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Old 30th November 2021, 18:59   #1
Wayne B
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Default Engine management light

My MG ZT has recently had an ECU problem. The ECU was sent away, repaired & all faults removed. Unfortunately, the engine management light has stayed on & cannot be reset. The question is this:

Will the engine management light come on if you do an EGR bypass? I did this on my first 75 & all was fine but this one is a facelift model. Did MG Rover do a tweek on the facelift models that made the light come on if the bypass was done?

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Wayne.
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Old 30th November 2021, 19:11   #2
dave lincs
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What fault code do you have? On top of fuel filter is a round plug try unplugging it clean connections and refit had a few that I have fixed that way
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Old 30th November 2021, 19:18   #3
Wayne B
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I will try that. Thank you. Will not be this evening though.

Wayne
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Old 1st December 2021, 01:55   #4
Arctic
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As above remove the plug from the fuel filter and spray with contact cleaner, push on and off a few times should see the mil light go out.

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Old 1st December 2021, 21:48   #5
Wayne B
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Thank you, I will try this over the next few days & will let you know the result.

Wayne.
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