I have a 91 toyota pickup. I just had the engine and tranny proffesionaly rebuilt about 500 miles ago. Initially it seems to idle a little high and run a little hot but i know thats to be expected from a fresh rebuilt. The thing that is my main concern is when accelerating, around 2500 rpms it sputters. It doesnt seem to matter what gear im in and it only happens while accelerating. I ve tried injector cleaner and what not and that seems to have no effect. Anybody have any idea?
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Re: 91 Toyota 22re sputters around 2500rpms
Your throttle position sensor might me bad or out of adjustment. if it is out of adjustment then it can misfire all the way up to 3500 rpm. i had a friend that had a miss fire at 2500 rpm. i adjusted the tpss right and the misfire went away. Check for engine codes by jumping TE1 and E1. Your fuel filter may be dirty and restricting fuel to your injectors. have your fuel pressure checked.
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Sounds like it could be your timing chain. There is an automatic chain tensioner and over time when the chain gets a lot of miles on it the plastic guides and chain have to be replaced. Typically around 125,000 miles or more. You can remove the valve cover and look down the front of the engine to verify this. Look to see if the plastic guides are still in place and that the chain is not rubbing a hole in the front timing chain cover. Let us know your findings.
May have a plugged catalitic conveter or muffler. So do you know which plug is #1? the very front one also make sure that you start with the number one plug slot it shold be marked with 1 then go around it, you may have damaged the plug wires when pulling them off. And Buy OEM for your toyota there are plugs that just won't run in the toyota engines also set the gap on the plugs they are never right from the store.
If you have a 22r carbed then all 22r carbed engines from 1981-1995 will interchange. You may need to use sensor out of your old engine however. The 20r,22r,22re,22ret all have the same mounts and tranny bolt patterns. how ever there are lot of differences. you can swap from a 22r to a 22re but you must also swap the entire vehical wiring harness to do it right. if you have a 3.0L i would keep the same engine. some people have swap to the tacoma 3.6L but that is a expensive swap not exsactly bolt on so to say. If you have a 22re then stay with the 1986-1987 22re because the newer 22re use different computers, electronics ,sensors and more.. Same story with the 22ret. I hoped this helped.