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         Scrappy Newbie 
          
 
  Joined: Dec 21 2023
 Online Status: Offline Posts: 1
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  Location: United States
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           | Posted: Dec 21 2023 at 9:42pm | IP Logged
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A couple days ago my 02 Frontier 3.3l suddenly decided to develop a 
 misfire on #3 cyl.  Truck had sat for a week. No previous issues. 
 
 
 
 Started perfectly when cold. Went inside, came out 15 minutes later for 
 work and I could hear the misfire.  Determined it was #3. Plug looked fine 
 later, plugs and wires are 3 years old. Wire looks perfect as well. 
 
 
 
 Next day I tried again. Started fine, took for a drive. Got 1 mile and misfire 
 returned. Drove home.  
 
 
 
 Next day replaced the plug anyway.  Did this, started perfect again ran it for 
 1/2 hr then took it for a short drive, was flawless.  
 
 Next morning started perfect, but after warming up the misfire returned. 
 Still on #3. 
 
 
 
 Today it again starts perfectly. Looked closely at plug wire, no visible 
 damage. Checked fuel injector wiring, looks fine. Checked distributor cap. 
 Fine.  Will check again in the morning before work. 
 
 
 
 Ideas?  Thoughts? Suggestions?
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         Rubble Moderator Group 
          
  
  Joined: Jul 31 2014
 Online Status: Offline Posts: 350
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  Location: United States
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           | Posted: Dec 22 2023 at 2:13pm | IP Logged
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Scrappy wrote: 
   
    
    
      
       A couple days ago my 02 Frontier 3.3l 
 suddenly decided to develop a 
 misfire on #3 cyl.  Truck had sat for a week. No previous 
 issues. 
 
 Started perfectly when cold. Went inside, came out 15 
 minutes later for 
 work and I could hear the misfire.  Determined it was #3. 
 Plug looked fine 
 later, plugs and wires are 3 years old. Wire looks 
 perfect as well. 
 
 Next day I tried again. Started fine, took for a drive. 
 Got 1 mile and misfire 
 returned. Drove home.  
 
 Next day replaced the plug anyway.  Did this, started 
 perfect again ran it for 
 1/2 hr then took it for a short drive, was flawless.  
 
 Next morning started perfect, but after warming up the 
 misfire returned. 
 Still on #3. 
 
 Today it again starts perfectly. Looked closely at plug 
 wire, no visible 
 damage. Checked fuel injector wiring, looks fine. Checked 
 distributor cap. 
 Fine.  Will check again in the morning before work. 
 
 Ideas?  Thoughts? Suggestions? | 
       
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 Truck Mileage?
 
 My advice ~ Download DTC's,  Download Genuine Nissan 
 Service Manual, Follow the DTC diagnostic's in the 
 Service Manual; Or Take it to the Nissan Service Dept and 
 see if they can diagnose the problem.
 
 Google 2002 Nissan Frontier 3.3L Misfire and Distributor 
 Replacement, it might help you to confirm if the 
 Distributor need's Replaceing.
  __________________ Barney
 2013 SV V6 Frontier KC/AT/2WD; Previous 20 yrs ~ '93 I4 Hardbody KC/AT/2WD, Sold.
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