Is this a good reason why my car would consume alot of gas
01-15-2009, 11:22 AM
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Is this a good reason why my car would consume alot of gas
Hey what up everybody.
I go to school in Tallahassee FL and had made a drive to Jacksonville FL which is about 170 miles away and I used almost a whole tank. This is a 10 gallon tank by the way and I have a stock LS motor in the engine bay. What I was thinking was that maybe because of the cold weather and the fact that I have no thermostat in the cooling system the car was forced to operate below normal opperating temperatures. Im talking about the needle was stuck on the "C." When the ECU senses this cold tempurature from the ECT sensor does then richen the air fuel mixture causing my car to experience low gas mileage. What do you guys think
I go to school in Tallahassee FL and had made a drive to Jacksonville FL which is about 170 miles away and I used almost a whole tank. This is a 10 gallon tank by the way and I have a stock LS motor in the engine bay. What I was thinking was that maybe because of the cold weather and the fact that I have no thermostat in the cooling system the car was forced to operate below normal opperating temperatures. Im talking about the needle was stuck on the "C." When the ECU senses this cold tempurature from the ECT sensor does then richen the air fuel mixture causing my car to experience low gas mileage. What do you guys think
01-15-2009, 11:27 AM
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Re: Is this a good reason why my car would consume alot of gas
not having the thermo def won't help but also how you were driving would dicatate that kind of gas mileage as well.
Any more info on how you were driving and anything done to the motor? stock ecu?
Any more info on how you were driving and anything done to the motor? stock ecu?
01-15-2009, 11:45 AM
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Re: Is this a good reason why my car would consume alot of gas
I have a stock P75 ecu. the motor is completely stock with a fresh rebuild. and I say I would hold 85-90 with just me and a girl in the car.
01-15-2009, 12:14 PM
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Re: Is this a good reason why my car would consume alot of gas
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01-15-2009, 12:23 PM
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Re: Is this a good reason why my car would consume alot of gas
correct! I'm gonna try putting back in the thermostat and making the same drive this time with higher temperatures and see if the gas mileage changes.
01-15-2009, 12:59 PM
#9
Re: Is this a good reason why my car would consume alot of gas
umm...maybe if you plugged your spark plug wire back on on that cylinder it would run better...
serisoulsy though, yea, put that thermostat back in, you should notice a diffrence.
serisoulsy though, yea, put that thermostat back in, you should notice a diffrence.
01-15-2009, 01:03 PM
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Re: Is this a good reason why my car would consume alot of gas
WHY was the thermostat removed in the first place?
Usually someone removes a t-stat because of some other cooling system issue that is eluding a diagnosis.
Also besides the fuel mileage, operating that engine at C all the time is a great way to ruin the bottom end as the piston rings rely on being at a certain temp to expand enough to work as engineered.
Usually someone removes a t-stat because of some other cooling system issue that is eluding a diagnosis.
Also besides the fuel mileage, operating that engine at C all the time is a great way to ruin the bottom end as the piston rings rely on being at a certain temp to expand enough to work as engineered.
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