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Anonymous Posted on May 12, 2010

Why is my mustang burning a lot of gas - 1989 Ford Mustang

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Brian Lovain

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  • Contributor 7 Answers
  • Posted on Aug 11, 2010
Brian Lovain
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Joined: Aug 11, 2010
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Might need a tune up

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Related Questions:

0helpful
1answer

Burning a lot of gas

your O2 sensor must be out. It is in charge of reading you fumes output to determine if you are running too much or too little gas. When this goes out, your car will go in default mode and push more gas in. In return, your car will burn more gas
0helpful
1answer

Burning a lot of gas.

how much, a lot means nothing, to me they all do. so...???
MPG? is what.

or liters per 100km (metric) ROTW
0helpful
1answer

Smokes and smells like gas at muffler

That has to be gas that is not being burned! No idea why blowing a fuse with the air compressor rashed your car like that - must be coincidental or collateral damage.
0helpful
1answer

Whats carbon deposits on valves?

carbon is from the fuel burning. There are additives you can add to your gas to help prevent this from happening or a good blast down the highway putting the gas to the floor and you might see some black smoke coming out of the exhaust thats carbon burning off. Carbon can build up if the car is driven easy all the time. or crappy gas doesnt help either. If the carbon is real bad it can start hanging valves open and make it run like ****.If it gets bad enough no power then would have to remove the valves to clean them.
0helpful
1answer

My 98 mustang cobra was being stored and occasionally driven by my daughter. It started clattering at1800 rpm. When she checked the oil it was 3.5 qts low. There is no evidence of it burning oil or of a...

Thatt's an awful lot of oil. Hopefully it might be just some lifter noise. You might try an additive to clean the oil. I would also think of doing a complete service and check up on the Mustang.
2helpful
1answer

I have a 2000 ford mustang v6 I was putting 89 octane gas in it. my manual said to burn 87 octane so i'm burnning 87 now .but when I accellerate I get a knocking, rattling sound took it to a ford dealer...

Humm, give it some time. there are upper cylinder cleaners, but I worry about converter damage, and oxygen sensor damage. The lower the octane, the hotter and more masssive the burn, exactly backwards from what you would think, but higher octane is slower burn and av.gas is really, really slow.
Ford has had slow to start issues that traced back to drivers using too high octane....

Still, if it keeps pinging, you may need to run higher than spec octane.
I would have thought that your car would have knock sensor that would trim this issue...
1helpful
1answer

Why is my mustang burning a lot of gas

could be anything from a dirty air filter to worn valve seats and piston rings ,even a brake binding or the clutch slipping
1helpful
2answers

MY MUSTANG RAN OUT OF GAS THE OTHER DAY. EVER SINCE THEN I HAVE NO HORSEPOWER. WHY IS THAT?

you likely ended up with a lot of water and sediment in your fuel. First thing to try is a bottle of gas line anti-freeze as it absorbs any water in the fuel system. you may consider fuel injection flush and a new fuel filter.
adding a bottle of injection cleaner may work well too.

robert
0helpful
1answer

2000 mustang smell of either gas or something burning

Its probably leaking and your losing fluid, take it back to the shop
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