Re: 9.3 ss poor perf....long - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: 9.3 ss poor perf....long
Posted by patprice (more from patprice) on Sun, 28 Sep 2003 05:17:15
In Reply to: 9.3 ss poor perf....long, dang, Sat, 27 Sep 2003 06:56:09
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I am a dealer mechanic and am a little embarrased to admit that I am not well versed on the T8 fuel injection system(none with a problem yet with 40 cars in the field), but here is what I would do if I was a tech. Use the tech 2 to check the various intake pressure and temperature sensors then I would look at long term fuel trim and finally multiplicative and adaptive fuel values which will help identify an out of range Mass Airflow Sensor(If it has one).
I suspect that you have a bad air sensing device or out of range exaust oxygen sensor. The last two values will tell your tech if the computer is trying to reconcile the difference between what the intake is saying is happening and what the exaust is saying.
As for checking the DI...It doesn't have one.
posted by 172.161.15...
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