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Old 04-24-2009, 03:53 PM   #1
esoroka
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Gr. Voyager 3.3 is starting to use too much gas!

Guys,
Need you advice. My Grand Voyager-96, 3.3 engine start use too much gas. Usually I could take ~ 250-280 miles per tank. Now I can hardly take ~150-160 mi/tank...
I changed air filter, checked the tank cap (it fit well), there is no any leak...
What else should I check?

Thanks,
Eugene
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Old 04-24-2009, 05:34 PM   #2
RIP
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Re: Gr. Voyager 3.3 is starting to use too much gas!

Welcome to the forum. I would connect a scanner with a real time data capability to determine where to look first. Shooting from the hip I would suspect the upstream O2 sensor first. It is a key component in determining fuel/air ratios. You haven't just started using your A/C now that spring is here have you? How old are the spark plugs?
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Old 04-24-2009, 06:07 PM   #3
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Re: Gr. Voyager 3.3 is starting to use too much gas!

RIP, thanks for the reply.

1. Spark plugs are 3-4 y.o. Is it time to replace it?
2. I have not yet started to use A/C. I do not think it is related to A/C...
3. There is no warning message on the main board.
4. Forgot to mention. When I start a car or press gas I can hear the more stronger noise (like B-r-r-r) as usual!

I will change the O2 sensor, of course.

Eugene
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