YH4
GRAND
VITARA
6-1-34
ENGINE (H25 ENGINE)
Condition
Possible Cause
Reference Item
Improper engine
idling or engine fails
to idle
Ignition system out of order.
Faulty spark plug
Faulty ignition coil with ignitor
Fuel system out of order.
Fuel pressure out of specification
Engine overheating.
Engine and emission control system
out of order.
Maladjusted TP sensor installation
angle if adjustable
Faulty idle air control system
Faulty evaporative emission control
system
Faulty EGR system
Faulty injector
Faulty ECT sensor, TP sensor or
MAF sensor
Faulty ECM (PCM)
Low compression
Others
Malfunctioning PCV valve
Spark plugs in Ignition System
section.
Ignition coil in Ignition System
section.
Diag. Flow Table B-3 in this section.
Refer to “Overheating” section.
TP sensor in Engine and Emission
Control System section.
DTC P0505 Diag. Flow Table in this
section.
EVAP control system in Engine and
Emission Control System section.
DTC P0400 Diag. Flow Table in this
section.
Fuel injection in Engine and Emission
Control System section.
ECT sensor, TP sensor or MAF
sensor in Engine and Emission
Control System section.
Inspection of ECM (PCM) and its
circuit in this section.
Previously outlined.
PCV system inspection in Engine and
Emission Control System section.
Engine hesitates
(Momentary lack of
response as the
accelerator is
depressed.
Can occur at all
vehicle speeds.
Usually most severe
when first trying to
make the vehicle move,
as from a stop sign.)
Ignition System out of order.
Spark plug faulty or plug gap as out of
adjustment
Fuel system out of order.
Fuel pressure out of specification
– Clogged fuel filter
– Faulty fuel pressure regulator
Clogged fuel filter, hose or pipe
Engine overheating
Engine and emission control system out
of order.
Faulty EGR system
Faulty injector
Faulty TP sensor, ECT sensor or MAF
sensor
Faulty ECM (PCM)
Low compression
Spark plugs in Ignition System
section.
Diag. Flow Table B-3 in this section.
Refer to “Overheating” section.
DTC P0440 Diag. Flow Table in this
section.
Fuel injector in Engine and Emission
Control System section.
TP sensor, ECT sensor or MAF
sensor in Engine and Emission
Control System section.
Inspection of ECM (PCM) and its
circuit in this section.
Previously outlined.
Содержание 2000 Grand Vitara SQ416
Страница 75: ...ENGINE DIAGNOSIS G16 J20 ENGINES 6 71 Fig 1 for Step 3...
Страница 179: ...6 1 68 ENGINE H25 ENGINE a Fig for STEP 2 3 a HO2S heater relay...
Страница 190: ...ENGINE H25 ENGINE 6 1 79 a Fig for STEP 2 3 a HO2S heater relay...
Страница 205: ...6 1 94 ENGINE H25 ENGINE Fig for STEP 4 1 Disconnected CMP sensor coupler 2 BI B wire terminal 3 Gr Y wire terminal...
Страница 541: ...6E1 4 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES G16 ENGINE...
Страница 542: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 5...
Страница 543: ...6E1 6 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES J20 ENGINE...
Страница 544: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 7...
Страница 549: ...Or W Bl G Bl Y C51 1 22 C51 1 23 C51 1 10 C51 1 11 6E1 12 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES...
Страница 552: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 15...
Страница 592: ...6E2 4 ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE...
Страница 593: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 5...
Страница 597: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 9...
Страница 661: ...IGNITION SYSTEM FOR J20 H25 ENGINES 6F2 13 INSTALLATION For installation reverse removal procedure...
Страница 723: ...6H 30 CHARGING SYSTEM 17 Make sure that rotor turns smoothly...
Страница 729: ...Prepared by Overseas Service Department 1st Ed April 2000 Printed in Japan Printing April 2000 736...