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Thread: MAP sensor and idle questions

  1. #1
    Tuner in Training
    Join Date
    Feb 2022
    Location
    Colorado
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    32

    MAP sensor and idle questions

    Hey everyone,

    Can I ask you guys to look through this log? I was using an SCT unit with tuning from Innovative but once I changed injectors we're fighting with a high idle, 1000rpm.. I don't get those same results with this tuning. In fact, I get really good results.. I'm surprised.

    So my questions are... is the map sensor only 2bar? and with plugged spill port injectors, how do you sort out the rolling idle issue?

    If I chart the Map sensor I'll see it disappear around 24psi I'm going to make an educated guess this is a two bar sensor and once it gets near it's limit it quits? It doesn't seem to do it anywhere else.. I don't think it's the cause of this idle issue but I wanted to see what you thought.

    BTW- Fresh engine with 1500miles, balanced rotating assy, stage 2 colt cam, BW 362 SXE turbo. 155/30 injectors.

    Thanks in advance..
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  2. #2
    Banned
    Join Date
    Jan 2020
    Location
    Arlington WA
    Posts
    250
    did you change the voltage reading and the transfer function settings?

  3. #3
    Tuner in Training
    Join Date
    Feb 2022
    Location
    Colorado
    Posts
    32
    Quote Originally Posted by Powerstrokecustoms View Post
    did you change the voltage reading and the transfer function settings?
    No I haven't done that.