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SVTPerformance's Chain of Restaurants
Tuning À la carte
A9L foxbody tune help
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<blockquote data-quote="Don 95Vert" data-source="post: 14055957" data-attributes="member: 15121"><p>Here are a couple thoughts:</p><p>If it has a switch chip with a cable, try removing the cable. It'll default to setting zero - if it is an SCT chip. The cables sometimes cause RF interference.</p><p>Ditch the MSD crap and put in stock OEM ignition components. Seen MSDs do this all the time on the dyno - OEM - never.</p><p>See above with regrds to the TFI module - when they go bad, they usually work OK when cool - and cause issues when hot.</p><p>Check 02 sensor wires, on an older Fox, the wires often lose insulation from being exposed to weather and all the heat/cool cycles - often there are tiny breaks that can cause havoc.</p><p>I have seen a couple Fox bodies with odd issues have a bad PCM - no way to test this other than throwing a new part at it.</p><p>Hope this helps.</p><p></p><p>Don</p></blockquote><p></p>
[QUOTE="Don 95Vert, post: 14055957, member: 15121"] Here are a couple thoughts: If it has a switch chip with a cable, try removing the cable. It'll default to setting zero - if it is an SCT chip. The cables sometimes cause RF interference. Ditch the MSD crap and put in stock OEM ignition components. Seen MSDs do this all the time on the dyno - OEM - never. See above with regrds to the TFI module - when they go bad, they usually work OK when cool - and cause issues when hot. Check 02 sensor wires, on an older Fox, the wires often lose insulation from being exposed to weather and all the heat/cool cycles - often there are tiny breaks that can cause havoc. I have seen a couple Fox bodies with odd issues have a bad PCM - no way to test this other than throwing a new part at it. Hope this helps. Don [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
A9L foxbody tune help
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