TwinTurbo.NET: Nissan 300ZX forum - Passenger side running lean?
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Subject Passenger side running lean?
     
Posted by Ebola on July 12, 2008 at 9:15 PM
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Message A couple weeks ago I was working on my car trying to fix my idle problem. Ran O2 tests on both sides, and the passenger side failed (light turned off about once every 8 seconds).

So I ordered up a new sensor, and replaced it. Tried the test again, and same problem. So I was thinking I might have somehow changed the wrong side, so I put the old sensor into the drivers side. Still have the same problem, light flashes off every 8 seconds or so.

Now I'm thinking that somehow my passenger side is running lean... what could cause this? what are some things I should check for?

Injectors are brand new, and I last checked the fuel pressure about 6 months ago, but I think I'll try them again tomorrow. Other than that I'm at a loss.

Appreciate any input/ideas.

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-George Orwell

     
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