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97 cherokee misfire codes cly 1 and multiple

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Old Feb 18, 2014 | 07:14 AM
  #1  
Tim65's Avatar
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From: N.Y.
Year: 1997
Model: Cherokee
Engine: 4.0
Default 97 cherokee misfire codes cly 1 and multiple

I"ve been having issues with these codes forever can't pass inspection, I changed the whole distributer ,cap, rotor , wires , plugs no change runs much better but still the codes are coming up
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Old Feb 18, 2014 | 08:19 AM
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CCKen's Avatar
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From: Canton, MI
Year: 1999
Model: Cherokee
Engine: 4.0
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Originally Posted by Tim65
I"ve been having issues with these codes forever can't pass inspection, I changed the whole distributer ,cap, rotor , wires , plugs no change runs much better but still the codes are coming up
Have you tested the fuel pressure at the fuel rail?

Should be 49 +/- 5 psi.
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Old Feb 18, 2014 | 08:26 AM
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From: HBG, PA
Year: 1998
Model: Cherokee
Engine: 4.0L
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Might want to do a compression test on those cylinders as well.
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