Chevrolet Impala owners have reported 1 problem related to oil pump (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Impala based on all problems reported for the Impala.
Valve broke off in engine causing catastrophic engine failure. 60,400 miles on engine at time. Oil reservoir was full, oil pump was operational and filter had not collapsed. Engine coolant was full.
See
all problems of the 2002 Chevrolet Impala
🔎.