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ralvarad
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About ralvarad
- Birthday 12/13/1982
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Drop in MPG
ralvarad replied to ralvarad's topic in 9PA, 9PA1 (Cayenne, Cayenne S, Cayenne Turbo, Cayenne Turbo S)
PS. It stayed in the 14 range for a while (until May or so), then all of a sudden this summer it dropped to 13.6. Then it just kept going down 0.1 mpg every week or so. -The tires have been rotated and there is some wear, but good tread. (Balanced and aligned) -
So I've had my 03 Cayenne S since January (bought used with 30K miles). When I first got it the gas mileage was about 14.7...it's at 12.7 mpg now. I'm not sure what the problem is. The service manager tells me there's nothing wrong with it but I'm skeptical. A few more tid bits of information: -The average speed has gone from 32 to 26 mph. (But I think this is due to city driving because I do drive aggressively/fast) -I recently had to replace the spark plugs and engine coils (one of the plugs was misfiring, service tells me there might be carbon build up) -I haven't changed the gas I put in. I use BP 93 ALWAYS. -I have added Lucas Oil Fuel Injector cleaner several times (about every three months) -Had a rear end collision (not my fault) where my left tailpipe was bent, but fixed (unbent) -Don't know how to change the air filter (LOL) Can anyone offer any words of advice? Most certainly would appreciate it. Thanks!