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Q: Vehilce turns over(has spark) but will not start.New fuel pump. on 2002 Chevrolet Avalanche 1500

could it be anti theft system shutting vehicle down.
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THERE IS A SMALL SHREDER VALVE ON YOUR FUEL RAIL PUSH IT IN WHILE SOMEONE TURNS ON THE KEY. ( WATCH YOUR EYES) THEN LISTEN FOR FUEL PUMP RUNNING FOR APPROX 3 SECS. REMOVE GAS CAP AND PUT YOUR EAR TO THE FILL SPOUT.THESE ARE 2 GOOD TEST IF YOU DONT HAVE A FUEL GAUGE. YES IT COULD BE YOUR ALARM IF ITS CONNECTED TO YOUR FUEL SYSTEM,MOST ALARMS ARE CONNECTED TO YOUR STARTER CIRCUIT.
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