TwinTurbo.NET: Nissan 300ZX forum - Marvel Mystery Oil to clean injectors?
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Subject Marvel Mystery Oil to clean injectors?
     
Posted by Jayru on October 04, 2011 at 7:49 PM
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Message So I have this barely there running rough feeling at idle that is only present below 1K, goes away until 1800, then back till 2K, sort of a running rough/wub wub feel. The car pulls hard and feels great otherwise (although it smells rich at idle when sitting).

I pulled the coil packs today and all created a heavy miss (except #3 that only made a slight miss compared to the others) - Ohmed that injector (3) and it was 13 ohms (in spec).

The car sat for 2 years with the same gas in it & was run with that gas until I put fresh gas in it when I got it. I'm thinking maybe the injectors are gummed up from sitting/running with the bad gas? Was thinking of dumping in some Marvel Mystery Oil and more fresh gas. Think it's worth a try? The MMO in the gas won't do anything weird when the car is boosted will it?

(Previous Z's - 92 TT stage I - 94 TT stage III)
Current Z - 90 TT stage IV - being rebuilt

     
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