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Old 04-13-2012, 04:07 PM   #16
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Re: Gas Mileage Is Too Low On Town Car

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Are you talking about the IAT (Intake Air Temperature) sensor?

I think it was removed from the airbox to be relocated into the MAF sensor itself. That's why some newer models have a 6 pin MAF sensor.

Oscar.
Probably, but then again, I'm not sure on a 2002. On the 1996, there is a Sensor (of some sort) mounted to the Air Box.
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Old 04-13-2012, 10:57 PM   #17
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Re: Gas Mileage Is Too Low On Town Car

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Probably, but then again, I'm not sure on a 2002. On the 1996, there is a Sensor (of some sort) mounted to the Air Box.
I did see a sensor attached to the hose leading into the air filter box but it was still attached and i never touched it. However i did get to change the fuel filter today and the miles per gallon reset to 0 and now it's up to 9.5 to 10 i have the plugs (platinum) and new boots which will probably be put on tomorrow tried to change the pcv valve but the one they gave us did not match and when the guy looked it up it was the same one he had gave us so well try another store tomorrow. I'll keep you all posted and thanks for the input.
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Old 04-14-2012, 11:47 AM   #18
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Re: Gas Mileage Is Too Low On Town Car

I would advise you to get an OEM PCV valve. Many people says the aftermarket one's don't have the same properties as OEM's do.

Just in case and even if you get an OEM or aftermarket PCV, the new one will come with TWO openings instead of just one (not sure if your model needs both openings) and a small plastic cap. If you need only one, install the cap on the upper (smaller) opening and you're all set.

Let us know if the spark plug and boots make any difference.

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Old 04-14-2012, 08:55 PM   #19
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Re: Gas Mileage Is Too Low On Town Car

Since you mentioned you haven't driven very far or fast, I'd suggest you confirm your transmission is up-shifting properly and/or you don't have any brake drag.
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Old 04-14-2012, 09:21 PM   #20
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Re: Gas Mileage Is Too Low On Town Car

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...it seems to be holding steady at 8.5 miles a gallon but that's still not normal, wish me luck tomorrow and thanks for all the input and suggestions.
DONT depend on the 'dash mpg' meter for actual MPG's.. run full tanks and calculate your MPG's at each fill-up. miles / gallons.

Another example of the above comments.. when I drive my cars I get 30% better MPG than my wife.. she brakes at the last minute, takes off hard, etc.
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Old 04-14-2012, 11:43 PM   #21
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Re: Gas Mileage Is Too Low On Town Car

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DONT depend on the 'dash mpg' meter for actual MPG's.. run full tanks and calculate your MPG's at each fill-up. miles / gallons.

Another example of the above comments.. when I drive my cars I get 30% better MPG than my wife.. she brakes at the last minute, takes off hard, etc.
Exactly!

How you drive any vehicle will be a big factor in the fuel economy.
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Old 04-15-2012, 06:31 PM   #22
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Re: Gas Mileage Is Too Low On Town Car

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Originally Posted by olopezm View Post
I would advise you to get an OEM PCV valve. Many people says the aftermarket one's don't have the same properties as OEM's do.

Just in case and even if you get an OEM or aftermarket PCV, the new one will come with TWO openings instead of just one (not sure if your model needs both openings) and a small plastic cap. If you need only one, install the cap on the upper (smaller) opening and you're all set.

Let us know if the spark plug and boots make any difference.

Oscar.
I think my car needs the one with one opening but i will definitely try to get oem
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Old 04-15-2012, 06:34 PM   #23
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Re: Gas Mileage Is Too Low On Town Car

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Since you mentioned you haven't driven very far or fast, I'd suggest you confirm your transmission is up-shifting properly and/or you don't have any brake drag.
i don't know how to technically check the up-shift but the trans shifts nice and smooth and she is fast i might have air in the brake lines but i have to wait for my uncle to help me bleed and flush
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Old 04-15-2012, 06:37 PM   #24
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Re: Gas Mileage Is Too Low On Town Car

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DONT depend on the 'dash mpg' meter for actual MPG's.. run full tanks and calculate your MPG's at each fill-up. miles / gallons.

Another example of the above comments.. when I drive my cars I get 30% better MPG than my wife.. she brakes at the last minute, takes off hard, etc.
That's almost how I drive but i have been trying to slow down lately and i have been doing that coasting trick and it really does work so hopefully with the plugs and boot wire change i'll at least get 20 mpg's
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Old 04-21-2012, 02:36 PM   #25
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Re: Gas Mileage Is Too Low On Town Car

I finally got around to changing the plugs and wires I got all out but one I think i'll need an extra extension it's in there pretty tight. the mpg went up to 12 so i still need to find out whats holding it back, thanks for all the input and suggestions.
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Old 04-25-2012, 06:09 PM   #26
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Re: Gas Mileage Is Too Low On Town Car

Mine's got around 12MPG's when driving around town in moderate to heavy traffic. Depending on how far I drive on the highway it can get up to 18-19MPG's ( after around 100 non-stop miles that's the fartest I've driven this car on the highway).

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