issues with S5 T2
I've got a few problems here.
1: The car is bad on gas (like, unusually bad... 12-13MPG maybe?) I drove it pretty gently - Has lots of compression and a fresh engine. CEL isn't on, I'm assuming it would come on if the o2 sensor was bad? 2: it doesn't seem to have much power at high RPM - it seems really dead above 6000. Below 6000 it's fantastic! Is this just because it's stock and I've forgotten that they don't pull up high? Been a few years since I've driven a stock T2. |
could be a clogged cat
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its an s5, theres your problem
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Originally Posted by Terrh
The car is bad on gas (like, unusually bad... 12-13MPG maybe?)
I drove it pretty gently - Has lots of compression and a fresh engine. CEL isn't on, I'm assuming it would come on if the o2 sensor was bad? |
Originally Posted by Terrh
1: The car is bad on gas (like, unusually bad... 12-13MPG maybe?)
I drove it pretty gently - Has lots of compression and a fresh engine. CEL isn't on, I'm assuming it would come on if the o2 sensor was bad? IME, a bad O2 sensor would drop mileage 2 - 3mpg. A bad or misadjusted TPS would also affect your gas mileage at about the same rate. 2: it doesn't seem to have much power at high RPM - it seems really dead above 6000. Below 6000 it's fantastic! Is this just because it's stock and I've forgotten that they don't pull up high? Been a few years since I've driven a stock T2. Yes, it chokes the power a lot. -Ted |
Originally Posted by RETed
IME, a bad O2 sensor would drop mileage 2 - 3mpg.
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it's BONE stock.
I mentioned O2 sensor because when I traced the wire to make sure it was connected it went to some weirdo white wire that went aaaallll the way over to a hole on the driver's side of the firewall, I haven't managed to trace where it gets to inside or not. How do I pull the codes on this thing to see if everything's connected? I just drove it and 1/2 a tank didn't even get me 100 miles! And this is an s5 with the bigass gas tank. I haven't adjusted the TPS yet either but it seems to be reasonably close to adjustment - at least not "way out"... it does backfire some on high-rpm decel though so maybe it's a part of the problem. |
Originally Posted by Terrh
it's BONE stock.
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