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Old 01-14-2009, 03:16   #1 (permalink)
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confused 1991 Tempo drinking gas

Why is my 1991 Tempo using so much gas? I only got 130 miles to a tank and I know it should get at least 300-400 miles....It's also idling real high but mechanic said that shouldn't have anything to do with it...as far as the idling, the mechanic said there was several things bad and would take $400.00 just in parts to fix it....I'm not ready to spend that much more on it right now.....Can anyone help about the gas mileage?

Thanks!!
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Old 01-18-2009, 18:38   #2 (permalink)
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Re: 1991 Tempo drinking gas

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Originally Posted by liltister View Post
Why is my 1991 Tempo using so much gas? I only got 130 miles to a tank and I know it should get at least 300-400 miles....It's also idling real high but mechanic said that shouldn't have anything to do with it...as far as the idling, the mechanic said there was several things bad and would take $400.00 just in parts to fix it....I'm not ready to spend that much more on it right now.....Can anyone help about the gas mileage?

Thanks!!




Hello and good day to you:

Poor gas mileage can be caused by a variety of things....

1. Have you ever changed the Gas Filter???
2. Have you ever change the Air Filter??
3. Have you ever put a good "Fuel injector Cleaner" into your tank??
4. Have you ever had a "Tune up" done???
5. You may want to Clean the "Throttle Body" with a Throttle cleaner not a Carb Cleaner.

As far as the idling it could be other variety of problems....anything from a MAS...TO A...TPS..(sorry Mass Air Sensor...Throttle Positioning Sensor)

May I also ask...do you have a CEL (check engine light) on??

Rule of Thumb.....Start with the Cheapest Fix working to the Most Expensive. I believe I listed them in order, as noted above.

Good luck and Good Repairing:
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Old 10-28-2009, 11:20   #3 (permalink)
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Re: 1991 Tempo drinking gas

My experience with poor fuel economy and higher than normal idle is a vacuum leak.
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Old 10-30-2009, 11:11   #4 (permalink)
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Re: 1991 Tempo drinking gas

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Originally Posted by Nutdriver4773 View Post
My experience with poor fuel economy and higher than normal idle is a vacuum leak.
Together, that's probably a good assessment. High idle by itself is almost always a bad/dirty idle air control (IAC), which still could be a contributor. But as Sterling_Six said, start with the simplest and cheapest solutions first.
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Old 11-05-2009, 08:50   #5 (permalink)
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Re: 1991 Tempo drinking gas

" I'm not ready to spend that much more on it right now " If you don't spend the money
to fix it your going to spend it on gas anyway. I'd suggest you fix it before the " gas wash " wipes out your rings and bottom end bearings. Then you rebuild the motor.
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