ECU and O2 sensor issue (input appreciated) - The Saab Link Forums

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Old 09-28-2005, 07:16 AM   #1
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ECU and O2 sensor issue (input appreciated)

Here's the situation:

1. As many of you remember, I have the Nordic Stage 3+ ECU and all other mods needed for the upgrade
2. When I haad my custom catback fitted the mechanic accidently put both O2 sensors before the cat.

Now when I first got the ECU in, the car pulled like crazy.. but over time it dropped off slowly and my boost gauge these days rarely gets over 10psi

3. the engine light is on saying probably that the o2 sensors are all screwed up. I'm thinking that the ecu read this and decided to limit the power i could have

I have been putting off the fixing of the 02 problem since its rather spendy since the mechanic screwed up pretty bad.

Also, can't relaly take it back to the mechanic because he is in MN and I am at school 1000miles away and wont be home for 7 months

Any thoughts?
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Old 09-28-2005, 07:21 AM   #2
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Your getting the CEL because your o2 sensor values are the same. Just visit a performance shop, and have them relocate the sensor.

Your only getting 10psi, because you're in "Limp Home Mode". That will change once you get that o2 sensor relocated.
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Old 09-28-2005, 08:24 AM   #3
 
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There's no other answer.

No other solution.

Have someone put in a 02 bung post-cat.
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Old 09-28-2005, 08:52 AM   #4
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Quote:
Originally Posted by mike saunders
There's no other answer.

No other solution.

Have someone put in a 02 bung post-cat.
+3
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Old 10-01-2005, 08:41 PM   #5
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ced, i wish it were so easy to find a place. However i am not familiar with the lexington, kentucky area where i attend college. I have called numerous places that claim they don't have ways of extending the 02 wires to where i need them . Anyone know how i can get them extended? they all keep giving me the whole "this would be a big project" look, and that means a lot of $$ that i don't think i should have to pay.

Thanks guys
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Old 10-02-2005, 11:31 AM   #6
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If you purchase a Bosch replacement O2 sensor, generic, not OEM replacement, it will come with plenty of wire on it with a cool and nifty system for splicing it to your strock wiring. I would suggest you do that part yourself. If you do not think you can do it, find a friend or someone who can. It is pretty easy to do. Then once you have sufficient wiring on the sensor, get to a exhaust shop and have them put in a new bung post-cat and weld up the other. It shouldn't be too expensive. You probably have a 4 wire o2 sensor. It should be around $50 to $70 to get a generic 4 wire Bosch sensor from a local parts store. You can also find them online by just doing a Bosch O2 sensor search.
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Old 10-02-2005, 01:38 PM   #7
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thanks for the info burre.. i'll update on how things progress
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