Quote:
Originally Posted by Car Pirate
2005 4runner SR5 V8. Awhile back i hydro locked my engine and blew it up, so I threw in a crate engine. Ever since it’s been throwing these codes which are random misfire, knock sensor high voltage bank 1 and system too lean bank 1. Any ideas? It smells like there’s excessive fuel but that might be because I don’t have a muffler. It won’t shift into 5th and is very slow to accelerate and the throttle lags in second gear.
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Really hard to say... sounds like could be a potential vacuum leak somewhere? That would definitely cause a lean issue and could be the cause of the misfire as well and knock. Could also be ignition system related as well but since you're picking up a lean code not very likely.
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