Q: How to replace the fuel pressure pulsation damper on Toyota Tacoma?
A: Depressurize fuel system and disconnect battery's negative cable. V6 MODELSRemove engine cover.Detach fuel pump pulsator from fuel rail by removing retaining clip.Replace old 0-ring on pulsator with a new one, lubricate with clean engine oil.Reinstall in reverse order. FOUR-CYLINDER MODELSDisconnect fuel supply line from fuel rail.Remove pulsator mounting bolts.Discard old 0-ring, replace with a new one, lubricate with clean engine oil.Reinstall in reverse order, ensuring pulsator bolts are properly torqued.