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engine misses when cruise control is on

Old Aug 8, 2016 | 10:07 PM
  #1  
azdave35's Avatar
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Model: Cherokee
Default engine misses when cruise control is on

96 gc with straight 6....i was driving down the freeway and hit the cruise control...the engine started skipping and missing...as soon as i turned the cruise off it ran fine...engine light came on with codes 12 and 43...anyone ever had this problem before?
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Old Aug 9, 2016 | 03:46 AM
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From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
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Sounds like a massive vacuum leak. Probably a ruptured diaphragm in the cruise control actuator.
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Old Aug 9, 2016 | 12:43 PM
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thats what i thought but the cruise control still works....no leaks on the lines either
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