04 got doesn't downshift - Pontiac GTO Forum
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post #1 of 3 (permalink) Old 09-19-2014, 08:28 PM Thread Starter
 
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04 got doesn't downshift

at a dead stop car does not accelerate hard until it shift into the next gear.but when the tac control is off it drives fine. i toped off all guilds and changed the throttle control sensor.still having the same problems so help would be great.
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post #2 of 3 (permalink) Old 09-20-2014, 11:17 AM
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Interesting about the traction control. If that's the determining factor I'd suspect a wheel sensor although you should be getting a fault with that. I drive with mine off all the time so I wouldn't notice. A log of a scan might reveal what it is. That's the advantage of a tuning suite like EFIlive or HP Tuners.

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post #3 of 3 (permalink) Old 09-24-2014, 09:28 PM Thread Starter
 
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its not throwing a code thats the weird thing ill be buying a flash turner and slp exhaust I'm hoping once i flash tune it i can see a lil bite more of what the engine is doing on my computer when its connected... ill be buying the super chips vivid linq heard lots of good things
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