Bobcat Engine PSI4.3L Service Manual DSB4460E00

Description

Contents:
Index
Chapter 1. General Information
The Specification of SI Engine PSI 4.3
PSI 4.3L LP Engine Performanc
PSI 4.3L Certified LP Engine Emission – EPA
Certification Level
PSI 4.3L LP Engine Power & Torque Curv
PSI 4.3L LP Engine BSFC Curve
Engine Mechanical – 4.3
Fastener Tightening Specification
Engine Mechanical Specification
Tier 3 Certified Mobile Engine Maintenance
Requirement
Chapter 2. Engine Mechanical
Diagnostic Information and Procedure
Base Engine Misfire Diagnosi
Engine Compression Tes
Engine Noise Diagnosi
Valve Train Diagnosi
Oil Consumptio
Oil Pressure Diagnosis and Testin
Symptoms – Drive Bel
Drive Belt Chirping Diagnosi
Drive Belt Squeal Diagnosi
Drive Belt Whine Diagnosi
Drive Belt Rumbling Diagnosi
Drive Belt Vibration Diagnosi
Drive Belt Falls Off Diagnosi
Drive Belt Excessive Wear Diagnosi
Drive Belt Tensioner Diagnosi
Engine Identificatio
Special Tools and Equipmen
Draining Fluids and Oil Filter Remova
Engine Flywheel Remova
Clutch Pilot Bearing Remova
Exhaust Manifold Removal (Left
Exhaust Manifold Removal (Right
Oil Level Indicator and Tube Remova
Water Pump Remova
Crankshaft Balancer Remova
Valve Rocker Arm Cover Removal (Left
Valve Rocker Arm Cover Removal (Right
Distributor Remova
Intake Manifold Remova
Valve Rocker Arm and Push Rod Remova
Cylinder Head Removal (Left
Cylinder Head Removal (Right
Valve Lifter Remova
Oil Pan Remova
Oil Pump Remova
Engine Front Cover Remova
Timing Chain and Sprockets Remova
Balance Shaft Remova
Camshaft Remova
Piston, Connecting Rod, and Bearing Removal
Crankshaft Rear Oil Seal and Housing Removal
Crankshaft and Bearings Remova
Engine Block Plug Remova
Engine Block Clean and Inspec
Cylinder Boring and Honin
Boring Procedur
Piston and Connecting Rod Disassembl
Piston, Connecting Rod and Bearings Clean/
Inspec
Piston Selectio
Piston and Connecting Rod Assembl
Crankshaft and Bearings Clean and Inspect
Measuring Crankshaft Bearing Clearances
Micrometer Method for Crankshaft Bearings
Measuring Connecting Rod Bearing Clearances
(J 43690 Method
Measuring Crankshaft Bearing Clearances
(Plastic Gauge Method
Measuring Connecting Rod Bearing Side
Clearanc
Crankshaft Balancer Clean and Inspec
Engine Flywheel Clean and Inspec
Camshaft and Bearings Clean and Inspect
Camshaft Bearing Remova
Camshaft Bearing Installatio
Balance Shaft Bearing and/or Bushing Removal
Balance Shaft Clean and Inspec
Balance Shaft Bearing and/or Bushing
Installatio
Timing Chain and Sprockets Clean and Inspect
Valve Rocker Arm and Push Rods Clean and
Inspec
Valve Lifters and Guides Clean and Inspect
Cylinder Head Disassembl
Cylinder Head Clean and Inspec
Valve Guide Reaming/Valve and Seat Grinding
Cylinder Head Assembl
Oil Pump Disassembl
Oil Pump Clean and Inspec
Oil Pump Assembl
Valve Rocker Arm Cover Clean and Inspect
Oil Pan Clean and Inspec
Exhaust Manifold Clean and Inspec
Water Pump Clean and Inspec
Thread Repai
Service Prior to Assembl
Engine Block Plug Installatio
Crankshaft and Bearings Installatio
Specificatio
Crankshaft Rear Oil Seal and Housing
Installatio
Piston, Connecting Rod and Bearing Installation
Camshaft Installatio
Balance Shaft Installatio
Timing Chain and Sprockets Installatio
Engine Front Cover Installatio
Oil Pump Installatio
Oil Pan Installatio
Crankshaft Balancer Installatio
Valve Lifter Installatio
Cylinder Head Installation (Left
Cylinder Head Installation (Right
Valve Rocker Arm and Push Rod Installation
Intake Manifold Installatio
Distributor Installatio
Valve Rocker Arm Cover Installation (Left)
Valve Rocker Arm Cover Installation (Right)
Oil Level Indicator and Tube Installatio
Water Pump Installatio
Exhaust Manifold Installation (Left
Exhaust Manifold Installation (Right
Clutch Pilot Bearing Installatio
Engine Flywheel Installatio
Engine Set-Up and Testin
Description and Operatio
Engine Component Descriptio
Drive Belt System Descriptio
New Product Informatio
Lubricatio
Cleanliness and Car
Replacing Engine Gasket
Use of RTV and Anaerobic Seale
Separating Part
Tools and Equipmen
General Informatio
Introductio
Servicing Your Emissions Certified Engine
Fuel Qualit
Fuel System Caution
Warnings, Cautions and Note
Proper Use of This Service Manual, Tools and
Equipmen
Maintenanc
Serpentine Belt Syste
Cooling Syste
Coolan
Engine Electrical System Maintenanc
Engine Crankcase Oi
Oil Recommendatio
Synthetic Oil
Checking/Filling Engine Oil Leve
Changing the Engine Oi
Fuel System Inspection and Maintenanc
Gasoline and LPG Fuel Syste
Inspection and Maintenance of the Fuel Storage
Cylinde
Inspection and Replacement of the Fuel Filter
Replacing the Fuel Filter
Direct Electronic Pressure Regulator (DEPR)
Maintenance and Inspectio
Checking/Draining Oil Build-Up in the Vaporizer
Regulato
Air Fuel Mixer/Throttle Control Device
Maintenance and Inspectio
Exhaust System and Catalytic Converter
Inspection and Maintenanc
Chapter 3. Fuel System
LPG Fuel Syste
Mobile Engine LPG Fuel System Schematic
Description and Operation of the Fuel Systems
LP Fuel Syste
Service Line
Fuel Filte
Electric Fuel Lock-Off Valv
Direct Electronic Pressure Regulator (DEPR)
Air Fuel Mixe
Light Duty 2-Stage Vaporize
Electronic Throttle Control Device (ETC
Three-Way Catalytic Converte
Engine Control Modul
Heated Exhaust Gas Oxygen Sensor
TMAP Senso
Coolant Temperature Senso
Oil Pressure Sende
LD 2-Stage Regulator Nominal Pressure
Specification
Fuel System Diagnosi
Fuel System Descriptio
Diagnostic Aid
Test Descriptio
How the Correction Factors Wor
Determining Total Fuel Correctio
Normal & Abnormal Fuel Correctio
Fuel System Symptom Diagnostic
Intermitten
No Star
Hard Star
Cuts Out, Misse
Hesitation, Sag, Stumbl
Backfir
Lack of Power, Sluggishness, or Sponginess
Rough, Unstable, or Incorrect Idle, Stalling
Electrical Sectio
4.3L LP
Diagnostic Scan Tool (DST
Content
DST Installation Instruction
Password Logi
Password Dialog Box Function
Connecting the PC to the Engine Wir
DST Service Page
DBW Test Mod
External Power Tes
Plot/Log Menu Function
DST Plot Interface Function
Snapshot Hot Key Function
DST Logge
Malfunction Indicator Lamp (MIL
Diagnostic Trouble Codes (DTC
DLC Communication Erro
Blink Code Functio
Intermittent Problem
Engine Wire Harness Repai
ON-Vehicle Service Wire Harness Repai
Connectors and Terminal
Micro-Pac
Metri-Pac
Weather-Pac
Weather-Pack Terminal Repai
Diagnostic Trouble Codes (DTCs
Malfunction Indicator Lamp (MIL) Operation
Diagnostic Trouble Code (DTC) Chart – Sorted
By DTC # (1 Of 4
Diagnostic Trouble Code (DTC) Chart – Sorted
By DTC # (2 Of 4
Diagnostic Trouble Code (DTC) Chart – Sorted
By DTC # (3 Of 4
Diagnostic Trouble Code (DTC) Chart – Sorted
By DTC # (4 Of 4
Diagnostic Trouble Code (DTC) Chart – Sorted
By SPN:FMI (1 Of 4
Diagnostic Trouble Code (DTC) Chart – Sorted
By SPN:FMI (2 Of 4
Diagnostic Trouble Code (DTC) Chart – Sorted
By SPN:FMI (3 Of 4
Diagnostic Trouble Code (DTC) Chart – Sorted
By SPN:FMI (4 Of 4
OBD System Check/MIL (Malfunction Indicator
Lamp
OBD System Chec
Starter Circuit System Diagnostic
HVS Ignition Control System Diagnostic
Ignition Control System Diagnostic Char
DTC 11 – Intake Cam / Distributor Position Error
(SPN 520800:FMI 7
DTC 107-MAP Low Voltage (SPN 106:FMI 4)
DTC 108-MAP High Pressure (SPN 106:FMI 16)
DTC 111-IAT Higher Than Expected 1 (SPN
105:FMI 15
DTC 112-Iat Low Voltage (SPN 105:FMI 4)
DTC 113-Iat High Voltage (SPN 105:FMI 3)
DTC 116-Ect Higher Than Expected 1 (SPN
110:FMI 15
DTC 117-Ect/Cht Low Voltage (SPN 110:FMI 4)
DTC 118-Ect/Cht High Voltage (SPN 110:FMI 3)
DTC 121-TPS 1 Lower Than TPS 2 (TPS
51:FMI 1
DTC 122-TPS 1 Low Voltage (TPS 51:FMI 4)
DTC 123-TPS 1 High Voltage (TPS 51:FMI 3)
DTC 127-IAT Higher Than Expected 2 (TPS
105:FMI 0
DTC 129-BP Low Pressure (TPS 108: FMI 1)
DTC 134-EGO 1 Pre Cat Open/Lazy (TPS
724:FMI 10
DTC 154-EGO 2 Pre Cat Open/Lazy (TPS
520208:FMI 10
DTC 217-ECT Higher Than Expected 2 (TPS
110:FMI 0
DTC 219-Max Govern Speed Override (TPS
515:FMI 15
DTC 221-TPS 1 Higher Than TPS 2 (TPS
51:FMI 0
DTC 222-TPS 2 Signal Voltage Low (TPS
520251:FMI 4
DTC 223-TPS 2 Signal Voltage High (TPS
520251:FMI 3
DTC 336-Crank Sync Noise (TPS 636:FMI 2)
DTC 337-Crank Loss (TPS 636:FMI 4
DTC 341-Camshaft Sync Noise (TPS 723:FMI
2
DTC 342-Camshaft Sensor Loss (TPS 723:FMI
4
DTC-359 Fuel Run-Out Longer Than Expected
(SPN 1239:FMI 7
DTC 502 – Loss of Road Speed (SPN 84:FM
DTC 520-Oil Pressure Low Stage 1 (TPS
100:FMI 18
DTC 522- Oil Pressure Sender Low Voltage
(SPN 100:FMI 4
DTC 523- Oil Pressure Sender High Voltage
(SPN 100:FMI 3
DTC 524-Oil Pressure Low Stage 2 (TPS
100:FMI 1
DTC 562-System Voltage Low (TPS 168:FMI
17
DTC 563-System Voltage High (TPS 168:FMI
15
DTC 601-Flash Checksum Invalid (TPS 628:FMI
13
DTC 604-Ram Failure (TPS 630:FMI 12
DTC 606-Cop Failure (TPS 629:FMI 31
DTC 642-External 5 Volt 1 Reference Low (TPS
1079:FMI 4
DTC 643-External 5 Volt 1 Reference High (TPS
1079:FMI 3
DTC 650-MIL Control Open (TPS:1213:FMI 5)
DTC 652-External 5 Volt 2 Reference Low (SPN
1080:FMI 4
DTC 653-External 5 Volt 2 Reference High
(SPN 1080:FMI 3
DTC 685-Relay Coil Open (SPN 1485:FMI 5)
DTC 686-Relay Control Ground Short (SPN
1485:FMI 4
DTC 687-Relay Coil Short to Power (SPN
1485:FMI 3
DTC 1111-Fuel Rev Limit (SPN 515:FMI 16)
DTC 1112-Spark Rev Limit (SPN 515: FMI 0)
DTC 1121 FPP 1 and 2 Redundancy Lost (SPN
91: FMI 31
DTC 1151-Closed Loop Multiplier High LPG
(SPN 520206:FMI 0
DTC 1152-Closed Loop Multiplier Low LPG
(SPN 520206:FMI 1
DTC 1161-Adaptive Learn High LPG (SPN
520202:FMI 0
DTC 1162-Adaptive Learn Low (LPG) (SPN
520202:FMI 1
DTC 1162-Adaptive Learn Low LP
DTC 1165-LPG Catalyst Monitor (SPN
520213:FMI 10
DTC 1171-EPR Pressure Higher Than Expected
(SPN 520260:FMI 0
DTC 1172-EPR Pressure Lower Than Expected
(SPN 520260:FMI 1
DTC 1173-EPR Communication Lost (SPN
520260:FMI 31
DTC 1174-EPR Supply Voltage High (SPN
520260:FMI 3
DTC 1175-EPR Supply Voltage Low (SPN
520260:FMI 4
DTC 1176-EPR Internal Actuator Fault (SPN
520260:FMI 12
DTC 1177-EPR internal Circuitry Fault (SPN
520260:FMI 12
DTC 1178-EPR Internal Communication Error
(SPN 520260:FMI 12
DTC 1511 – Auxiliary Analog PU 1 High Voltage
(SPN 520216:FMI 3
DTC 1552: AUX digital 1 low voltage (SPN
520222: FMI 04
DTC 1612-RTI 1 Loss (SPN 629:FMI 31
DTC 1613-RTI 2 Loss (SPN 629:FMI 31
DTC 1614-RTI 3 Loss (SPN 629:FMI 31
DTC 1615-A/D Loss (SPN 629:FMI 31
DTC 1616-Invalid Interrupt (SPN 629:FM
DTC 1625 – J1939 Shutdown Request (SPN
1384:FMI 31
DTC 1626-CAN Tx Failur
DTC 1627-CAN Rx Failure (SPN 639:FMI 12)
DTC 1628-CAN Address Conflict (SPN 639:FMI
13
DTC 1644-MIL Control Ground Short (SPN
1213:FMI 4
DTC 1645-MIL Control Ground Short To Power
(SPN 1213:FMI 3
DTC 2111-Unable To Reach Lower TPS (SPN
51:FMI 7
DTC 2112-Unable To Reach Higher TPS (SPN
51:FMI 7
DTC 2121-FPP 1 Lower Than FPP 2 (SPN
91:FMI 18
DTC 2122-FPP 1 High Voltage (SPN 91:FMI 3)
DTC 2123-FPP 1 Low Voltage (SPN 91:FMI 4)
DTC 2126-FPP 1 Higher Than FPP 2 (SPN
91:FMI 16
DTC 2127-FPP 2 Low Voltage (SPN 29:FMI 4)
DTC 2128-FPP 2 High Voltage (SPN 29:FMI 3)
DTC 2135: TPS1/2 Simultaneous Voltages Outof-range (SPN 51:FMI 31
DTC 2229-BP High Pressure (SPN 108:FMI 0)
Definition
Electric schematic