TwinTurbo.NET: Nissan 300ZX forum - New TT.Net member...Advice with cylinders 3,4,5 only firing
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Subject New TT.Net member...Advice with cylinders 3,4,5 only firing
     
Posted by VocalyZn on July 22, 2012 at 10:40 AM
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Message when I remove the passenger side throttle body and turbo hoses.

Here's the low down. Im new to Z ownership and am fully submersing myself into an engine replacement. I replaced a blown motor with a JDM about a month ago and have not been able to get my ride running correctly since. The car has been lagging like crazy and I've been trying to troubleshoot the issue by process of elimination. After a minor code 13 on the ECU I was able to do a simple sensor swap and now it reads code 55. Good right?

After a bunch of other trial and error (Replaced harness connectors with new, swapping PTU, checking all injectors, Replacing with 6b-11b plugs, checking all coil packs) I discovered something.

When I remove the passenger side hoses from the turbo intake as well as the throttle body the thing idles like a frickin champ and there's power on all cylinders (verified by removing coil pack connectors and evaluating idle difference). Although it idles well like that it will bog out when accelerated. when I replace the mentioned hoses, the motor seems to not be producing power on cylinders 3,4 and 5.

I'm so confused and could really use some direction.
Thanks

     
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