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Panic time. I got my first DTC (No, not STD) S40-V40

uid 5322's pic
posted by  alschnertz on  Sun Sep 5 12:20 CST 2010
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last visit: Fri Oct 24 10:32 CST 2014
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This is a first for me, getting a "check engine" light. I've only owned one other car with a CEL and it has never lit. My daily driver has 2 SUs (bless them).

Anyway, here's my problem;
Daughter's '01 S40, 1.9T, auto, 150,065 miles
P0171 - Lean condition - bank 1
What is bank 1 on this car? It's an L4 for Pete's sake! It only has one bank!
I'll start looking for vacuum leaks, but from what I've read, it may lead to an O2 sensor - MAY.
I thought OBDII would tell you which part is failing.

The thought of just starting to throw parts at this car disturbs me since I've always diagnosed problems before buying parts. I guess I need to get into the 20th century where you just keep changing parts until something works. Sad.

This is somewhat daunting as money is not growing on trees lately.





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