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Need help with 91 tbi suburban
long time no post. But i recently got a decent 91 suburban k1500 that surprisingly enough still has the tbi system intact. The problem that i am getting is a 1/4th-ish throttle hesitation, and SES light that resets every time i shut the truck down and start it back up. And the SES light seems to come on if i give it more than 1/4 throttle, like when i go on the interstate. And just today before getting home there was a rattle/knock/ping that would happen intermittently and go away if i let off the gas. How far off would i be if i was thinking that it could be the knock sensor giving me issues?
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