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

Fuel Problems!

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Old 12-26-2006, 12:19 AM
  #1  
Car_Ramrod
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Default Fuel Problems!

so when i started my car cold today and tried to start driving after about a minute. i was just accelerating light out of my driveway...not shifting over like 1800 or 2000 rpms...but the air/fuel gauge started to show that the car was leaning out while i was giving it gas. the meter went over to like 17ish and it wasnt just a misreading...i could feel the car bogging down. is it because of my MAF? it was fine after i let it sit for like 5 mins...but it was weird and kinda freaked me out. didnt seem good for the car at all. anybody else ever have this problem? do i just need to let it sit to warm up before i drive it? any help is greatly appreciated.
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Old 12-26-2006, 12:25 AM
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geetee03
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Default RE: Fuel Problems!

the O2 sensor is not accurate untill it heats up.
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Old 12-26-2006, 01:55 AM
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bransdaman78
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Default RE: Fuel Problems!

we always let FI cars heat up before driving them
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