Friday, October 12, 2018

Fuel System - Fuel Composition Testing


Fuel System - Fuel Composition Testing



SI M13 05 10



Fuel Systems



April 2011



Technical Service



SUBJECT



Testing Fuel Composition



MODEL



All



SITUATION



Fuel blends containing a high percentage of alcohol (10% and above), mainly ethanol, are becoming more commercially available. Usage of E85 or



any other high alcohol content blend (e.g., E30) in MINI vehicles will cause various drivability complaints (cold start problems, stalling, reduced



performance, poor fuel economy, etc.); may cause excessive emissions; and may cause irreversible damage to engine, emission control and fuel



delivery systems due to incompatibility of materials with alcohols. Refer to SI M13 01 06 Alcohol Fuel Blends in MINI Vehicles for complete



details.



In order to correctly diagnose various drivability complaints caused by fuel blends with a high level of ethanol content, MINI is providing you with



an electronic fuel composition tester.



2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 66



Fuel Composition Tester



P/N 83 30 0 439 685



Refer to M04 05 11 for more details.



PROCEDURE



Safety Precautions:



^ Gasoline is highly flammable; observe normal precautions for working with flammable liquids. Perform all tests away from any source of ignition.



A class B fire extinguisher must be available.



^ Wear protective eye protection with side shields and Nitrile rubber gloves for handling the tester.



^ Please adhere to any applicable OSHA regulations when handling gasoline.



^ Dispose of the mixture according to local, state and federal regulations.



Refer to the attached procedure for testing the fuel composition in gasoline.



WARRANTY INFORMATION



Component damage, malfunctions, or any drivability problems verified to be caused by the use of fuels containing more than 10% ethanol (or other



oxygenates with more than 2.8% oxygen by weight) will not be covered under MINI warranties as this is not considered a defect in materials or



workmanship. Always document the results found on the vehicle repair order whenever performing this test.



ATTACHMENT



2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 67



2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 68



2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 69



2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 70



2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 71



2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 72



2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 73



2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 74

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