5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Bad idle..?

Old 10-14-2008, 11:09 PM
  #1  
stangmanfifty
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Default Bad idle..?

Yup, heres another one..., i have my 88 lx 5.0 and recently started running like crap! I need it for work so what i did was trouble shoot but the only thing that made a difference was disconnecting the massairflow sensor.., I dont understand..? Any 1 have ideas..?
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Old 10-15-2008, 12:27 AM
  #2  
Night Terror
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run a KOEO/KOER test... it will give you Codes that could lead you to the issue... its in the Sticky at the top of the forum i think its called TECH ARTICLES
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Old 10-15-2008, 12:29 AM
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BTW what year isthe car? i see your info says 88lx... if its a SD to MA conversion... make sure hte BAP sensor on the Firewall behind the Driver Side Valve Cover has no vacumme line going to it and its capped off.
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