Boost & air intake sensor Fault (G31/299)

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Boost & air intake sensor Fault (G31/299)

Postby zakshaker » Tue May 07, 2019 7:20 pm


VCDS has found two Faults code on my engine. both on the Boost / air intake sensor (G31/299)

I have changed the sensor. but the 2 faults are still there.
The fault comes straight on contact, do not even need to start the engine.
Anyone would have an idea what is going on ?

Here is a copy of first diagnosis

000568 - Manifold pressure / Boost Sensor (G31)
P0238 - 000 - Signal too High - MIL ON

Freeze Frame:
Fault Status: 11100000
Fault Priority: 0
Fault Frequency: 1
Reset counter: 255
Time Indication: 0
Date: 2047.15.31
Time: 31:63:63

Freeze Frame:
RPM:0 /min
Speed: 255 km/h
Temperature: 27.0°C
Temperature: -40°C
Absolute Pres.: 99.0 mbar
Voltage: 7.747

000152 - Intake Air Temperature Sensor 2 (G299)
P0098 - 000 - Signal too low - MIL ON
Freeze Frame:
Fault Status: 11100000
Fault Priority: 0
Fault Frequency: 1
Reset counter:255
Mileage: 146362
Time indication: 0
Date: 2013.08.09
Time: 08:59:45

Freeze Frame:
RPM: 1199 /min
Load: 14.1%
Speed: 0.0 km/h
Temperature: 68.0°C
Temperature: -40°C
Absolute Pres.: 990.0 mbar
Voltage 14.097
Posts: 7
Joined: Mon Apr 29, 2019 7:15 pm
I drive a: 1.4 TSI 160
In: Sumatra
With a: DSG box

Re: Boost & air intake sensor Fault (G31/299)

Postby kevrobbo77 » Mon May 13, 2019 7:30 pm

i had a volvo s60 d3, which had issue with sensors. i thought the air sensor so i changed that but it didnt affect anything. turned out to be a exhaust pressure sensor. once that was changed all was well. the engine barely recognised the faults though, even though i could barely accelerate, i had no codes flash at me on the dash. i would probably change the other sensor and see how that goes. they are cheap enough. dont get the crap ones though. i bought a cheaper one and it broke in the winter, i put the old air inlet sensor back on and it drove fine again.
Posts: 7
Joined: Wed May 08, 2019 10:17 pm
I drive a: 2.0 TDI 140
In: Candy White
With a: Manual box

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