Filed Under (GM) by admin on 11-04-2011
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Description The Engine Cranks but Does Not Run diagnostic table assumes that the battery condition and the engine cranking speed are OK. If the battery condition and the cranking speed are not OK, refer to Diagnostic System Check – Engine Electrical in Engine Electrical for diagnosis. Make sure that there is adequate fuel in the fuel tanks. Diagnostic Aids • Check the duct work between the mass air flow (MAF) sensor and the throttle body for air leaks. • A malfunctioning MAF sensor may cause a no start or a stall after start. If you suspect this, disconnect the MAF sensor. The powertrain control module (PCM) will default to the speed density in order to calculate the load and the air flow. If this corrects the condition and the connections are OK, replace the MAF sensor. If the steps above check OK, refer to Symptoms . Test Description The numbers below refer to the step numbers on the diagnostic table. 4. It may be necessary to connect a battery charger to the battery for this step. If the battery state of charge is low, the scan tool may reset during the cranking test. 5. This step tests the ignition relay for proper operation. The ignition relay supplies voltage to the injectors and the ignition coils. When the ignition relay is not operating properly, a no start condition occurs. If the test lamp does not illuminate, this indicates the ignition relay is not suppling a voltage to the fuses. 6. The crankshaft position (CKP) sensor is located above the starter. 7. The camshaft position (CMP) sensor is located at the rear of the engine behind the intake manifold. 8. The ignition feed circuit for the CMP and CKP sensors is internally connected within the PCM. A short to ground on either circuit will cause a no start condition. 10. The fuel cap may need to be removed in order to hear if the fuel pump is operating. 12. At this point the engine should start. Refer to Hard Start for further diagnosis.
Filed Under (Ford) by admin on 08-04-2011
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CAUTION: The maximum amount by which the engine management system will adjust the camshaft timing (VCT control unit) is limited to 2 degrees. As a result of this an extremely high degree of accuracy is required for any work which affects the valve timing. NOTE: Steps which only apply to certain model variants and therefore do not apply to all vehicles are clearly marked. NOTE: The positions of the engine mountings and engine support insulators are described looking from the transaxle towards the engine. 1. Disconnect the battery ground cable. For additional information, refer to Section 414-01. 2. Loosen the front right-hand wheel nuts. 3. Raise and support the vehicle. For additional information, refer to Section 100-02. 4. Remove the front right-hand wheel. 5. Lower the vehicle. 6. Remove the air cleaner resonator and air cleaner outlet pipe. 1. Disconnect the mass air flow (MAF) sensor electrical connector. 2. Disconnect the intake air temperature (IAT) electrical sensor. 3. Remove the one bolt and two nuts. 4. Release the retaining clips. 7. Disconnect the speed control cable. 1. Disconnect the cable from throttle valve. 2. Gently move the cable up and down and pull it out of the retaining bushing. 3. Press the retaining bushing out of the bracket. 8. Disconnect the throttle cable. 1. Remove the plastic clip. 2. Unhook the cable. 9. Remove the timing belt. For additional information, refer to Timing belt in this section. 10. Remove the camshaft pulleys. 1. Remove the blanking plug from the exhaust camshaft pulley. 2. Remove the exhaust camshaft pulley. 3. NOTE: Hold the camshaft by the hexagon with an open-ended wrench to stop it from turning. Remove the intake camshaft timing belt pulley. 11. Remove the bolts from the variable camshaft timing (VCT) oil feed flange. 12. NOTE: Working evenly in several stages, unscrew each bolt two turns at a time. NOTE: Loosen the bearing caps in the indicated sequence. Loosen the camshaft bearing caps. 13. NOTE: Loosening sequence. Remove the camshafts. 1. Remove the camshaft bearing caps. Remove the camshaft seals. 3. Remove the intake camshaft. 4. Remove the exhaust camshaft with the oil feed flange. Installation 1. NOTE: Use a thumb to press the locating pins of the gasket into the holes. Press a new gasket into the oil feed flange. 2. Prepare the exhaust camshaft for installation. 1. Insert the oil feed ring into the oil feed flange. 2. Slide both components together onto the exhaust camshaft.
Filed Under (Vauxhall) by admin on 05-04-2011
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Disconnect battery. Disconnect harness multi-plug from engine coolant temperature (ECT) sensor Fig.1 [2] . Disconnect harness multi-plug from mass air flow (MAF) sensor Fig.1 [4] . Remove protective cover Fig.1 [1] . Remove plastic tube from wiring harness Fig.1 [3] . Remove insulation tape from wiring harness. Cut engine coolant temperature (ECT) sensor wiring and remove from cable ducting. Cut new engine coolant temperature (ECT) sensor wiring a minimum of 120 mm long. Fit new wiring harness multi-plug to wires Fig.2. Repair wiring with repair kit listed. Seal with insulation tape Fig.3. Remove engine coolant temperature (ECT) sensor. Fit modified engine coolant temperature (ECT) sensor. Tightening torque: 18 Nm. Refit wiring harness multi-plug. Reconnect battery. Erase fault memory.
Filed Under (Ford) by admin on 14-02-2011
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1. Disconnect the battery ground cable. For additional information, refer to Section 414-01. 2. Remove the air cleaner outlet tube. For additional information, refer to Section 303-12. 3. Remove the air cleaner housing. 1. Disconnect the mass air flow (MAF) sensor electrical connector. 2. Remove the bolt. 3. Remove the housing. 4. CAUTION: To disconnect the normal fitting, squeeze the tabs and pull straight out or damage to the fitting may occur. Disconnect the crankcase ventilation tube. 5. Disconnect the fuel line. For additional information, refer to Section 310-00. 6. Disconnect the evaporative emission canister purge valve hose. 7. Remove the vapor management valve (VMV) cover. 8. Position the VMV aside. 1. Disconnect the vacuum hose. 2. Disconnect the purge line. 3. Remove the nuts and position the valve aside. 9. Position the engine vacuum regulator (EVR) solenoid aside. 10. Remove the bracket. 1. Remove the hose. 2. Remove the bracket. 11. Position the engine wiring harness up. 12. Remove the ignition coil cover. Inspect the gasket and install a new gasket as necessary. 13. Disconnect the ignition coil electrical connectors. 14. Remove the four LH ignition coils. 15. Disconnect the four wiring harness retainers. 16. Remove the fuel line bracket bolt from the LH shock tower. 17. Remove the bolts and position the power steering pump reservoir aside. 18. Remove the nut and the oil level indicator tube.
Filed Under (Ford) by admin on 11-02-2011
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1. Remove the battery and the battery tray. For additional information, refer to Section 414-01. 2. Disconnect the breather tube and mass air flow (MAF) sensor. 3. Remove the intake tube and air cleaner cover. 4. Remove the air cleaner assembly. 5. Disconnect the transmission range (TR) sensor. 6. Disconnect the HO2S sensor. 7. Disconnect the transaxle harness connector and remove the wire harness bracket nut. 8. Position the wire harness bracket out of the way. 9. Disconnect the vent hose from transmission filler tube bracket. 10. Unclip the wire harness. 11. Disconnect the shift cable. 12. Disconnect the wire harness from the shift cable bracket to gain access to the bracket bolts. 13. Remove the shift cable and bracket, and position out of the way. 14. Disconnect the starter motor harness connector. 15. Disconnect the ground wire. 16. Remove two starter bolts, and remove the starter motor.