Downloaded from www.Manualslib.com manuals search engine 6E-24 ENGINE AND EMISSION CONTROL SYSTEM
3) Fuel pressure should be felt at fuel feed hose (1) for 2 sec-
onds after ignition switch ON.
If fuel pressure is not felt, advance to “Diagnostic Flow Table
B-3” in Section 6.
REMOVAL
Remove fuel tank from body according to procedure described in
“Fuel Tank” of Section 6C and remove fuel pump from fuel tank.
INSPECTION
Check fuel pump filter for evidence of dirt and contamination. If
present, clean and check for presence of dirt in fuel tank.
INSTALLATION
1) Install fuel pump to its bracket.
2) Install fuel pump to fuel tank and then install fuel tank to
body according to procedure described in “Fuel Tank” of
Section 6C.
Fuel pressure regulator
ON-VEHICLE INSPECTION
Perform fuel pressure inspection according to procedure
described in “Fuel Pressure Inspection” of this section.
REMOVAL
1) Relieve fuel pressure according to procedure described on
“Fuel Pressure Relief Procedure” in Section 6.
2) Disconnect battery negative cable from battery.
3) Disconnect vacuum hose (1) from fuel pressure regulator
(2).
4) Remove fuel pressure regulator from fuel delivery pipe.
5) Disconnect fuel return hose (3) from fuel pressure regulator.
CAUTION:
A small amount of fuel may be released when it is from
delivery pipe.
Place a shop cloth under delivery pipe so that released
fuel is absorbed in it.
Downloaded from www.Manualslib.com manuals search engine ENGINE AND EMISSION CONTROL SYSTEM 6E-41
EVAP CANISTER INSPECTION
1) Check outside of EVAP canister visually.
2) Disconnect vacuum hoses from EVAP canister.
3) Check that there should be no restriction of flow through
purge pipe (1) and air pipe (2) when air is blown (4) into tank
pipe (3).
If any faulty condition is found in above inspection replace.
PCV system
PCV HOSE INSPECTION
Check hoses for connection, leakage, clog and deterioration.
Replace as necessary.
PCV VALVE INSPECTION
1) Disconnect PCV valve (1) from cylinder head cover and
install plug to head cover hole.
2) Run engine at idle.
3) Place your finger over end of PCV valve (1) to check for vac-
uum. If there is no vacuum, check for clogged valve.
Replace as necessary. WARNING:
DO NOT SUCK nozzles on EVAP canister. Fuel vapor
inside EVAP canister is harmful.
NOTE:
Be sure to check that there is no obstruction in PCV
valve or its hoses before checking IAC duty, for
obstructed PCV valve or hose hampers its accurate
adjustment.
