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Troubleshooting so far: -Loaded in rough tune from RT Tuning using EcuTek. -Fuel pump turns on. We can hear it in the tank, and using EcuTek + my bluetooth module,
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#11 (permalink) |
A True Z Fanatic
Join Date: Jun 2017
Location: Media, PA
Posts: 4,079
Drives: 14 Nissan 370z MR M6
Rep Power: 2684371 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Troubleshooting so far:
-Loaded in rough tune from RT Tuning using EcuTek. -Fuel pump turns on. We can hear it in the tank, and using EcuTek + my bluetooth module, we can start it and keep it running. -Removed upper plenum, checked fuel rail. Fuel rail is definitely pressurizing (shot Madwi in the face when disconnected). -Injectors appear to be correctly seated. Rail seats snugly, with no evidence it's pushing up anywhere. -Reconnected everything. Still rough start, idles horribly, and dies. -MAF sensor port appears to be incorrect. Rusty had noticed during install of passenger MAF that it appeared Treadstone had welded the MAF port off center from the pipe cut out. This was hand filed to allow MAF to install correctly. MAF does not appear to seal in slot - seal does not fit. Used silicon around the large gap just to rule it out. Car still does not start correctly. -Rechecked all post-MAF connections. Nothing easily identified as a vacuum leak. Nothing obvious missing or disconnected. -EcuTek detects no codes. AFR gauge is maxing out (showing 18:1, highest it can display). Maybe injectors? More on this later. Cancelled my scheduled tune tomorrow till I can figure this out. Huge thanks to both Madwi and Rusty for coming out, working with me on a huge project! They were both amazing! I learned a lot from them (and have some new tools to purchase on my list). Edit: Insult to injury - my Quickjack is locked in the air. I cannot reconnect my quick connect fittings so I'll have to call them later today to find out how to handle this.
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2014 370z Touring Sport Magma Red MT // BP Single Turbo 6467 // 63mm TB's // Z1 Ported Upper Mani // RJM Pedal // Zspeed Stage 3 Clutch // 526 WHP, 451 WTQ 2006 350z (Sold) // 1990 300zx (Sold) // 1985 300zx 2+2 (Sold) Last edited by JLarson; 02-24-2020 at 09:22 AM. |
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