4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Bad Gas Mileage??

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Old 08-04-2008, 08:58 PM
  #11  
kingofqueenz
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Default RE: Bad Gas Mileage??

I get about 160 miles per tank city driving with 30% highway driving. I have all new spark plugs, injectors, fuel filter, air filter etc...You can't get more than 200 miles per tank if you do more than 70% city driving, and by city i don't mean rural roads with no stop sign for a mile, i meen a stop sign or stop light every 100 feet in New York.
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Old 08-05-2008, 12:40 AM
  #12  
Sxynerd
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Default RE: Bad Gas Mileage??

By the time someone realizes they need fuel injector cleaner, it's too late for the injectors. F/I cleaner is snake oil unless it's used as a preventative and not a treatment.

Fuel filters do not affect fuel mileage contrary to what people like to think because your injectors are pressurized to release and unless the fuel line is heavily blocked, there's still fuel built up in surplus behind the injectors waiting to be fired.
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Old 08-05-2008, 07:16 AM
  #13  
Ryan86272
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Default RE: Bad Gas Mileage??

Thanks for the Replys. This Tank i have had a GOOD Right foot... NVR shifting above 2k EVER... car has just over 60k. I will just change everything for the hell of it. Once I can save money for a Fuel System this motor is comming out anyway. (other one is Fully Assembeld ready to go)

enrobriaffej- Ill PM u if i have any luck. Thanks.


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