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241
VII. FUEL TEMPERATURE/PRESSURE
SENSOR
REMOVAL PROCEDURE
1. Relieve the LPG fuel system pressure. Refer
to
XVIII. LPG FUEL SYSTEM PRESSURE
RELIEF.
2. Disconnect the negative battery cable.
3. Locate the Fuel Temperature Sensor on the
fuel rail.
4. Remove the electrical connector from the
Sensor.
5. Unscrew the sensor from the Fuel Rail.
INSTALLATION PROCEDURE
1. Lubricate the O-ring on the Fuel Temperature
Sensor with a light coat of Vaseline or petro-
leum jelly. Do not contaminate the tip of the
sensor.
The HEGO is sensitive to silicone based
products and can become contaminated.
Avoid using silicone sealers/lubricants on
any fuel or exhaust related components.
2.
Install the sensor into the Fuel Rail
. Torque
to 6-7.5 ft. lbs. (8-10 Nm). DO NOT
EXCEED 7.5 ft. lbs. (10 Nm).
3. Reconnect the electrical connector to the Fuel
Temperature Sensor.
4. Reconnect the negative battery cable.
5. Open valve on the LPG tank.
6. Turn ignition key to ON and check for leaks at
the inlet and outlet
fi
ttings using a commercial
grade soapy solution or an electronic leak de-
tector. If leaks are detected make repairs.
7. Start the vehicle and let run until it reaches
normal operating temperature.
8. If a DTC code is found, refer to the Electrical
Section for further diagnosis.
VIII. ENGINE COOLANT TEMPERATURE
SENSOR (ECT)
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Drain the coolant.
3. Locate the ECT just below the thermostat
housing .
4. Remove electrical connector from the ECT.
The coolant may be hot. Use caution when
removing hose(s) to prevent contact.
INSTALLATION PROCEDURE
1. Apply a light coat of Loctite 567 or equivalent
pipe thread sealant on the threads of the ECT.
2.
Install the ECT into the engine
and torque
until tight.
3. Connect the ECT electrical connector.
4. Refill the cooling system.
5. Reconnect the negative battery cable.
6. Start the vehicle and let run until it reaches
normal operating temperature.
7. If a DTC code is found, refer to the Electrical
Section for further diagnosis.
8. Allow the engine to cool, check coolant level
and add coolant if necessary.
Содержание 3.0L GM
Страница 4: ...4 ...
Страница 5: ...5 General Information ...
Страница 9: ...9 Maintenance ...
Страница 16: ...16 ...
Страница 17: ...17 LPG Fuel System ...
Страница 18: ...18 LPG FUEL SYSTEM OPERATION ...
Страница 25: ...25 LPG Closed Loop Schematic ...
Страница 26: ...26 ...
Страница 27: ...27 LPG System Diagnosis ...
Страница 35: ...35 Fuel Symptom Diagnostics ...
Страница 51: ...51 Electrical Section ...
Страница 52: ...52 ...
Страница 53: ...53 DST Diagnostic Scan Tool ...
Страница 59: ...59 Select the USB button then click the OK box Click on the Search attached device box ...
Страница 67: ...67 When connected the live data stream appears in the Value column ...
Страница 78: ...78 ...
Страница 80: ...80 ...
Страница 81: ...81 Engine Wire Schematic ...
Страница 82: ...82 2011 3 0L GM Engine IMPCO Emission Certified LPG Fuel System ...
Страница 83: ...83 ...
Страница 84: ...84 ...
Страница 85: ...85 Engine Wire Harness Repair ...
Страница 89: ...89 Diagnostic Trouble Codes DTCs ...
Страница 93: ...93 ...
Страница 101: ...101 ...
Страница 105: ...105 ...
Страница 109: ...109 ...
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Страница 217: ...217 ...
Страница 221: ...221 ...
Страница 225: ...225 ...
Страница 229: ...229 ...
Страница 237: ...237 Servicing the Fuel System ...
Страница 254: ...254 ...
Страница 255: ...255 LPG Parts Diagram ...
Страница 256: ...256 THROTTLE BODY ASSEMBLY ...
Страница 258: ...258 FUEL RAIL INJECTORS ...
Страница 260: ...260 REGULATOR ASSEMBLY ...
Страница 262: ...262 HOSE ASSEMBLIES COOLANT VACUUM FUEL ...
Страница 264: ...264 THERMOSTAT HOUSING ...
Страница 266: ...266 ENGINE CONTROL MODULE ...
Страница 267: ...267 ENGINE CONTROL MODULE Item Description Qty IMPCO Part Number 1 ECM Liugong 1 A11 173 ...
Страница 268: ...268 SENSORS 4 1 3 6 5 2 7 ...
Страница 270: ...270 DISTRIBUTOR ...
Страница 272: ...272 FUSE BOX BRACKET ...
Страница 274: ...274 IGNITION COIL ...
Страница 275: ...275 IGNITION COIL Item Description Qty Part Number 1 Coil Ignition 1 7245530 ...
Страница 276: ...276 MANIFOLDS ...
Страница 278: ...278 WIRE HARNESS FUSES FUSE BOX COVER Fuse Box Layout 4 ...
Страница 280: ...280 PCV VENT VALVE ...
Страница 282: ...282 MISCELLANEOUS ENGINE ...
Страница 284: ...284 ALTERNATOR ...
Страница 286: ...286 STARTER ...
Страница 291: ...291 ...
Страница 292: ...292 3 0L UPPER ...
Страница 294: ...294 3 0L LOWER ...
Страница 298: ...298 ...
Страница 299: ...299 Labor Time Guide ...
Страница 317: ...317 Definitions ...
Страница 322: ...322 ...
Страница 323: ...323 Appendix ...
Страница 327: ...327 DTC SPN FMI Chart ...