I have a 2005 Chevy Colorado 3.5 drives fine for anywhere between 10 minutes and an hour and then sputters drives fine and then decides to stall out completely presenting error code p0201 p0202 p0203 p0204 p0205 injector open circuit. I have changed out and tested all camshaft position sensor solenoid crankshaft position sensor have ohm out injectors tested them with a test light but since this problem is only intermittent very difficult to test have even brought it to dealership they replaced and reprogram PCM with no success. I had scanner hooked up at the time of stall and was recording right before stall the short-term fuel trim went from -5 to positive 18, And in the next frame fuel system 1 opened, The mass airflow sensor 1 from 32 to 7 manifold pressure dropped from 74 to 21 as well. Have already check grounds but about to go check them again. If anyone fixes this they get 20 bucks haha about to light it on fire.
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