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

Need Help!!

Old 03-03-2014, 11:30 PM
  #1  
hurstang91
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I recently traded for a 99 gt 5speed and I'm having some issues with it. Someone has put headers and full exhaust on it and a cold air intake. The problem I am having is that it is throwing several codes, most of them for o2 sensors, but one was for a purge valve. After I delete all codes, it runs fine for about five miles or so. It then starts dying at a stop or dropping rpms and shooting back up to about 2 grand or more. It's really a problem. Please help. It also seems like it has power loss and sometimes a miss. New plugs and coils.
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Old 03-04-2014, 10:24 AM
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96t-bird
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Check all your vacuum lines, fitting with CAI and IAC, MAF. What was the actual DTC ?
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Old 03-05-2014, 11:42 AM
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hurstang91
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The codes are p0443 and p1451. I am also having trouble locating the purge flow sensor in my car.
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