'92 blazer hesitates/stutters

[chvythndr]

My bro has a '92 blazer that occasionally stutters when accelerating. We just replaced the fuel filter. He did wires, plugs, cap, & rotor a while back. Any ideas?

[Wingnut]

Is the SES light coming on at all?

[chvythndr]

My bro has a '92 blazer that occasionally stutters when accelerating.  We just replaced the fuel filter.  He did wires, plugs, cap, & rotor a while back.  Any ideas?

 

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Nope. Just stutters when under accelleration.