What was found
AT 10,000, CLIMBING IN CLIMB, POWER LEFT ENGINE FUEL FLOW GOT HIGH AND EGT YELLOW. RAN QRH AND RETURNED TO AIRPORT. ONLY REASON ENGINE DID NOT GO INTO RED EGT IS PILOT ACTION. REMOVED AND REPLACED THE NR 1 ENG P1 PROBE IAW AMM 73-21-04-4, OPS NORMAL IAW 30-34-00-5.