TwinTurbo.NET: Nissan 300ZX forum - Idle problem
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Subject Idle problem
     
Posted by jakZ32 on April 21, 2010 at 8:30 PM
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Message I have a 1990 300zx 2+2 na 5 speed all stock, I bought just a week ago, 117,000 miles all maintence is up to date including the 120k service, new coil packs new plugs (NKG) within 4,000 miles the ptu has been changed engine temp sensor and fuel filter was just changed, I have all service records, but has has only been driven less than 4,000 miles in the last 2 years

Problem will start fine and will run smooth at high idle, but when it kicks down it sounds like a lope in the idle (just not as smooth as i think it should be), there is no hesitation and pulls and runs great no codes but have not done the o2 sensor diagnostic yet I am in the process of cleaning all the connectors and checking all the vacumn hoses

let me know what you all think and any common problem areas that I should focus on, I hope that just running it this week will clear it up since it was not driven much in the last 2 years Thanks

     
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