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#1
03-24-2004, 02:28 PM
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Trouble Codes?
My 95 5.0 HO is putting out an 181 and a 189 trouble code. According to the book that means the system is running rich. Where should I start testing sensors? I have adjusted the timing and it is correct. The car has never run right. It feels like it it just won't get up and go.
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#2
03-24-2004, 10:11 PM
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O2 sensors and the ECT sensors are the biggest factor to the a/f ratio.
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92 Mustang GT, 347 Stroker(Forged Steel Crank/Rods-Balanced, Forged Alum Dished Pistons), B50 Block, Track Heat Intake, Twisted Wedge Heads w/ Stage 3 port/polish, 80mm C&L MAF, FMS 30# Inj., BBK AFPR, Trick Flow Stage 2 Cam, Trick Flow 1.6R Rockers, BBK EL-CC Headers, MAC O.R. H-Pipe, Flowmaster Cat-Back, Accufab 75mm TB, MAC CAI, BBK Pulleys, Griffin Alum Radiator, Mark 8 Fan, MSD Pro-Billet Distributor; AOD, Dynamic 3300 L-U Converter, B&M Trans Cooler; 3:73 gears.
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#3
03-30-2004, 07:55 PM
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Re: Trouble Codes?
The above are good suggestions. Might want to check your TPS voltage, too. Closed it should be less than 1 volt - somewhere between .90 and .99. I run mine at .98. You will need to probe the wires. It's a three wire hook up and, as I recall, it's the green and black ones?? Running rich does sound more like 02 sensors, though. Or, you cats could be clogged, too.
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