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1983 SDV Throttle Body Backfire

Started by George Woodford clc21025, January 19, 2005, 07:40:23 PM

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George Woodford clc21025

Recently, I notice engine hesitation sometimes when I depress the accelerator pedal while driving my HT4100 masterpiece.  If I depress the pedal far enough to the floor, there is what appears backfire in the throttle body.  I replaced the EGR valve and vacuum hose and the problem still occurs on occasion.  Any ideas what may be causing this problem?