how to clean a egr vacuum solenoid for a 2004 nissan xterra

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2004 Jeep Grand Cherokee Limited BODY & ACCESSORIES Speed Control

Filed Under (Other Manuals) by admin on 30-11-2013

Download 1. Disconnect vacuum hose at speed control servo and install a vacuum gauge into the disconnected hose. 2. Start engine and observe gauge at idle. Vacuum gauge should read at least ten inches of mercury. 3. If vacuum is less than ten inches of mercury, determine source of leak. Check vacuum line to engine for leaks. Also check actual engine intake manifold vacuum. If manifold vacuum does not meet this requirement, check for poor engine performance and repair as necessary. 4. If vacuum line to engine is not leaking, check for leak at vacuum reservoir. To locate and gain access to reservoir, refer to Vacuum Reservoir REMOVAL / INSTALLATION . Disconnect vacuum line at reservoir and connect a hand-operated vacuum pump to reservoir fitting. Apply vacuum. Reservoir vacuum should not bleed off. If vacuum is being lost, replace reservoir. 5. Verify operation of one-way check valve and check it for leaks.… Read More

1997 Explorer/Mountaineer Intake Manifold Service and Repair

Filed Under (Ford) by admin on 12-12-2013

Download 1. Disconnect the battery ground cable. 2. Remove the air cleaner outlet tube; refer to Section 303-12 3. Disconnect the ignition coil electrical connector and the noise suppressor electrical connector. 4. Disconnect the idle air control (IAC) electrical connector. 5. Disconnect the EGR backpressure transducer electrical connector. 6. Disconnect the EVR solenoid electrical and vacuum connectors. 7. Disconnect the brake booster vacuum hose from the upper intake manifold. 8. Disconnect the vacuum connector from the upper intake manifold. 9. Disconnect the vacuum connector from the fuel pressure regulator and remove the vacuum harness from the engine. 10. Disconnect the throttle position (TP) sensor electrical connector. 11. Disconnect the hoses from the EGR backpressure transducer ports. 12. Disconnect the six spark plug wires from the spark plugs. 13. Disconnect the spark plug wires from the seven retaining clips. 14. Remove the four ignition coil bolts and the ignition coil from the upper intake manifold.… Read More

2002 Mercury Sable Upper Intake Manifold

Filed Under (Mercury) by admin on 24-11-2013

Download 1. Remove the air cleaner outlet tube. 2. Remove the pin-type retainers and the accelerator cable splash shield. 3. Disconnect the throttle cable and the cruise control cable. 4. Disconnect the Throttle Position Sensor (TPS) and Idle Air Control (IAC) valve electrical connectors. 5. Disconnect the harness Tom the throttle body stud. 6. Disconnect the Exhaust Gas Recirculation (EGR) vacuum regulator and vacuum supply hoses. 7. Disconnect the Positive Crankcase Ventilation (PCV) and Evaporative Emissions (EVAP) vacuum hoses. 8. Remove the EGR valve. 1 Disconnect the vacuum hose. 2 Remove the nuts. 3 Remove the bolts. 4 Remove the EGR valve. 9. Remove the EGR Vacuum Regulator (EVR) valve. 1 Disconnect the vacuum hose. 2 Disconnect the electrical connector. 3 Remove the bolts. 4 Remove the valve. 10. Remove the eight bolts and the upper intake manifold. * Remove and discard the gaskets. * Clean all mating surfaces. Installation 1.… Read More

1984-1995 Honda Civic/CRX Positive Crankcase Ventilation (PCV) System

Filed Under (Honda) by admin on 31-12-2013

Download SERVICE Positive Crankcase Ventilation (PCV) Valve For PCV valve removal, refer to Routine Maintenance of this information. 1. Locate the PCV valve. With the engine running at idle, use pliers to pinch the PCV hose between the valve and the intake manifold. It should be possible to hear the spring loaded valve click shut. 2. If no click is heard, remove the valve from the engine but leave it connected to the intake manifold. A hissing sound should be heard and vacuum should be felt at the valve inlet. 3. If no vacuum is felt, remove the valve from the intake manifold hose. The engine should stall or almost stall. This will indicate a stuck valve or clogged hose. Check the breather hose for clogging or leaks and replace any defective parts. Exhaust Gas Recirculation (EGR) System FUEL INJECTED ENGINES General Information See Figure 3 The Exhaust Gas Recirculation (EGR) system is used to control emissions measured at the tailpipe.… Read More

1998 – 2000 NISSAN FRONTIER KA24 ENGINE

Filed Under (Nissan) by admin on 22-12-2013

Download MIL WITH DTC P0400, P0402, ROUGH IDLE, DRIVABILITY INCIDENTS, DIFFICULTY SETTING EGR SRT. APPLIED VEHICLES: 1998 – 2000 Frontier (D22) with KA24 engine 2000 Xterra (WD22) with KA24 engine APPLIED ENGINE: KA24DE 4 cylinder engine IF YOU CONFIRM: • DTC P0400 (EGR) or P0402 (EGRC-BPT Valve) is stored in the ECM, and/or • The vehicle exhibits rough running or other drivability incidents, and/or • Difficulty in setting the EGR System Readiness Test (SRT) status to CMPLT. ACTION: Clean the intake manifold EGR ports. SERVICE PROCEDURE 1. Remove the throttle chamber assembly and place it aside. • Refer to the EM section of the appropriate Service Manual (ESM). NOTE: It is not necessary to completely remove the throttle chamber assembly. • Only remove harness connectors, cables, and hoses necessary to allow the throttle chamber assembly to be placed aside. • Throttle chamber coolant hoses do not need to be removed. 2.… Read More

1998 – 2000 Accord V6 2001 Accord V6 4-door from VIN 1HGCG1 Repair Instructions

Filed Under (Honda) by admin on 16-12-2013

Download REPAIR PROCEDURE 1. Remove the throttle body cover, intake manifold covers, ignition wire holder, and ignition wire cover. 2. Disconnect the brake booster vacuum hose and the vacuum hose from the intake manifold. 3. Remove the throttle body from the intake manifold (two nuts and two bolts). Leave all hoses, cables, and electrical connectors connected to the throttle body. Discard the throttle body gasket. 4. Remove the PCV valve from the cylinder head cover. Remove the intake manifold (three nuts and six bolts). 5. Remove the intake manifold chamber, IAT sensor, boost plate, and PCV hose from the intake manifold. 6. Cover the six ports on the bottom of the manifold with duct tape. 7. Use an 8-mm drill bit and carburetor cleaner to clean the EGR port in the intake manifold. Turn the drill bit only by hand. Do not use a power drill. 8. Put the special drill bit from the EGR pipe installation kit in your power drill.… Read More

2004 Chevrolet Chevy K Silverado Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement Pickup

Filed Under (Chevrolet (Chevy)) by admin on 31-12-2013

Download Removal Procedure Important Clean the evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the fittings in order to avoid possible system contamination. 1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 2. Remove the harness clip from the canister vent solenoid (CVS) line. 3. Disconnect the CVS electrical connector. 4. If the vehicle is equipped with a 6 ft box, disconnect the EVAP CVS line from the canister. 5. Remove the CVS clip from the frame crossmember. 6. Push in the retainer and remove the CVS from the fuel tank clip. 7. If the vehicle is equipped with a 8 ft box, disconnect the EVAP CVS line from the canister. 8. Remove the CVS clip from the frame crossmember. 9. Push in the retainer and remove the CVS from the fuel tank clip. Installation Procedure 1. If the vehicle is equipped with a 8 ft box, install the CVS to the fuel tank until the clip engages.… Read More

2001 Ford Lincoln LS Intake Manifold Upper

Filed Under (Ford) by admin on 01-01-2014

Download 1. Disconnect the battery ground cable. For additional information, refer to Section 414-01. 2. Drain the engine cooling system. For additional information, refer to Section 303-03 . 3. Remove the engine appearance cover. 4. Remove the air cleaner outlet tube. For additional information, refer to Section 303-12 . 5. Disconnect the throttle position (TP) sensor and the idle air control (IAC) solenoid electrical connectors. 6. Disconnect the accelerator and speed control cables. 7. Remove the cable bracket. 1. Remove the bolts. 2. Remove the bracket. 8. Disconnect the throttle body hoses. 1. Disconnect the coolant hoses. 2. Disconnect the positive crankcase ventilation (PCV) hose. 3. Disconnect the vapor purge hose. 9. Disconnect the vacuum hose. 10. Disconnect the EGR to exhaust manifold tube nut. 11. Remove the cowl vent screen. For additional information, refer to Section 501-02 . 12. Remove the brace. 13. Remove the vacuum hoses from the mounting bracket.… Read More

2002-2004 Nissan Altima W/QR25 ENGINE; NO-START AFTER ‘COLD SOAK’

Filed Under (Nissan) by admin on 29-01-2014

Download Altima; vehicles built up to 1N4AL11D(*)4C181189 Sentra; ALL APPLIED DATES: Altima; vehicles built up to 12-17-2003 Sentra; ALL IF YOU CONFIRM • After a ‘cold soak’,* the engine cranks (turns with starter), but does not start. *Cold soak: Engine has cooled down to ambient (outside) temperature, regardless of summer or winter seasonal variations. • The engine may start if it is cranked for an extended period (more than 5 seconds) or if the throttle is opened during cranking. • After starting and operating for a few minutes the engine runs normally. ACTIONS • Replace the starter motor. • Add 1 can of Nissan Fuel System Cleaner into the fuel tank. • Perform ECM Part Number Check to see if the vehicle you are working on needs ECM Reprogramming. • Perform ECM Reprogramming, if needed. IMPORTANT: The purpose of “ACTIONS” (above) is to give you a quick idea of the work you will be performing.… Read More

1995 Oldsmobile Cutlass Supreme DTC 77

Filed Under (Oldsmobile) by admin on 01-01-2014

Download Direct-Hit 1995 Oldsmobile Cutlass Supreme 3.1L Test Details Hotline Archive # 97688 Confirmed Fix Vehicle Application: 1993 Chevrolet Camaro 3.4L 1995 Chevrolet Camaro 3.4L, Vin S 1994 Buick Skylark Custom 3.1L, Vin M, Eng Cfg V6 1995 Chevrolet Lumina 3.1L 1994 Chevrolet Corsica 3.1L, Vin M, Eng Cfg V6 1995 Pontiac Grand AM SE 3.1L, Vin M, Eng Cfg V6 1994 Oldsmobile Cutlass Supreme S 3.1L, Vin M 1995 Pontiac Grand Prix SE 3.1L Customer Concern: DTC 77. Tests/Procedures: 1. Remove the throttle body, and inspect the Exhaust Gas Recirculation Valve (EGR) port in the intake plenum. 2. The passage plugs at the bottom where it dumps into the plenum. 3. Best to use an old speedometer cable in a drill to run inside the passage to knock all the carbon out. Potential Causes: Restricted Exhaust Gas Recirculation (EGR) Passages Tech Tips: When an EGR solenoid is activated by the Powertrain Control Module (PCM), the PCM monitors the change in the Manifold Absolute Pressure (MAP) reading.… Read More

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