Massive Variations in Perf and MPG at 75mph - Saab 9-5 Bulletin Board - Saabnet.com
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Ok... So I posted a few weeks back about how my 07 9-5 hates the heat. In short, it was a dog at 95 degrees. To remedy the problem, I tried the following:
- new platinum ngks as listed in the manual
- new DIC genuine
- new throttle body to intake pipe oring
- new air filter
- checked all the vacuum lines
- cleaned the amm and throttle body
so, yesterday I went on a long road trip. Setting out, it was 106.car was still slow. Avg fuel economy was 20mpg at 75mpg. About 200 mi later, hit rain. Cooled down to 90's. Fuel economy was in the mid 20s. On the final leg, same speed, temp in mid 70s. Average fuel economy was 33mpg! Anyone have any votes as to what this can be?
posted by 66.87.101...
Posts in this Thread:
- Massive Variations in Perf and MPG at 75mph, Tulsaab , Thu, 26 Jul 2012 14:57:00 <-- Viewing This Message
- AND THE WINNER IS...., Tulsaab , Sun, 29 Jul 2012 11:42:25
- Update on a Mountain, Tulsaab , Fri, 27 Jul 2012 10:57:31
- Re: Massive Variations in Perf and MPG at 75mph, Dean, Fri, 27 Jul 2012 08:56:57
- Sounds like she just needed to be cleaned out. nm, Norm95, Thu, 26 Jul 2012 15:55:45
- Re: Massive Variations in Perf and MPG at 75mph, Dano in Texas , Thu, 26 Jul 2012 15:33:04
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