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 Post subject: Re: Ongoing P0299 underboost problems
PostPosted: Thu Aug 10, 2017 12:13 pm 
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RS2001 wrote:
Good morning, thank you for the answer, I will control the mass cable behind the lighthouse, but what I can not understand is because I do not have a bug at the controller but only the p0299 after 20/25 minutes that the machine is on. The machine is in recovery right away without error code.
P.S. Where can i buy IAP sensor online?
Thanks again for help R.


IAP sensor - 05101120AB (pressure sensor on side of airbox)
air inlet air pressure comparator pressure sensor on the side of the air box; referred to as the Mercedes sensor
Factory Chrysler Parts.com:> http://www.factorychryslerparts.com/pro ... 120AB.html
or
Google the part no. 05101120AB, you will get several options to buy! :google:

:SOMBRERO:

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 Post subject: Re: Ongoing P0299 underboost problems
PostPosted: Sat Aug 12, 2017 3:39 am 
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Joined: Sat May 06, 2017 8:37 am
Posts: 21
Location: Paraguay
For TKB4,
1.Has the hose that connects the lid of the air filter box to the turbo been checked? This hose often gets cracked near its connection to the turbo. Has been checked is ok.
There is also the possibility that the turbo arm is not properly adjusted so that it can not react to the sensor information completely.
In two turbines has been repeatedly adjusted, the latest turbine is new original Garret
2.The tube from the PVC / CVC could also be a source of leak. Has this been checked? I do not know what it is
3.Does the jeep run normally just with low power ? Is it in what we call Limp Mode? It works only in limp mode.
In winter it went into limp mode only after reaching the temperature of about 50 degrees.
4. I am not sure we understand about the RPM . Will it go above 1800 RPM in park?
When I turn the car on, the engine rises as if I accelerated up to 1800 rpm and then returned to 800/900 rpm.
5. Was the intercooler pressure tested ? I do not know I think with a normal compressor. :banghead: :banghead: :banghead: :banghead: :banghead: :banghead: :banghead:
Thanks again R.


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 Post subject: Re: Ongoing P0299 underboost problems
PostPosted: Sun Aug 27, 2017 3:06 am 
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Joined: Sat May 06, 2017 8:37 am
Posts: 21
Location: Paraguay
good morning,
After six months of trouble I managed to get a kj going.
The problem was in the cables of the rail and maf sensor, and was solved by the bosch center of my city, in particular by Giancarlo thank you.
Practically, through the oscilloscope, they were able to figure out which cable was damaged (not cut), because there was no error signal at the control unit. :BANANA:
Thanks to all of you for the time granted, even to understand my English :wink:


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 Post subject: Re: Ongoing P0299 underboost problems
PostPosted: Thu Oct 19, 2017 1:25 pm 
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Posts: 1128
Location: Jackson,TN
Glad you finally got it fixed :pepper:

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