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Old 09-09-2010, 03:00 PM   #34 (permalink)
cfg83
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Join Date: Dec 2007
Location: Southern California
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1999 Saturn SW2 - '99 Saturn SW2 Wagon
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trikkonceptz -

Quote:
Originally Posted by trikkonceptz View Post
With regards to my scangauge not reading 9999 when Engine Off Coasting;

As mentiuoned earlier, it is likely a problem with my scangauge ... After reading through this I changed one of my settings to read GPH and when the car is off and the key is in the ON position I still reads .02 GPH usage instead of 0.00 when the car engages the DFCO while cruising in gear ...

Oh well, at least I found my problem ...

Thanks guys ...
Can you do me a favor and tell me what your RPM and MAP are when the car is off and the key is in the ON position? The reason I ask is that when my key is in the ON position, I still see 61 RPM. That leads me to believe that the SG thinks the engine is still running, however slightly. The 61 RPM could be an error in the sensor at 0 RPM (likely), or some kind of failsafe non-zero value reported by the ECU/PCM to avoid divide-by-zero errors (not likely, otherwise why not 1 RPM for that case).

CarloSW2
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