S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Pressure sensor 2

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Old Oct 14, 2022 | 10:16 PM
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W221 S class 550
Pressure sensor 2

2013 s550 4matic

My autel scanner giving a code (pressure sensor 2) has a short circuit to battery. There is a short circuit to battery.. where and what is pressure sensor 2?
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Last edited by Cuzzo; Oct 15, 2022 at 08:53 AM.
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Old Oct 15, 2022 | 10:47 AM
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From: North Scottsdale, AZ
'71 Pinto
Code? For instance:


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Old Oct 15, 2022 | 12:13 PM
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S500
my guess

10 years 100k miles tractor fuel ????

the words in the video is much closer to the correct name

50 quid back pressure sensor - top of the engine, beside the turbo and left of the EGR 24mm deep socket 10 min job start to finish - should show ambient pressure with engine off way out of scale in diagnostics - symptom the car is flat and lethargic
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Old Oct 16, 2022 | 12:50 AM
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1983 Nissan Shltbox
Otherwise known as MAP sensors.
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Old Oct 18, 2022 | 09:33 AM
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W221 S class 550
Thanks for the info fellas..It

was one of the pressure sensors a.k.a map sensors that was unplugged from a recent tuneup.
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