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Discussing ok now what? in the 5.0 Mustangs Forum. so i got the check engine light codes and heres what i got 41c -- HEGO (... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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August 28th, 2007, 12:46 AM
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#1 |
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Regular
1993 Mustang GT
13.2 @98.54
Join Date: Apr 2007
Location: Kaneohe Bay, Hawaii
Posts: 433
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ok now what?
so i got the check engine light codes and heres what i got
41c -- HEGO (HO2S) sensor Signal out of range/ Always Rich 67o -- A/c input Hi 66c -- MAF Fault 87c -- Fuel pump primary circuit fault 91c -- HEGO (HO2S) sensor out of range/ Always lean 96c -- Fuel Pump secondary circuit fault 81c -- Air divirter solenoid fault/ intake air comtrol circuit fault so what is 41c, 91c 96c and 81c? |
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August 28th, 2007, 11:00 PM
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#2 |
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MM Fanatic
Join Date: May 2007
Location: Bloomington, IL
Posts: 4,210
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41 and 91 means your O2 sensors are bad, wiring is bad, or the way the EEC reads them is messed up.
__________________
88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it 
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August 31st, 2007, 12:21 AM
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#3 |
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Regular
1993 Mustang GT
13.2 @98.54
Join Date: Apr 2007
Location: Kaneohe Bay, Hawaii
Posts: 433
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bump
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