Ford TDCi Injector Configuration function
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Filed Under (Chevrolet) by admin on 04-11-2010
CIRCUIT DESCRIPTION The Powertrain Control Module (PCM) enables the appropriate fuel injector on the intake stroke for each cylinder. A voltage is supplied directly to the fuel injectors. The PCM controls each fuel injector by grounding the control circuit via a solid state device called a driver. A fuel injector coil winding resistance that is too high or too low will affect the engine driveability. A fuel injector control circuit DTC may not set, but a misfire may be apparent. The fuel injector coil windings are affected by the temperature. The resistance of the fuel injector coil windings will increase as the temperature of the fuel injector increases. DIAGNOSTIC AIDS Monitoring the misfire current counters, or misfire graph, may help to isolate the fuel injector that is causing the condition. Operating the vehicle over a wide temperature range may help to isolate the fuel injector that is causing the condition. Perform the fuel injector coil test within the conditions of the customers concern. A fuel injector condition may only be apparent at a certain temperature, or under certain conditions. If the fuel injector coil test does not isolate the condition perform the fuel injector balance test. Refer to Fuel Injector Balance Test with Special Tool or Fuel Injector Balance Test with Tech 2. See: Fuel Injector Balance Test\Fuel Injector Balance Test With Special Tool See: Fuel Injector Balance Test\Fuel Injector Balance Test With Tech 2 TEST DESCRIPTION
Filed Under (Ford, Lincoln) by admin on 17-10-2009
The instructions below can be used for the following vehicles: 2008 Ford Crown Victoria / Lincoln Town Car / Mercury Grand Marquis 2008 Ford E-series 2007-2009 Ford Edge / Lincoln MKX 2005-2008 Ford Escape / Mercury Mariner 2007-2009 Ford Expedition / Lincoln Navigator 2006-2009 Ford Explorer / Lincoln Aviator / Mercury Mountaineer 2007-2008 Ford F150, F250, and F350 / Lincoln Mark LT
2009 Ford Flex 2008-2009 Ford Focus 2006-2007 Ford Freestar / Mercury Monterey 2008-2009 Ford Fusion / Lincoln MKZ / Mercury Milan 2007-2009 Ford Mustang 2007-2009 Ford Ranger 2008-2009 Ford Taurus / Mercury Sable
1. Make sure all tires are inflated to the vehicle’s recommended inflation pressures (found in the owner’s manual on the door placard). 2. Turn the ignition switch to OFF then press and release the brake pedal. 3. Turn the ignition switch from OFF to RUN (engine OFF) 3 times, ending in the RUN position. Do this within 10 seconds. 4. Press and release the brake pedal
Filed Under (Ford) by admin on 23-05-2010
This function is required by service centres when an Injector needs to be replaced, or there is a driveability problem. For 1.8 TDCi and 2.0 TDCi engines the each injector has a 16-digit calibration code stamped on the body. For 1.6 TDCi engines the each injector has an 8-digit calibration code stamped on the body. These codes relate to the electrical and structural characteristics of each injector, which are defined during production. The PCM must know the calibration codes for each injector in order to treat and operate the injectors in the correct manner. This helps to reduce emissions and improve performance. The code must be programmed in by communicating and downloading the code into the PCMs memory.
Filed Under (Ford) by admin on 07-09-2010
FORD: 2005 Mustang 2004-2005 F-150 2005 Expedition, F-250, F-350 This article supersedes TSB 05-15-8 to update the Service Procedure. ISSUE Some vehicles equipped with a 4.6L 3-valve or 5.4L 3-valve engine may exhibit a ticking and/or knocking noise after reaching normal operating temperature. The noise may be described as “ticks”, “taps”, “knocks”, or “thumps”. In some cases the noise may be a normal characteristic of these engines. In other cases the noise may require further investigation. Sorting out and defining the noise as reported by the customer is important to successfully diagnose and/or repair the condition. ACTION Before starting diagnosis, it is critical to determine the specific engine noise the customer is concerned with. The customer should be interviewed to get their detailed perception and description of the noise, and to determine if the noise occurs at idle or above idle speed, and if the engine is cold, hot, or both. Attempt to duplicate the noise, and determine the source of the symptom. Refer to the following Service Procedure to help determine the source of the noise and if a repair is needed. LINCOLN: 2005 Navigator PRE-CHECKS 1. 2. 3.
Filed Under (Ford) by admin on 09-03-2011
Removal 1. Disconnect the battery ground cables. 2. WARNING: RED-STRIPED WIRE HARNESS CARRIES 115V DC. SEVERE ELECTRICAL SHOCK MAY BE RECEIVED. DO NOT PIERCE. CAUTION: Do not attempt to service the fuel injector. The fuel injector is serviced as an assembly. If the fuel injector is disassembled for any reason, the calibration of the fuel injector will be inaccurate. There are two different fuel injectors used in the 7.3L DI turbo diesel engine: a 49-state injector and the California injector (rate shaped injector). These two injectors must not be interchanged because the Powertrain Control Modules are calibrated to the specific injector. Before replacing any injectors, refer to the Vehicle Emission Control Information (VECI) decal for proper injector selection. Failure to do so can cause poor engine performance, high emissions levels or damage to engine. Remove the engine cover. 3. Remove the two (2) nuts retaining the air cleaner-outlet tube support bracket to the left valve cover. Remove the engine harness bracket from the air cleaner- outlet tube support bracket and position aside. 4. Remove and discard the crankcase ventilation hose clamp and disconnect the hose. Loosen the clamps at the turbocharger and air cleaner and disconnect the intake duct and outlet tube. 5. Remove the bolt and nut retaining the air cleaner assembly, disconnect the air intake sensor and remove the air cleaner assembly. 6. CAUTION: Do not pierce engine electrical wires or damage to the harness can occur. Remove the engine harness tie strap from the left engine-lifting bracket. 7. Remove the two (2) crankcase breather filter retaining screws and remove the crankcase breather filter from the left valve cover. 8. Remove the left valve cover. 9. Disconnect the electrical connectors from the left valve cover gasket. Remove the valve cover gasket. 10. Disconnect the electrical connectors from the left fuel injectors and the glow plugs. 11. Drain the oil from the left cylinder head by removing the internal oil rail drain plugs. 12. Remove the left oil deflectors. 13. WARNING: DO NOT ROTATE THE CRANKSHAFT WITH THE FUEL INJECTOR REMOVED. OIL AND FUEL WILL ENTER THE COMBUSTION CHAMBER WHICH COULD CAUSE ENGINE DAMAGE OR PERSONAL INJURY. NOTE: The shoulder bolt on the inboard side of the fuel injector does not require removal. Remove the left outboard fuel injector-retaining bolts.