TECHNICAL ARTICLE

Land Rovers and E10 fuel

Despite government and industry assurances about the benefits of E10 fuel, ther are several good reasons to avoid using it in mant vehicles, including most Land Rovers models. This because the fuel lines, filters etc were never designed to withstand the chemical effects of Ethanol. You might get awway with a tank or two in an emergency, but long term use will cause component degradation and eventual failure.

Source: lotuselan.net

Vehicles with metal fuel tanks also have potential problems caused by internal rusting of the steel.

In late model vehicles, a more likely source of grief is the effect of the E10 on the electronics that control engine performance. Most of these engines require 98 RON to function correctly and the sensore are likely to detect incorrect fuel/air settings and attempt to make automatic corrections. With the engine then running at the modified setting, the electronics will try to make further corrections with the net result that the angine just does not operate as designed. with adverse effects on economy, performance or both.

Depending on the particular engine and whether it was designed as high or low ompression, E10 can also create problems. So for that matter will be the use of fuel with an incorrect RON rating. If too low, the engine will "ping" and/or the knock sensors will try to adjust the settings. in the way noted above. Conversely, if the engine is designed as low combustion, higher octane fuel is an unnecesary expense and

Of course, the Graeme Cooper Automotive team will advise what is most appropriate and cost effective for your personal requirements.

This article is one of many written by ASPAC Consulting,in collaboration with the technical experts at Graeme Cooper Automotive.

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