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eng fan always wide open

This is a discussion on eng fan always wide open within the General Help forums, part of the LSx Technical Help Section category; Eng fan always on wide open since i got headers and dyno tune. Is this good did he program it ...

  1. #1
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    eng fan always wide open

    Eng fan always on wide open since i got headers and dyno tune.
    Is this good did he program it to do this.

  2. #2
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    You mean your high speed fans are on all the time no matter what temp? Low/high speeds are set to come on/go off at set temps. Don't know why a tuner would just program them on high all the time - give them a call and ask. Nothing else going on like SES, overheating, etc.?

  3. #3
    Senior Member SeVeReDiStOrTiOn's Avatar
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    I'd definately give them a call like NBM said. You'll burn out your fans a lot faster if high speed is always on. I have a stock 195 stat and I set mine to come on at low/high on/off 208/197 and 217/207....the fans cycle on and off great at those temps.

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