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Originally Posted by SupraSport
I think I'll get a TPS from the dealer tommorow. Hopefully it will fix the problem.
Would a bad tps explain the timing being at 20-25 BTDC?
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Yes. When I inherited the low idle, I also had a setting of 25 BTDC. These were the only two problems I've discovered on my one month old '94 4Runner.
Btw, I bought a used TPS on Ebay for $18 (shipped) which I used to understand how the thing worked. Also got the connector with 1" wire on it which makes a neat test connector. On the 3.0 it is a bit of a pain to get at the TPS. The TPS I got turned out to be good, as was the one on the truck. Just misadjusted. But I'll keep the one I bought for backup.
Good luck.