Fuel Consumption Increase Due to Midpipe
#28
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Did you install the stuff yourself or have someone else do it? If someone else installed, maybe something was damaged? Although even if that were the case I'm not sure how it'd cause such poor mileage.
There are definitely a lot of factors that determine what kind of mpg you get but I think it's safe to say exhaust / mid pipe would not change it by that much... if I only got 66 miles to 1/2 a tank I think I'd be very sad : ( Hopefully you get it figured out.
There are definitely a lot of factors that determine what kind of mpg you get but I think it's safe to say exhaust / mid pipe would not change it by that much... if I only got 66 miles to 1/2 a tank I think I'd be very sad : ( Hopefully you get it figured out.
#29
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Yeah, it's really buggin me. I get the new BDW coils in the morning, so I'll install them and try it out again, I'm REALLY hoping that's the issue.
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Winter gas actually increases fuel economy. Fuel companies are required to put a lot more crap into their summer gas to make it burn cleaner because peoples windows are down. Once windows start to go up for the colder months the gas mixture changes and more nasty fumes are released but fuel economy goes up.
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Someone suggested that my ECU is dead. Which would make sense and that I could either do a remap or get a new PCM. But that's $$$$$$$$$
#39
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I have not yet. I put it new coils today, removed the midpipe, and reset the ECU all in an attempt to see if anything will change. I'm feeling that the fuel was running extremely rich, because even a 4k rev would hear backfire...Which it didn't used to when I first put the pipe on. So we'll run it for a little while and see what happens. If the consumption goes back down, I'll just have to wait until I get an AP.
#40
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backfiring at 4k with an ap midpipe is common, i backfire at 2-3k rpms at times. its the nature of the pipe
I have not yet. I put it new coils today, removed the midpipe, and reset the ECU all in an attempt to see if anything will change. I'm feeling that the fuel was running extremely rich, because even a 4k rev would hear backfire...Which it didn't used to when I first put the pipe on. So we'll run it for a little while and see what happens. If the consumption goes back down, I'll just have to wait until I get an AP.
#41
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Winter gas actually increases fuel economy. Fuel companies are required to put a lot more crap into their summer gas to make it burn cleaner because peoples windows are down. Once windows start to go up for the colder months the gas mixture changes and more nasty fumes are released but fuel economy goes up.
This switch over from summer to winter blends usually happens mid September
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