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Old Mar 21, 2010 | 07:21 PM
  #1  
EvoDownUnder's Avatar
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From: Australia
P0125 -

Did some searching but can not determine if my CEL is caused by the same issue other people have

Here is my Story
Previously I have had a P0170 Fuel Trim Bank, and the car was running rich (Test on a Dyno)
The Tune has not been touch, only change recent was putting a 1.5 bar actuator on the 9 RS turbo

I have done the following to fix that error.

Cleaned Air Filter
Cleaned Air Sensor
Replaced Spark Plugs

So today after some research I replaced the Front O2 Sensor and Fuel Regulator.

I picked up the car and within 5 KM I got a P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control.

Now the car has had a resistor put on the rear O2 sensor to stop the normal CEL that comes from it

So is the fact the car had not be warned up since the new O2 sensor was put on it throw the P0125 code.

I have attached 2 EVOSCAN logs.
As you can see the front O2 senors read a voltage now and then.

I have track day on Wednesday. So should I put it on a Dyno to check AFR?

Also the car is only driven 1 or 2 times a week

Help please

I am going to remove the resistors from the rear O2 sensor today.

i am doing a track day in 2 days time and worried the car will blow up.

As you can see the Fuel Trim are weird,
Attached Files
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evoscan.zip (99.2 KB, 0 views)
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Old Mar 22, 2010 | 07:45 AM
  #2  
evonut270's Avatar
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Joined: Nov 2006
Posts: 223
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From: vienna,austria/scotland
can you post your rom up?
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Old Mar 22, 2010 | 06:00 PM
  #3  
EvoDownUnder's Avatar
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Posts: 38
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From: Australia
Can't upload due to size

Last edited by EvoDownUnder; Mar 22, 2010 at 10:13 PM.
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