Re: MPG question-check the SID - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: MPG question-check the SID
Posted by Bill D (more from Bill D) on Thu, 12 Oct 2000 12:25:36
In Reply to: MPG question?, Eric, Thu, 12 Oct 2000 11:43:50
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My SID usually is 1-2 mpg low compared to what I calculate. Fill the tank slowly to first shut off by nozzle. Record the miles. Reset the SID mpg. Drive for a week or whatever. Fill the tank slowly to first shutoff. Record the miles and gallons to refill. Calculate mpg and compare to SID. I do this using a spreadsheet (something nutty to do) and generally find the SID is low as stated. Problem can be inconsistent filling of tank so it may be best to do it for 3-4 fills & don't reset the SID each time. That way you will get less error from inconsistent filling.
As TG says, error could be due to low tire pressure. You might also check that SID is set for tire/rim combination you are using.
Posts in this Thread:
- MPG question?, Eric, Thu, 12 Oct 2000 11:43:50
- Re: MPG question?, bob, Sat, 14 Oct 2000 19:17:00
- Re: MPG question-check the SID, Bill D, Thu, 12 Oct 2000 12:25:36 <-- Viewing This Message
- Re: MPG question?, TG, Thu, 12 Oct 2000 12:06:34
- Tires, Eric, Thu, 12 Oct 2000 13:18:28
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