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Backstory: I have an on issue with my VG30DETT. It's a swap into another car (510) and I am running a standalone ECU so I can eliminate the MAF due to packaging constraints. It plus into the OEM harness so all stock sensors are used. The engine will fire up and run, but 1. The engine never idles down gradually, it'll just idle at 2500rpm until warmed to and then 2. once it's warmed up, the idle will hunt between 800-1200rpm as if someone is playing with the throttle. Also, if I give it just 1% throttle, the RPM's jump to about 2700RPM, and there is no in-between. Ideas anyone?
Dave Lum '71 510 w/ VG30DETT www.datsuns.com |
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