AEM wide band problems - Ford Mustang Forums : Mustang Forum
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post #1 of 3 Old 08-10-2011, 05:53 PM Thread Starter
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AEM wide band problems

hi i just got a brand new AEM wide band. so i installed per the instructions. didnt use the 2 wires for data longing. ok so this is whats wrong. i will start the car it will read 12-14 and go all over the place in that area. then it will just stop working and read --- in the display. my car is a 88 5.0 with 30 lb injectors with a match pro m mass air running 42lb of pressure at the reg. i know my car cant be that lean. i called aem and they said exhaust leak but i dont have one that i can hear. i mounted the gauge on the hpipe about a foot down from the reg o2 sensor. what do you guys think?

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post #2 of 3 Old 08-12-2011, 11:37 PM
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ground wire?
my 02 cents. Home you figure it out

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post #3 of 3 Old 08-13-2011, 01:18 AM
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A exhaust leak sounds about right, just cause u can't hear it doesn't mean you don't have one. If you rev it does it get offthe lean side?
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