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Battery Disconnection

johnsnow
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johnsnow Member

johnsnow

Posted
Posted

Im looking to clean my MAF and ive read I should disconnect the battery first. To do this am I right in thinking I just need to disconnect the negative terminal? Is there anything I need to factor in when disconnecting the battery (window positions the hood behind in service mode etc.)?

  • 1 year later...
Skidd Member

Skidd

Posted
Posted

Keep doors open (windows partially down), keep front boot open, keep key in ignition position 1.

On re-connecting, don't touch the pedals for 30seconds. Open and close windows with a double push top and bottom. Drive a short distance forward to clear PSM faults.

Richard Hamilton Member

Richard Hamilton

Posted
Posted

There is no need to disconnect the battery to reset the adaption settings in the DME after changing the MAF. Just switch on the ignition for 60 seconds, then switch it off for at least 10 seconds. As said, don't touch the throttle pedal during this procedure.

White987S Member

White987S

Posted
Posted

Im looking to clean my MAF

Why? After 8 driving seasons and +56,000 miles I've never cleaned mine. Are you running a non OEM air filter?? Do you have CEL's???

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