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Haltech Instant running rich

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Old Apr 7, 2008 | 07:37 PM
  #1  
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Instant running rich

If your car is running fine one day and the next it starts running rich what would you look for relative to sensors, MAP, TPS, Air temp???
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Old Apr 7, 2008 | 08:03 PM
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All of the above. Could also be your air temp compensation maps since it's been up and down like a pogo stick around this area lately.
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Old Apr 8, 2008 | 09:29 AM
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Also, runaway fuel pressure, your fuel pressure regulator could be bad and is letting all the pressure from the pump get by.
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