I am looking at a 89 truck with a 22re and a 5 speed that after running for about 45 min will shut off, then after it sits and cools down will start back up and run great for another 45 min or so and then will shut off again. Any ideas? I have not worked with a 22re before, so forgive me.
89 Truck shutting off after 45 min.
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if you try to drive it does it shut down sooner?
That's kind of wierd. It almost sounds like a break in a wire somewhere that expands after it gets hot and causes the failure. When it dies does it sputter and die or just shut down? After it dies does it crank and not fire? If so you need to find out why.
When it comes down to the basics like not starting it's either fuel or spark.
When it comes down to the basics like not starting it's either fuel or spark.
i was thinking it could be running off the cold start injector and once that circuit cut out the other injectors are not firing, and that could be the injector ground wire not hooked up.
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Cold start should only last 5-10 minutes unless the timing mechanism is buggered.... I'd say it's heat related, check all the ground connections you can find! Toys don't like bad grounds... 
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Thanks for the ideas guys, I am looking at this truck as a trade for a VW buggy I have and am just trying to figure out if it is worth it or not. What would you say it is worth in that condition? The body is in fair shape for a WI truck (some rust) and it has 160,000 miles on it and the tires are ok. No mods at all.
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Value with a mystery problem, I'd say somewhere 1500-2000 depending on how much rust, and overall condition. That's pretty low miles for an 89.... Also, you can check the trouble codes, but I'd only do it if the owner isn't around, you don't want to fix his truck and jack the price up...
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Could be an overheating ign coil of a dodgy fuel pump.
~John
~John
When it dies, have you checked for the Big 3: spark, fuel, and air? If there's no fuel, try jumpering the Fp and B+ terminals in the Diagnostic connector to force the fuel pump to run, then turn the key to ON and listen for the faint humm of the pump running inside the tank.
I'm also thinking it's the coil, an intermittent heat-related thing. Check to see if the coil has been replaced with an aftermarket one, this can cause the ignitor to get really hot.
I'm also thinking it's the coil, an intermittent heat-related thing. Check to see if the coil has been replaced with an aftermarket one, this can cause the ignitor to get really hot.
just an odd thought.
did it ever have a remote start installed? maybe the time out on it.
did it ever have a remote start installed? maybe the time out on it.
If it were an in-line electric pump I could see this happening. But the OEM pump is sitting submerged in a big tank of cool gasoline. How can it "get hot"?
Sounds like an old tired fuel pump, gets hot, stops working.