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choke

  1. Lower RPM than expected in cold weather

    4.7L PowerTech V8 Specific Topics
    It's gotten colder in TN and when I start my 2005 4.7L I would expect the choke to close and the RPMs to be a bit higher than if the truck were running at normal operating temp. It starts just fine but idles as if it were warm already. I replace the TPS sensor and MAP sensor this summer to fix...
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