En­gine man­age­ment light

Car Mechanics (UK) - - Diagnostics Doctor -

The en­gine man­age­ment light on my 2002 Rover 25 1396cc is on all of the time, even though I have cleaned all of the earth points. I have read that this is now an MOT fail­ure. C Lawrence The MOT test was re­vised in May this year and now in­volves items be­ing marked as Mi­nor, Ma­jor or Dan­ger­ous. A mal­func­tion in­di­ca­tor lamp (MIL) which ei­ther stays on or does not op­er­ate will be classed as a Ma­jor de­fect and cause the ve­hi­cle to fail the test. As your Rover is petrol and built af­ter 2001, it will be Eobd-com­pli­ant. To dis­cover why the MIL is on you will need to read the codes from the ECU. You can ei­ther ask a garage to do this for you or buy a cheap code reader. Some­thing like the Foxwell NT200 Di­ag­nos­tic Scan Tool at £38.95 from this web­site https://bit.

ly/1c1jsu8 should be all that is needed. Once you know which com­po­nent is reg­is­ter­ing a code and trig­ger­ing the light, it will be eas­ier to rec­tify.

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