6E-42
ENGINE AND EMISSION CONTROL SYSTEM
TABLE B-3 FUEL PRESSURE CHECK
SYSTEM DIAGRAM
1. Fuel pump
2. Fuel filter
3. Fuel feed line
4. Fuel pressure regulator
5. Vacuum passage for fuel pressure regulator
6. Fuel return line
SYSTEM DESCRIPTION
Fuel pressure regulator keeps the fuel pressure applied to injector 290kPa higher than that in intake manifold at
all times.
INSPECTION
NOTE:
Before using following table, check to make sure that battery voltage is higher than 11V. If battery voltage
is low, pressure becomes lower than specification even if fuel pump and line are in good condition.
STEP
ACTION
YES
NO
1
Did you perform “ENGINE DIAGNOSTIC FLOW
TABLE” in Section 6?
Go to Step 2.
Go to “ENGINE DIAG-
NOSTIC FLOW TABLE”.
2
1) Install fuel pressure gauge. Refer to “Fuel Pres-
sure Inspection” in this section.
2) Turn ignition switch ON position, leaving engine
OFF. After 3 seconds turn ignition switch OFF
position. Repeat this 3 or 4 times and observe
fuel pressure with fuel pump running.
Is fuel pressure indicated within 270 – 310 kPa
(2.7 – 3.1 kg / cm
2
, 38.4 – 44.0 psi)?
Go to Step 3.
Go to Step 6.
3
1) Turn ignition switch OFF position.
2) Observe fuel pressure gauge for one minute
after fuel pump stops.
Does fuel pressure hold at or above 200 kPa
(2.0
kg / cm
2
, 28.4 psi)?
Go to Step 4.
Fuel leaks from injector,
fuel pressure regulator
or fuel pump.
4
1) Start engine to normal operating temperature.
2) Keep it running at specified idle speed.
Is fuel pressure indicated within 210 – 260 kPa
(2.1 – 2.6 kg / cm
2
, 29.8 – 37.0 psi)?
Go to Step 5.
Faulty vacuum passage
from intake manifold to
fuel pressure regulator.
Faulty fuel pressure reg-
ulator.
Содержание GA413
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Страница 277: ...ANTILOCK BRAKE SYSTEM ABS OPTIONAL 5E 23 Fig 1 Fig 2 Fig 3 Fig 5 Fig 4 1 ABS hydraulic unit control module connector...
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Страница 676: ...9 40 BODY SERVICE...
Страница 752: ...Prepared by Overseas Service Department 1st Ed February 1999 2nd Ed October 2001 Printed in Japan Printing 762...
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Страница 870: ...6 94 ENGINE GENERAL INFORMATION AND DIAGNOSIS GA413 supple Fig 1 for Step 2 Fig 2 for Step 3 Fig 3 for Step 4...
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Страница 994: ...BODY SERVICE 9 7 GA413 supple RUST PROOF TREATMENT AREA...
Страница 995: ...9 8 BODY SERVICE GA413 supple...
Страница 998: ...BODY SERVICE 9 11 GA413 supple UNDERBODY DIMENSIONS For van model...
Страница 1000: ...BODY SERVICE 9 13 GA413 supple For truck model...
Страница 1010: ...Prepared by Overseas Service Department 1st Ed October 2000 Printed in Japan Printing October 2000 262...
Страница 1130: ...7E 20 DIFFERENTIAL FRONT 09944 66020 Bearing installer 09951 16060 Lower arm bush remover...
Страница 1131: ...Prepared by Overseas Service Department 1st Ed March 2000 2nd Ed March 2001 Printed in Japan Printing April 2001 122...
Страница 1132: ...SUPPLEMENTARY SERVICE MANUAL FOR 4WD MODEL SUPPLEMENTARY SERVICE MANUAL 99501 76A01 01E 99501 76A01 01E I 20mm...
Страница 1141: ...Tables des mati res K Connecteur 8A 7 4 L Connecteur 8A 7 5 O Connecteur 8A 7 6 Q Connecteur 8A 7 6 Glossaire 8A 8 1...
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Страница 1246: ...Prepared by 1st Ed July 2002 Printed in Japan 114...