Re: Couple Problems..... Soft Code???
If it sounds like spark is arcing, check the condition of the cap/rotor...if it sounds like a "chirping" sound, check the condition of the vanes rotor and any signs of it rubbing against the stator sensor....this last possibility could be causing your CEL/no codes and backfiring issue. Hope this helps.
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ACRONYMS:
LUK=Let Us Know, GL=Good Luck, LMK=Let Me Know, JIC=Just In Case, BTSTDTRT=Been There Seen That Done That Repaired That and the classic... DILLIGAS=Do I Look Like I Give A S***
1986 Mustang GT w/T-Tops 
NOW: 5.0L Stock SB, X303 Cam, 700 cfm DP Holley, 289 '66 Heads, 1.7 RR, Richmond Gear 4+1 Tranny, Centerforce DF, 2.73 Gears
WIP: 3.90 Gears, LS Overhaul, Adj. LCA's & UCA's (Granatelli), T-Top weather striping and rear braces bodywork 
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