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  1. M

    Replacing lower intake gaskset

    just surfing the forum and thought I'd post this link which helped me do the job a few months back. glad the original poster got it worked out. just adding a link for future reference. http://www.market-place.com/intake/intake.htm many similar suggestions as already touched upon above...
  2. M

    throttle being held abnormally high - strange...

    replaced the IAC module and all is well with the car again. slows down predictably when I take my foot off the accellerator. most parts I found online were about 100-117 bucks. found one on rockauto for 55. 10 bucks shipping later, I was good to go. intall took 10 minutes with a little...
  3. M

    99 Tahoe Maintains speeds even when throttle is "returned"

    replace the iac module on the intake. I just had these same symptoms and after alot of searching and some advice on this forum, I replaced the iac. had trouble slowing her down, especially when the a/c kicked in. 10 minutes and 67 dollars later, my '99 runs smoothly and predictably again.
  4. M

    throttle being held abnormally high - strange...

    awesome. thanks for the ideas. I'll go through the list of things one at a time and post back how it goes.
  5. M

    throttle being held abnormally high - strange...

    idle is smooth and sits around 600 rpm. really nice actually. accellerator pedal seems to be smooth with no hanging. with my limited background, I was presuming something on the intake manifold was opening up to increase airflow and rpm, and then not closing-off. man, when the ac...
  6. M

    throttle being held abnormally high - strange...

    in town or highway speeds, if I take my foot off of the throttle I would expect the car to slow down at a consistent rate, downshift at some tapered rate, and if I had enough time/room the car would eventually downshift until it hits the creep-speed, maybe a few mph. however with some...

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