1991 isuzu amigo high idle condition


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1998-2000 Isuzu RODEO/ AMIGO HIGH/ ERRATIC IDLE CONDITION

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Filed Under (Isuzu) by admin on 13-11-2010

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high/erratic idle and/or the MIL light on. In some cases, vacuum leak noise may be heard as well. There may be poor contact or loss of contact at various main ground points or electrical connections. Power steering pressure switch may be shorted with debris. Inlet manifold gasket may be leaking. Broadcast code and calibration part number may need to be updated. To correct this condition, follow the procedures outlined in this bulletin to determine proper diagnosing, inspection and correction of ground contact points for proper electrical contact, power steering pressure switch cleaning or replacement and power steering system flush, replacement of inlet manifold gasket, and/or PCM reprogramming. SERVICE PROCEDURE Please refer to the appropriate workshop manual for the correct diagnosing procedure and/or follow the service procedures outlined in this bulletin for the vehicle being serviced. 1. Inspect main ground points (refer to SB99-04-S001 for more information). P6 ground point-body [on the passenger side of engine compartment, between the battery and cruise control actuator (if equipped)]. (Figure Fig. 1 ) P10 ground point-engine (at the alternator bracket). (Figure Fig. 2 ) The 1998, 1999 or 2000 Rodeo/Amigo Electrical Troubleshooting Manual can assist in locating the vehicle ground distribution (i.e., ground contact points). Perform a voltage drop test at the main ground points. If the voltage drop test fails, then inspect and clean both the bolt and

1981-1996 ISUZU Amigo/Pick-ups/Rodeo/Trooper Glow Plugs SYSTEM TESTING REMOVAL & INSTALLATION

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Filed Under (Isuzu) by admin on 23-12-2010

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Fig. Fig. 1: Glow plug system schematic Fig. Fig. 2: Dropping resistor and glow plug relay locations Fig. Fig. 3: Thermo switch location Fig. Fig. 4: Dropping resistor check 1. To test the dropping resistor, check for continuity across the terminals as described in the illustration. If no continuity exists, replace the unit. 2. To test the thermo switch, first remove the switch. Submerge the end of the switch in water and raise the temperature gradually. The switch should be off at 126-140°F (53-60°C) or lower. The switch should be on at 134-145°F (57-63°C) or higher. If not, replace the switch. REMOVAL & INSTALLATION See Figure 5 Fig. Fig. 5: Location of the glow plugs The glow plugs are located under the injection nozzles, and are threaded into the cylinder head. 1. Disconnect the negative (-) battery cable. 2. Disconnect the glow plug and unscrew it from the engine. To install: 3. Lubricate with anti-seize compound before installing the plug. 4. Install and tighten the plug to 65 ft. lbs. (88 Nm). 5. Reconnect the plug wiring. 6. Connect the battery cable and check operation.

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1981-1996 ISUZU Amigo/ Pick-ups/ Rodeo/ Trooper Door Panels REMOVAL & INSTALLATION

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Filed Under (Isuzu) by admin on 23-12-2010

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Fig. Fig. 1: Door panel assembly-early model Pick-up shown (other early models similar) Fig. Fig. 2: Door and panel assembly-later model Pick-up shown (other late models similar) Fig. Fig. 3: Door panel assembly-1995-96 Trooper Fig. Fig. 4: On Hombre models, if equipped, remove the accessory switch mounting plate Fig. Fig. 5: Hombre door handle trim panel and retainer screw Fig. Fig. 6: Hombre door panel assembly Fig. Fig. 7: Remove the retainer screws from the bottom of the armrest-1986 Trooper shown Fig. Fig. 8: With the screws removed from the armrest, detach the armrest from the door panel Fig. Fig. 9: If equipped with an ashtray, remove the ashtray … Fig. Fig. 10: … and remove the retainer screws securing the ashtray holder assembly Fig. Fig. 11: Remove the ashtray holder from the panel and place aside Fig. Fig. 12: Remove the door handle trim panel retainer screw Fig. Fig. 13: Use a suitable window crank removal tool between the crank and door panel … Fig. Fig. 14: … to separate the crank from the window regulator stud Fig. Fig. 15: Insert the crank arm clip to the crank, and remove the washer, then place the pieces aside Fig. Fig. 16: After removing the door panel, inspect the panel clip mounting holes for any clips which may have been left behind

2002-2004 Oldsmobile Bravada Intermittent Slow to Cool HVAC Performance Concerns in High Ambient Temperatures and/or High Humidity Conditions After Start Up, Especially at Low Engine Speeds

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Filed Under (Oldsmobile) by admin on 17-01-2011

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Models: 2004-2005 Buick Rainier 2002-2005 Chevrolet TrailBlazer Models 2002-2005 GMC Envoy Models 2002-2004 Oldsmobile Bravada 2005 Saab 9-7X Condition Some customers may comment on slow to cool Air Conditioning (A/C) performance or high A/C outlet temperatures after start up or that the A/C system is not cooling sufficiently, especially in high ambient temperatures. This may be an intermittent condition and the performance of the Heating, Ventilation and Air Conditioning (HVAC) system may not meet customer expectations. Cause This condition may be caused by the response of the Electro-Viscous (EV) fan clutch and can be related to airflow across the condenser. This low A/C system performance can occur for longer periods of time if the vehicle is allowed to idle or is driven in low speed conditions. The response of the EV fan clutch will affect A/C system performance. As higher road speeds are attained, the increased airflow across the condenser will usually improve A/C system performance and the response of the EV fan clutch. This condition may be more evident after the vehicle has set for a period of time and can be difficult to duplicate. The condition may occur after the vehicle has set for as little as 10 minutes or as long as overnight. It is most prevalent intermittently during the first 15 minutes of operation.

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2003 Honda PILOT Idle Control System Malfunction

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Filed Under (Honda) by admin on 21-12-2010

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NOTE: If DTC P1519 is stored at same time as DTC P0505, troubleshoot DTC P1519 first, then recheck for DTC P0505. 1. Start the engine. Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on. 2. Check the engine speed at idle with no-load conditions: headlights, blower fan, rear window defogger, radiator fan, and air conditioner off. Is the engine running at 730+/-50 rpm? YES – Intermittent failure, system is OK at this time.? NO – If the idle speed is less than 680 rpm, go to step 3; if it’s 780 rpm or higher, go to step 4. 3. Disconnect the idle air control (IAC) valve 3P connector. Does the engine speed increase or fluctuate? YES – Adjust the idle speed. If the idle will not adjust properly, clean the passage in the throttle body, and then adjust the idle.? NO – Replace the IAC valve.? 4. Turn the ignition switch OFF. 5. Remove the intake air duct from the throttle body. 6. Start the engine and let it idle. 7. Put your finger on the lower port (A) in the throttle body. Does the engine speed drop below 780 rpm? YES – Adjust the idle speed. If the idle will not adjust properly, replace the IAC valve, and then adjust the idle.? NO – With the throttle valve completely closed, check for vacuum leaks, and repair as necessary.?

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