One problem related to engine knocking noise has been reported for the 2003 Toyota Tacoma. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Tacoma based on all problems reported for the 2003 Tacoma.
Vehicle has a history of problems that the dealer cannot determine the causes. Vehicle does not properly shift into gear, has a rough idle, and a knocking noise in the engine. Dealer could not duplicate the problems because they were intermittent.