chart link (didn't catch that one at the website), and thanks for the clarifying discussion.

 

[CharBaby]

Appreciate the comp-chart link (didn't catch that one at the website), and thanks for the clarifying discussion.

You're welcome!