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I was told that these trucks are notorious for the lines that come out of the top of the fuel tank that are runing in the tank to the pump are notorious for going bad(RUST). I have also found in forums that the throttle position sensor could be causing it, the mass airflow sensor, theegr valve ect. And the best part is that if the sensor is half bad and only giving false readings it will not show up in the ecm. The sensor has to go completley bad to cause the ecm to pick up the code. Dirty screen in the fuel tank, dirty fuel filter, fuel filter instaled backwards ect. There is supposed to be a switch next to the distributor that will shut the fuel pump down if there is not sufficient oil preasure. It could be going bad, and then there is the electronic module in the distibutor, and vacum leaks. There is a long list, if I fix my truck sometime soon I will let you know..... tbird!!!!!

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Q: 95 Chevy k1500 jumping from closedloop to openloop after engine is warmed up making it run rich and surge and stall out?
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