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Thread: Help with X8 Holden ute

  1. 03-17-2022 #1
    PAL066
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    Help with X8 Holden ute

    Hi,
    we have been trying to get this ute running as it should originally we started out buy trying to change out CPS sensor and didnt have any luck wit a new unit but we finally got it to run with another second hand CPS,
    Today changed spark plugs and fixed up some wiring but are a a loss as to why it wont even pull the skin of a rice pudding i will post some files, any help will be greatly appreciated there is one file of just bring engine up on stall and missing badly.Cross 8 Original 220311.hpt220317 Drive Plugs, MAF wires 1.hpl220317 Drive Plugs, MAF wires 2.hpl220317 Holding Brake Missing extra info.hpl
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  2. 03-17-2022 #2
    5FDP
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    It's very lean. What is your fuel pressure looking like?

    You didn't say if this was stock or not but that VE table has fuel removed from it too. Also those timing tables are terrible looking. Plus your Power Enrichment EQ ratio is super lean. Like you are asking for basically 14.0 AFR at full throttle when you need to be asking for 12.5ish.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.
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  3. 03-17-2022 #3
    PAL066
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    Sorry yes it is stock as far as we know
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