M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

P0069 – Manifold absolute pressure (MAP) sensor.

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Old 07-07-2021 | 06:37 AM
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ML420 W164 (2009)
P0069 – Manifold absolute pressure (MAP) sensor.

Hi Guys

Getting this code and a MIL on my ML420. Anyone give me a clue where the thing even is please?
Old 07-07-2021 | 09:46 AM
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ML420 W164 (2009)
Never mind, found the little horror! Cleaning it hasn't helped so I've ordered a new one. Fingers crossed!
Old 07-08-2021 | 03:38 PM
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New sensor cured it and got rid of the pending code.

Live data showed it (MAP) at 112Hg with Barometric Pressure showing 100Hg.

With the new sensor they both show 100Hg. So if they read differently, get a new sensor!

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