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Exhaust gas pressure, where is it?
24-02-2022, 23:14 PM,
Post: #1
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Exhaust gas pressure, where is it?
Hi everyone,
I am getting 2 errors on ISTA. 245400 - Particulate filter system: minimum differential pressure undershot 25C800 - Exhaust back pressure sensor upstream of diesel particulate filter: Sensor drift outside tolerance After checking some more saw that the exhaust gas pressure before diesel particulate filter has lower values than the other sensors, when it should be +/- 20 hPa max deviation and mine is around -50 deviation ... Not sure which sensor I need to buy. Can somebody please help me out and tell me what number is from realoem? Thanks in advance, Alex |
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24-02-2022, 23:38 PM,
(This post was last modified: 24-02-2022, 23:44 PM by Node.)
Post: #2
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RE: Exhaust gas pressure, where is it?
Don't know what diagram is that but it is not FOR THE VIN in diagnosis picture. Part # for the sensor in question and VIN as in first picture is 13627805152.
That said FIRST CHECK if the thin pipe going to and current sensor itself are NOT clogged with soot. |
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Reputation: +1 - XuLeTZ [+1] | |||
25-02-2022, 00:04 AM,
Post: #3
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RE: Exhaust gas pressure, where is it?
(24-02-2022, 23:38 PM)Node Wrote: Don't know what diagram is that but it is not FOR THE VIN in diagnosis picture. Part # for the sensor in question and VIN as in first picture is 13627805152. I was in a different place So 13627805152 is the one before DPF. Thank you so much. Really helpful. Now I struggle to find it in NewTIS. Really helpful as always, thanks |
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25-02-2022, 00:16 AM,
(This post was last modified: 25-02-2022, 00:17 AM by Node.)
Post: #4
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RE: Exhaust gas pressure, where is it?
Just look at the car. Find the top of DPF. Follow the pipe. It will be towards the top of an engine mounted on it's side.
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25-02-2022, 08:23 AM,
Post: #5
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RE: Exhaust gas pressure, where is it?
(25-02-2022, 00:04 AM)XuLeTZ Wrote:you need to look it up in realoem.com(24-02-2022, 23:38 PM)Node Wrote: Don't know what diagram is that but it is not FOR THE VIN in diagnosis picture. Part # for the sensor in question and VIN as in first picture is 13627805152. |
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25-02-2022, 09:06 AM,
Post: #6
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RE: Exhaust gas pressure, where is it?
(25-02-2022, 08:23 AM)tintoverano Wrote:Wanted to see newtis for the info how to remove it, etc.(25-02-2022, 00:04 AM)XuLeTZ Wrote:you need to look it up in realoem.com(24-02-2022, 23:38 PM)Node Wrote: Don't know what diagram is that but it is not FOR THE VIN in diagnosis picture. Part # for the sensor in question and VIN as in first picture is 13627805152. |
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25-02-2022, 09:40 AM,
Post: #7
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RE: Exhaust gas pressure, where is it?
It just unclips from the holder. Elementary.
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