causes for low idle speed in 2006 chevrolet trailblazer

You search Auto repair manual PDF about causes for low idle speed in 2006 chevrolet trailblazer, search results will appear below. If search results do not exist, please search by others keyword.

1999 Pontiac Grand Am SE RIGHT FRONT WHEEL SPEED SENSOR CIRCUIT OPEN OR SHORTED

Filed Under (Pontiac) by admin on 27-01-2014

Download 1999 Pontiac Grand Am SE 1998-99 BRAKES Anti-Lock/TCS – ABS-VI – Cars. DTC C1233: RIGHT FRONT WHEEL SPEED SENSOR CIRCUIT OPEN OR SHORTED 1. Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK. After performing diagnostic system check, go to next step. 2. Turn ignition off. Spray right front wheel speed sensor jumper harness thoroughly with a 5 percent saltwater solution (2 teaspoons of salt to 12 ounces of water). Disconnect EBCM/EBTCM connector C1 (“W” body), connector C2 (“J” body, Cutlass and Malibu) or 32-pin connector (Achieva, Alero, Grand Am and Skylark). See EBCM/EBTCM LOCATION under REMOVAL & INSTALLATION. Using DVOM, measure resistance between speed sensor signal high circuit and speed sensor signal low circuit of EBCM/EBTCM connector. On “W” body, resistance should be 1020-1137 ohms at 68°F (20°C). On “J” body, Achieva, 1998 Grand Am and Skylark, resistance should be 1530-1870 ohms at 68°F (20°C). On Alero, Cutlass, 1999 Grand Am and Malibu, resistance should be 950-1250 ohms at 68°F (20°C).… Read More

Service 4WD Light Illuminated, DTC C0374 Set (Inspect Wiring Harness to Transfer Case Speed Sensors, Replace Wiring Harness)

Filed Under (Other Manuals) by admin on 01-01-2014

Download Models: 2004-2007 Buick Rainier 2003-2006 Chevrolet Avalanche, Suburban, Tahoe 2003-2007 Chevrolet Silverado Classic, TrailBlazer, TrailBlazer EXT 2003-2006 GMC Yukon, Yukon XL 2003-2007 GMC Envoy, Envoy XL, Sierra Classic 2003-2004 Oldsmobile Bravada 2005-2007 Saab 9-7X with Four Wheel Drive or All-Wheel Drive and Active All-Wheel Drive (RPO NP4) or Active Two-Speed (RPO NP8) Transfer Case. Condition Some customers may comment on intermittent illumination of the Service 4WD light. Upon investigation, the technician may find DTC C0374 set. The customer may also comment on intermittent erratic operation of the 4WD or AWD system after driving through rain/snow or simply going through a car wash. Cause The speed sensor signal may have become corrupted. Possible openings in the speed sensor wire insulation (twisted pairs) can allow water intrusion. Also, wire connections contaminated by water may result in short circuits and erroneous speed sensor readings. This most often occurs on the rear speed sensor circuit.… Read More

2003 Chevy Truck TrailBlazer Cooling System-Electro-Viscous Fan Clutch Operation

Filed Under (Chevrolet (Chevy)) by admin on 07-04-2014

Download 2003 Chevy Truck TrailBlazer 2WD L6-4.2L VIN S Cooling System – Electro-Viscous Fan Clutch Operation. Subject: Operating Characteristics of the Electro-Viscous (EV) Fan Clutch and Diagnostic Tips for Cooling Fan Noise, Delayed Transmission Shifts and/or Engine Revving Too High Models: 2004-2006 Buick Rainier 2002-2006 Chevrolet TrailBlazer, TrailBlazer EXT 2006 Chevrolet TrailBlazer SS 2002-2006 GMC Envoy, Envoy XL 2004-2005 GMC Envoy XUV 2002-2004 Oldsmobile Bravada 2005-2006 Saab 9-7X with 4.2L I-6, 5.3L V-8 or 6.0L V-8 Engine (VINs S, P, M, H – RPOs LL8, LM4, LH6, LS2) Date/VIN Breakpoints for Vehicles with New EV Fan Clutch. Vehicles built after and including the Date or VIN Breakpoints listed in the table shown are equipped with the new electro-viscous (EV) fan clutch . Vehicles of any model year listed in “Models Affected” with labor code J3390 (claimed after June 8, 2005) with P/N 15293048 in Claim History may also be equipped with this new EV fan clutch .… Read More

2004 Chevrolet Chevy Suburban Gradual Coolant Loss Over Time with No Evidence of Leak Found

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

Download 2004 Chevrolet Chevy Suburban – 4WD | Avalanche, Escalade, Suburban, Tahoe, Yukon (VIN C/K) Service Manual. Information on Gradual Coolant Loss Over Time with No Evidence of Leak Found. Models: 2004-2006 Buick Rainier 2001-2006 Cadillac Escalade Models 2001-2006 Chevrolet Avalanche, Blazer, Silverado, Suburban, Tahoe, TrailBlazer Models 2001-2006 GMC Envoy, Jimmy, Sierra, Yukon Models 2001-2004 Oldsmobile Bravada 2005-2006 Saab 9-7X with 4.8L or 5.3L VORTEC® GEN III, GEN IV V8 Engine (VINs V, T, M, B, Z – – RPOs LR4, LM7, LH6, L33, L59) Some vehicles may experience a gradual coolant loss over time. A very low percentage of cylinder head(s) manufactured with an embossed Castech logo may develop a porosity crack in a very specific area. Inspect the cylinder head assembly to determine if the casting was manufactured by Castech. This can be accomplished by inspecting for their casting logo located on top of the intake port, under the rocker arm support rail and in the spring deck cavity portion of the cylinder head.… Read More

MIL “ON” WITH DTC U1000 OR U1010 STORED IN ENGINE CONTROL UNIT

Filed Under (Other Manuals) by admin on 09-02-2014

Download APPLIED VEHICLES: 2002 – 2003 Maxima (A33) 2004 – 2006 Maxima (A 34) 2004 – 2006 Titan (A 60) 2004 – 2006 Armada (TA60) 2002 – 2006 Sentra (B15) 2005 – 2006 Frontier (D 40) 2002 – 2006 Altima (L 31) 2005 – 2006 Xterra (N 50) 2005 – 2006 Pathfinder (R51) 2004 – 2006 Quest (V 42) 2003 – 2006 350Z (Z33) 2003 – 2006 Murano (Z50) IF YOU CONFIRM The MIL is “ON” with • DTC U1000 (CAN COMM CIRCUIT) OR • DTC U1010 (CAN COMM) [2006 Models only] stored in the engine control unit, and There are no drivability incidents. DETERMINE IF This bulletin applies by performing steps 1 and 2 of the Service Procedure. ACTIONS If this bulletin applies, there may be excess resistance in certain ground connections: • Clean/re-tighten ECM ground connections. • Clean/re-tighten negative battery cable body connection and battery post connection. • If needed, clean and ensure good contact between the steering member assembly and the left side instrument stay assembly.… Read More

2003 Chevrolet Tahoe Test Details

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

Download  2002 Chevrolet Silverado 1500 4.8L, GAS, Vin V, Eng Cfg V8, USA/Canada 2003 Chevrolet Tahoe 4.8L, GAS, Vin V 2003 Chevrolet Silverado 1500 4.8L, GAS, Vin V, Eng Cfg V8 2003 Chevrolet Tahoe 5.3L, FLEX, Vin Z Customer Concern: The engine runs, but lacks power when driving. Has codes P0101 and P0300. Scanner shows misfires all on the same side of the engine. Tests/Procedures: 1. Check the catalytic converter, on the “suspect” bank of the engine, for a restricted (plugged) exhaust system to that side of the engine. 2. Disconnect both front O2 sensors, re-set the fuel trims and see if the problem goes away. 3. If gone with the O2 sensors disconnected, then swap the sensors side to side and see if the problem follows the O2 sensor. Potential Causes: Plugged Exhaust System Oxygen Sensor Diagnostic Codes: P0101, P0300 Author: Christopher Pittman Average Reported Mileage: 92479 Confirmed Fix Summary Confirmed Fix 9 – Catalytic Converter 1 – Exhaust System 1 – Intake Manifold Gasket(s) 1 – Right Catalytic Converter Confirmed Fix Details Tech Reported Fix Details Confirmed Fix Phil Zeuner March 04, 2009 2003 Chevrolet Tahoe, 5.3L, FLEX, Vin Z Replaced Catalytic Converter – Replaced cat.… Read More

2007 Chevrolet Impala Transmission 1-2 Shift Shudder at Light to Moderate Acceleration

Filed Under (Chevrolet (Chevy)) by admin on 23-12-2013

Download Models: 2001-2004 Buick Regal 2001-2005 Buick Century, LeSabre 2002-2007 Buick Rendezvous 2005-2007 Buick Terraza, LaCrosse, Allure (Canada Only) 2006-2007 Buick Lucerne 2001-2005 Chevrolet Venture 2001-2007 Chevrolet Impala, Monte Carlo 2005-2007 Chevrolet Uplander 2006-2007 Chevrolet Malibu SS, Malibu Maxx SS 2001-2002 Oldsmobile Intrigue 2001-2003 Oldsmobile Aurora 2001-2004 Oldsmobile Silhouette 2001-2005 Pontiac Aztek, Bonneville, Montana 2001-2007 Pontiac Grand Prix 2005-2007 Pontiac Montana SV6 2006-2007 Pontiac G6 GTP 2005-2007 Saturn Relay with 4T65E Automatic Transmission (RPOs MN3, MN7, M15, M76) Supercede: This bulletin is being revised to update parts information. Please discard Corporate Bulletin Number 06-07-30-023B (Section 07 – Transmission/Transaxle) . Condition Some customers may comment on a 1-2 shift shudder at light to moderate acceleration. Typically, the throttle plate angle parameter is 12-20% at time of condition with vehicle speed of approximately 24-40 km/h (15-25 mph). The customer may describe the condition as slip or delayed shift into second. Correction Replace the complete second clutch assembly with service kit, P/N 24240561.… Read More

2003 HONDA PILOT DTC Troubleshooting

Filed Under (Honda) by admin on 19-12-2013

Download P0505 (14) DTC P0505: Idle Control System Malfunction 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? 3. Disconnect the idle air control (IAC) valve 3P connector. Does the engine speed increase or fluctuate? 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 – Intermittent failure, system is OK at this time.?… Read More

2009-2010 Ford Expedition LOW FREQUENCY ENGINE KNOCKING NOISE AT HOT IDLE

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

Download 2009-2010 Ford Expedition LOW FREQUENCY ENGINE KNOCKING NOISE AT HOT IDLE. FORD: 2009-2010 Expedition, F-150 LINCOLN: 2009-2010 Navigator. 6. Open Data Logger. ISSUE Some 2009-2010 F150 vehicles equipped with a 7. Select Powertrain Engine. 4.6L 3V or 5.4L 3V engine, Expedition and Navigator vehicles may exhibit a low frequency 8. Select PCM Data Logger. knocking noise from the engine at hot idle only. The 9. Clear the preselected items by clicking the noise is predominately heard from the right front eraser icon button. wheel well area and/or the right hand (RH) engine cam cover. This noise may be generated from the 10. Select variable cam timing desired angle RH variable camshaft timing (VCT) phaser number (VCT_DSD). assembly. This procedure was created to diagnose the RH VCT phaser assembly. 11. Go to live display and press the tick mark. 12. Make sure the parameter identification (PID) is ACTION highlighted with the dark lines above and below Follow the Service Procedure steps to correct the the data being displayed.… Read More

2005 Chevrolet Colorado Pickup Canyon, Colorado (VIN S/T) Service Manual

Filed Under (Chevrolet (Chevy)) by admin on 02-01-2014

Download Subject: SES Light Due to DTCs P0105, P0106, and/or P0506 – Clean Throttle Body Models: 2004-2007 Buick Rainier 2002-2007 Chevrolet TrailBlazer 2004-2007 Chevrolet Colorado 2002-2007 GMC Envoy 2004-2007 GMC Canyon 2002-2004 Oldsmobile Bravada 2006-2007 HUMMER H3 2005-2007 Saab 9-7X with any of the following engines: 2.8L (VIN 8 – RPO LK5) 2.9L (VIN 9 – RPO LLV) 3.5L (VIN 6 – RPO L52) 3.7L (VIN E – RPO LLR) 4.2L (VIN S – RPO LL8) The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern: On rare occasions, a SES light may be experienced due to DTCs P0105, P0106, and/or P0506. There may or may not be an idle complaint accompanying the SES light. This may be due to excessive carbon build up in the throttle body. Recommendation/Instructions: If the SI diagnostics do not isolate a cause for this concern, clean the throttle body bore and plate for evaluation.… Read More

You might also likeclose