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bad alternator=high rpm misfires?

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Old Apr 17, 2011 | 05:40 PM
  #1  
xjmuddigger's Avatar
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From: DIRTY SOUTH
Year: 1991
Model: Cherokee
Engine: 4.0 ho
Default bad alternator=high rpm misfires?

my 91 xj is misfiring at higher rpms,its fine at low rpms,i did the self diagnostics test,it gave me a code 41(alternator issue) could this be the reason for my higher rpm misfires?
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Old Apr 17, 2011 | 05:55 PM
  #2  
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From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
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It very well could be. It requires a minimum of 9.6 volts to keep the coil firing, the injectors to function, and for the computer to function.
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