1996 Mustang with terrible gas mileage - Ford Mustang Forum
 
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post #1 of 3 (permalink) Old 06-03-2011 Thread Starter
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Exclamation 1996 Mustang with terrible gas mileage

I have a 1996 mustang and i have a really bad problem with it. It has horrible gas mileage. I have done all the things ive been told to fix it but absolutely nothing has worked. First i did a standard oil change and that didnt help. I then changed the dirty air filter and that didnt help. I then went to my grandpa who is a mechanic and he said i needed to get a new egr valve. I was cheap so i paid to get it cleaned and that didnt work... Finally a few days ago i bought a brand new egr valve and got it installed and nothing has happened. I filled the tank up and put a bottle of RXP in and it didnt help either. I really dont know what to do to get this gas mileage fixed. Im getting around 5-6 miles to the gallon and this car is making me go broke from gas money. Any ideas on what i should do to fix it?

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post #2 of 3 (permalink) Old 06-03-2011
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have the O2 sensors checked, it sounds like the car is running "open loop" and dumping fuel

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post #3 of 3 (permalink) Old 06-03-2011
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Have some one scan the car and monitor the FUEL trim. LT&ST. This will tell you exactly what is going on. how do you check the milage?? Just asking!! Is the car an auto or 5 speeder. And what type of driving do you do. You can also check for excessive back preasure in the exhaust. Once you check the LT&ST fuel trim post it and i can tell you what is going on. Also its hot in Texas you probably use the AC a lot and thats a KILLER on mileage. Pace Tom

HAVE YOU DRIVEN A FORD LATELY!!!

"As I lay rubber down the street, I pray for traction I can keep, but if I spin and begin to slide, please dear God protect my ride"

I SPEND MONEY I DON'T HAVE, TO BUILD CARS I DON'T NEED,TO IMPRESS PEOPLE I DON'T KNOW.
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