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idle surging

  1. 5.0L Tech
    So, i'm new to this forum and I know that this question has probably been answered a million times but, what would be causing my 1991 5.0 to have surging idle (700-1250 Rpms) to the point where it dies or dies with the slightest touch of the pedal. The first i thought it might be was the IAC...
  2. 5.0L Tech
    I have a odd idle issue ever since I swapped to a 5 speed and I don't know how to resolve it. I idle surge (occasionally but enough to want it to stop) after I come to a stop light from driving. Sometimes it will drop to low idle perfectly, others it will drop straight to dieing, AND sometimes...
  3. 5.0L Tech
    hello, to begin with i just got my mustang back recently from a mechanic, swapped the block because mine was cracked due to an idiot who didnt put antifreeze back after flushing radiator, anyway i get the car back and its running very rich, so rich it burns your eyes cant stand to drive the car...
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