Download MIL Comes On With DTCs P0171/P0172 ’01 Honda Accord – 1. Locate and identify the three vacuum ports on the intake manifold. 2. Disconnect and discard the vacuum hose that connects the fuel pressure regulator to vacuum port C. 3. Plug vacuum port C with the cap from the tube kit. 4. Replace the fuel pressure regulator. Refer to page 11-113 of the 1998-00 Accord Service Manual. 5. Install the new vacuum hose kit using one of the following procedures. M/T WITH CRUISE CONTROL 1. Remove and discard the cap from vacuum port A. 2. Connect the short vacuum hose to vacuum port A. 3. Anchor the long vacuum hose by attaching it to the rear intake air duct clip and to the cruise control hose. 4. Route the new vacuum hose to the fuel pressure regulator. Attach the hose to the three rear clips on the engine wire harness cover. A/T WITH CRUISE CONTROL 1. Remove and discard the vacuum hose from vacuum port A. This hose supplies vacuum to the rear engine mount control solenoid. 2. Connect the short vacuum hose from the top of the Y fitting to vacuum port A. 3. Connect the hose from the bottom of the Y fitting onto the engine mount control solenoid.