In great need of help
Posted: Tue Sep 06, 2022 8:24 am
Hello guys,
I almost never post anything here but i promise you i lurk around to watch the updates from ciclo and others
Anyway i have a problem with my 105hp 2010 vw polo tsi (benzin 150k km), for around.... two years. The problem is ESP light going into limp mode.
A boost leak test with manometer has been performed and all (i hope) leakage from hoses or rubber seals has been fixed (During these 2 years there was a boost leak due to broken seals)
Both map sensors have been replaced with oem sensors. Allso that plastic cheap valve (that keeps on breaking and you smell gasoline inside the car) is ok.
The air throttle body has been cleaned more than once.
I have also checked the wastegate with a sticker and it seems to (my unexperienced eye and based on the youtube video) to be moving ok
I will bother you with the most recent obd tests i did and after seemingly the boost test was performed.
So, when i start the car in the morning, after 300 metes and when i turn the wheel of the car the esp lights comes on and off.
I immeditaly obd test the car and the error i get is p1155 (short circuit to b+) i erase the fault code and restart the car.
After around 200-300 meters and again when i turn the wheel the esp comes on and stays on.
After i obd the car the error codes i get is p1155 and p227900(intake air system leak) and 01314 (ECM fault).
Before replacing the map sensors i have check the map plugs with polymeter (1 and 3 pins) and the voltage is 5 so i guess both plugs are working fine (?)
Before performing all these tests myself, they have told me that problem is the wastegate and that it needs to be replaced along with the turbo.Btw the wastegate was upgraded around 2011 from the dealership with that ring.
But an electrician told me that if the problem was due to wastegate i would get a wastegate error code which i am not, is this true ?
If i change the turbo/wastegate it will cost me around 1.500 euro. If i was 100% certain this was the problem i would change it, but then i am afraid that when i pay that kind of money and start the car next thing in the morning the same problem will appear. I am not sure this is the problem but during summer this problem occurs in the morning after the car been parked for around 17 hours , at noon it doesnt. During winter time . Rainy days more often as far as i can remember. This fault appears EVERY morning at the same street corners possibly because there the engines throttle is needed. After 5-6 minutes i switch off the ignition the esp light comes off and i dont get limp mode.
This situation is driving me crazy to the point i want to kick the car out of a cliff but i i have invested so much time and money in it that i cant.
Can anyone help me, suggest some tests etc ?
UPDATE 16/01/2023 :
OK guys .
Second week in a row and the morning problems that USED to occur 5 to 8 items for a single 25 min drive . Never occured again, i consider this problem fixed.
If your ESP light goes on, you switch your car off and the light goes off but after a while it goes on etc. But after some miles/kms it stops poppin on. Have your car scanned.
So if your obd scanner gives "Intake Air System Leak" and P115500 - Manifold abs. press. sens. Short circuit to B+fault and you have concluded that you dont have an air leak (via smoke test or air pressure test) and that your wastegate is normal.
Always check your MAP sensors, if you have replaced them and the problem occurs
then check the map sensor plug . Do this multimeter test : https://workshop-manuals.com/volkswagen ... /page_826/
By doing this test i concluded the 4th wire was problematic.
Thanx for all the help iichel , ciclo and others
Top
I almost never post anything here but i promise you i lurk around to watch the updates from ciclo and others
Anyway i have a problem with my 105hp 2010 vw polo tsi (benzin 150k km), for around.... two years. The problem is ESP light going into limp mode.
A boost leak test with manometer has been performed and all (i hope) leakage from hoses or rubber seals has been fixed (During these 2 years there was a boost leak due to broken seals)
Both map sensors have been replaced with oem sensors. Allso that plastic cheap valve (that keeps on breaking and you smell gasoline inside the car) is ok.
The air throttle body has been cleaned more than once.
I have also checked the wastegate with a sticker and it seems to (my unexperienced eye and based on the youtube video) to be moving ok
I will bother you with the most recent obd tests i did and after seemingly the boost test was performed.
So, when i start the car in the morning, after 300 metes and when i turn the wheel of the car the esp lights comes on and off.
I immeditaly obd test the car and the error i get is p1155 (short circuit to b+) i erase the fault code and restart the car.
After around 200-300 meters and again when i turn the wheel the esp comes on and stays on.
After i obd the car the error codes i get is p1155 and p227900(intake air system leak) and 01314 (ECM fault).
Before replacing the map sensors i have check the map plugs with polymeter (1 and 3 pins) and the voltage is 5 so i guess both plugs are working fine (?)
Before performing all these tests myself, they have told me that problem is the wastegate and that it needs to be replaced along with the turbo.Btw the wastegate was upgraded around 2011 from the dealership with that ring.
But an electrician told me that if the problem was due to wastegate i would get a wastegate error code which i am not, is this true ?
If i change the turbo/wastegate it will cost me around 1.500 euro. If i was 100% certain this was the problem i would change it, but then i am afraid that when i pay that kind of money and start the car next thing in the morning the same problem will appear. I am not sure this is the problem but during summer this problem occurs in the morning after the car been parked for around 17 hours , at noon it doesnt. During winter time . Rainy days more often as far as i can remember. This fault appears EVERY morning at the same street corners possibly because there the engines throttle is needed. After 5-6 minutes i switch off the ignition the esp light comes off and i dont get limp mode.
This situation is driving me crazy to the point i want to kick the car out of a cliff but i i have invested so much time and money in it that i cant.
Can anyone help me, suggest some tests etc ?
UPDATE 16/01/2023 :
OK guys .
Second week in a row and the morning problems that USED to occur 5 to 8 items for a single 25 min drive . Never occured again, i consider this problem fixed.
If your ESP light goes on, you switch your car off and the light goes off but after a while it goes on etc. But after some miles/kms it stops poppin on. Have your car scanned.
So if your obd scanner gives "Intake Air System Leak" and P115500 - Manifold abs. press. sens. Short circuit to B+fault and you have concluded that you dont have an air leak (via smoke test or air pressure test) and that your wastegate is normal.
Always check your MAP sensors, if you have replaced them and the problem occurs
then check the map sensor plug . Do this multimeter test : https://workshop-manuals.com/volkswagen ... /page_826/
By doing this test i concluded the 4th wire was problematic.
Thanx for all the help iichel , ciclo and others
Top