Bad gas mileage!!!
04-19-12, 07:47 PM
#16
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thanks for the help.but how did you know it was the o rings?did you smell unburnt gas in the engine bay?
Hey whats uP. Im no rocket surgean, BUT, if you smell gas then you just might have a gas leak somewhere. Check all your fuel lines to make sure everything is tight. When I first bought my SC I smelled gas too, but it was because the car was missing its charcoal cainister; doesnt make a difference in gas mileage, but took away that gas oder. 92 Sc300 Automatic - 1jzgte swap
Good luck. Keep us posted with the outcome of your situation.
Good luck. Keep us posted with the outcome of your situation.
04-21-12, 11:46 AM
#24
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Not unless you have an aftermarket ecu.
Your EGR actually cools the combustion temperatures down. The stock ECUs fuel maps compensate for this so when you delete it you'll be running at the wrong af/r
Your EGR actually cools the combustion temperatures down. The stock ECUs fuel maps compensate for this so when you delete it you'll be running at the wrong af/r
04-23-12, 05:18 PM
#27
Not to thread jack, but is 13 MPG fulltime city driving normal? I got 221mi on fulltank last week. Nothing seems to be wrong with my '95 SC400, no CEL, but one thing I noticed is my exhaust smells a little rich. What should I do first or what should I be looking for first to troubleshoot this? I'm planning on just taking everything apart tomorrow, clean MAFs, clean EGR, change the hoses if needed, clean O2 sensors, inspect spark plugs and wires, inspect distributor... Anything else I'm missing? Thanks in advance.
04-23-12, 05:41 PM
#28
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Not to thread jack, but is 13 MPG fulltime city driving normal? I got 221mi on fulltank last week. Nothing seems to be wrong with my '95 SC400, no CEL, but one thing I noticed is my exhaust smells a little rich. What should I do first or what should I be looking for first to troubleshoot this? I'm planning on just taking everything apart tomorrow, clean MAFs, clean EGR, change the hoses if needed, clean O2 sensors, inspect spark plugs and wires, inspect distributor... Anything else I'm missing? Thanks in advance.
04-23-12, 07:24 PM
#29
I used to get 17mpg full time city driving. Then about a month ago, I tried using the ECT/PWR full time city driving, then I get 13mpg for a couple of weeks with it turned on the whole time. Now, it's been a couple of weeks of me NOT using the ECT/PWR and I'm still getting 13mpg full time city driving. Yes, I drive like a granpa if you've seen my thread I said that. I don't even accelerate my SC hard or brake hard. The fuel filter haven't been changed either, and I'm pretty sure ever since the car was new, because there are no signs of the lines being touched by tools of any sort. It's next on my list probably in the next couple of months. Any ideas CL?
04-24-12, 06:44 AM
#30
Driver School Candidate
I deleted my EGR and it seems like my gas mileage stayed the same... nothing to write home about tho. still get about 280miles to the tank on my SC300. i believe i have bad 02sensors tho. I had a CEL and TC light on since i got it and i can reset the ECU and it stays off till engine warms up. so I am gonna change my fuel filter and 02 sensors in the near future and see if i get any better mileage.