Got some new code on VAG
10-02-2008, 10:00 AM
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Could be a lot of things...
P1127 17535: Long Term Fuel Trim Multiplicative System,Bank1 System too Rich
P1129 17537: Long Term Fuel Trim Multiplicative System,Bank2 System too Rich
P1141 17549: Load Calculation Cross Check Range/Performance
I have struggled for months with these codes, doing all the usual fixes, but my problem is apparently not the garden variety cause.
The first things to check usually are: MAF, ECT. There are two pre-cat O2 sensors on the car, both probably didn't go at the same time.
What are your measuring block 32 values? What is the MAF reading at idle speed in measuring block 2? Those might give a clue as to what it could be.
P1129 17537: Long Term Fuel Trim Multiplicative System,Bank2 System too Rich
P1141 17549: Load Calculation Cross Check Range/Performance
I have struggled for months with these codes, doing all the usual fixes, but my problem is apparently not the garden variety cause.
The first things to check usually are: MAF, ECT. There are two pre-cat O2 sensors on the car, both probably didn't go at the same time.
What are your measuring block 32 values? What is the MAF reading at idle speed in measuring block 2? Those might give a clue as to what it could be.
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