2002 chevy 5 3 rough idle when cold code po300

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LM7, L59 or L33 Engines with Cold Start Rough or Incorrect Idle, Misfire, Malfunction Indicator Lamp (MIL) or Flashing Requiring O2 Sensor Replacement (Reprogram PCM)

Filed Under (Other Manuals) by admin on 28-12-2013

Download Models: 2004-2005 Cadillac Escalade 2004-2005 Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe 2005 Chevrolet Silverado Hybrid (HP2) 2004-2005 GMC Sierra 1500, Yukon, Yukon XL 2005 GMC Sierra Hybrid (PH2) with Vortec 5300 5.3L V-8 Engine (VINs T, Z, B — RPOs LM7, L59, L33) Condition Some customers may comment on a Malfunction Indicator Lamp (MIL) On or that the MIL is flashing. An actual engine misfire may or may not be felt along with an incorrect idle speed. Typically this occurs during cold winter months, on cold engine starts. Some vehicles may have been previously serviced for the same condition. Technicians may also find the following DTCs stored with the Tech 2® P0131, P0133, P0134, P0137, P0138, P0140, P0151, P0153, P0154, P0157, P1133, which may be in conjunction with P0171, P0174, P0300 and P1138. Cause Water shock occurs when water droplets are present in the exhaust. The water in the exhaust contacts the sensor element inside the HO2 sensor, causing the HO2 sensor element to crack.… Read More

2001-2002 Honda Odyssey Idle Fluctuation and/or the MIL Is On With DTC P1129

Filed Under (Honda) by admin on 02-02-2014

Download : 2001-02 Odyssey – ALL 2003 Odyssey – From VIN 5FNRL1…3B000001 thru 5FNRL1…3B159953 2003 Odyssey – From VIN 2HKRL1…3H500001 thru 2HKRL1…3H514354 2003 Pilot – From VIN 2HKYF1…3H500001 thru 2HKYF1…3H520648 Idle Fluctuation and/or the MIL Is On With DTC P1129 and/or P0505 (Supersedes 04-007, Idle Fluctuation With DTC P1129 , dated February 6, 2004, to update the information marked by the black bars) SYMPTOM The idle fluctuates, and/or the MIL is on with DTC P1129 (high manifold absolute pressure [MAP] sensor signal) and/or P0505 (faulty IAC valve). PROBABLE CAUSE The idle air control (IAC) valve sticks open, the power steering pressure switch wire is broken, or both. CORRECTIVE ACTION Replace the IAC valve, repair the power steering pressure switch wire, or do both. DIAGNOSIS 1. Start the engine, and let it idle until it warms up. Does the idle fluctuate, or is there a customer complaint of an intermittent idle fluctuation?… Read More

2002-2003 Acura RSX Icebox Cold Air Intake Installation Instructions

Filed Under (Acura) by admin on 11-01-2014

Download Honda Civic Si & Acura RSX Icebox Cold Air Intake Installation Instructions (2002-2003 Honda Civic Si) (2002-2003 Acura RSX—All) Step #1 Remove Stock Airbox • Before disconnecting battery locate radio code to reactivate radio after installation. (write down preset channels for later use) •Disconnect Negative battery terminal. •Remove battery positive terminal, tie down clamp, battery and plastic tray. •Remove engine cover around throttle body on intake manifold (A). •Remove stock air box lid and filter. •Disconnect Intake Air Temperature (IAT) sensor, remove upper intake hose and clamps (B). •Remove air box mounting bolts and nut. Rotate air box forward and out. Remove rubber grommets and stepped bushings from stock air box*. •Remove Lower Air inlet hose by removing mounting bolt from radiator cross support above cooling fan. •Remove ground strap bracket on side of transmission (C). Relocate ground strap from transmission bracket to top of transmission (D). Step #2 Install Comptech Airbox •Install (3) stock rubber grommets* (E) through large holes on underside of mounting ears on Icebox (a small dab of filter oil may be used to ease this process).… Read More

1997 Buick Century COLD ENGINE TICK OR RATTLE AFTER START-UP

Filed Under (Buick) by admin on 05-04-2014

Download 1997 Buick Century Limited 3.1/3.4L ENG TICK OR RATTLE AFTER COLD START UP COLD ENGINE TICK OR RATTLE AFTER START-UP (REPLACE PISTON/PIN ASSEMBLY) Model(s): 1994-95 Buick Regal 1994-97 Buick Skylark 1994-98 Buick Century 1994-95 Chevrolet Beretta Corsica, Lumina, Monte Carlo 1996-98 Chevrolet Venture 1997-98 Chevrolet Malibu 1993-97 Oldsmobile Cutlass Supreme 1994-96 Oldsmobile Cutlass Ciera 1994-97 Oldsmobile Achieva 1996-98 Oldsmobile Silhouette 1997-98 Oldsmobile Cutlass 1994-98 Pontiac Grand Am, Grand Prix 1996-98 Pontiac Trans Sport with 3100, 3400 V6 Engine (VINs M, E – RPOs L82, LA1) CONDITION Some customers may comment on a ticking type noise that begins shortly after cold engine start-up and gradually diminishes as the engine warms up. In most cases, the noise is gone after five (5) minutes. In severe cases, the noise may not disappear when lhe engine is hot. CAUSE Under normal design tolerances when the piston pin bore is produced at the maximum tolerance and the piston pin is produced at the minimum tolerance (min-max tolerance) trace noise levels can occur.… Read More

2002-2004 Ford Focus SVT COLD AIR SYSTEM

Filed Under (Ford) by admin on 26-02-2014

Download Part Number 21-451. Read and understand these instructions BEFORE attempting to install this product. 1) Getting Started a) Make sure vehicle is parked on a level surface. b) Set parking brake. c) Jack the front of the vehicle and support using properly rated jack stands d) If engine has run with in the past two hours let it cool down. 2) Removal of the stock intake system. a) Stock system installed on vehicle. b) Remove the wiring harness from the MAF Sensor. c) Remove the clamp securing the primary intake pipe to the throttle body. d) Disconnect the breather hose from the vehicle. e) Remove the stock intake system from the vehicle. f) Upper Stock system removed from vehicle. g) Remove the MAF sensor from the stock intake system. h) Remove the 90 degree plastic fitting from the stock system. i) Remove the battery cover from the vehicle. j) Disconnect the battery.… 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

2002 – 2003 Honda Civic Si & Acura RSX Comptech Icebox Cold Air Intake Installation Instructions

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

Download Parts List: 1- Icebox lid w/ screws 1- Icebox Bottom 1- Lower Air Horn 1- Filter Elbow 1- 6 mm x 35 mm screw 1- 6 mm nut 1- Plastic pin 1- High Flow Filter Element 1- Filter Oil 1—CARB EO# Decal (RSX). Step #1 Remove Stock Airbox • Before disconnecting battery locate radio code to reactivate radio after installation. (write down preset channels for later use) •Disconnect Negative battery terminal. •Remove battery positive terminal, tie down clamp, battery and plastic tray. •Remove engine cover around throttle body on intake manifold (A). •Remove stock air box lid and filter. •Disconnect Intake Air Temperature (IAT) sensor, remove upper intake hose and clamps (B). •Remove air box mounting bolts and nut. Rotate air box forward and out. Remove rubber grommets and stepped bushings from stock air box*. •Remove Lower Air inlet hose by removing mounting bolt from radiator cross support above cooling fan.… 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

2001 Ford Escort ZX2 Engine – Vibration While Idling

Filed Under (Ford) by admin on 14-12-2013

Download 2001 Ford Escort ZX2 L4-2.0L DOHC VIN 3 Engine – Vibration While Idling. ^DRIVEABILITY – IDLE VIBRATION – VEHICLES EQUIPPED WITH 2.0L SPI OR ZETEC ENGINE ONLY ^ENGINE – IDLE VIBRATION – VEHICLES EQUIPPED WITH 2.0L SPI OR ZETEC ENGINE ONLY. FORD: 1997-2002 ESCORT 1998-2003 ESCORT ZX2 MERCURY: 1997-1999 TRACER This article supersedes TSB’s 00-5-9 and 02-21-12. ISSUE This TSB article is being republished to assist in diagnosing idle vibration. ACTION Diagnose and repair idle vibration conditions by referring to the following idle vibration Service Procedures. SERVICE PROCEDURE NOTE THE PROCEDURE CONTAINED IN THIS TSB ARTICLE MAY NOT COMPLETELY ELIMINATE ALL VIBRATION FROM THE VEHICLE. SOME VIBRATION IS INHERENT IN 1-4 ENGINE DESIGNS, SUCH AS THE SPI AND ZETEC 2.0L. THIS PROCEDURE IS DESIGNED TO REDUCE THE AMOUNT OF VIBRATION EXPERIENCED BY THE CUSTOMER. PROCEDURE FOR 2003 ESCORT ZX2 PROCEDURES FOR 1997-2002 ESCORT, ESCORT ZX2 AND TRACER ^DRIVEABILITY – IDLE VIBRATION – VEHICLES EQUIPPED WITH 2.0L SPI OR ZETEC ENGINE ONLY ^ENGINE – IDLE VIBRATION – VEHICLES EQUIPPED WITH 2.0L SPI OR ZETEC ENGINE ONLY 1.… Read More

1997-2002 CHEVY S-10 BLAZER KIT #152 INSTALLATION INSTRUCTIONS

Filed Under (Chevrolet (Chevy)) by admin on 29-12-2013

Download 1. Read all warnings and instructions completely and carefully before you begin. 2. Check to make sure the kit is complete (refer to the Parts List, section E). 3. Only install this kit on the vehicle for which it is intended. If anytime during the installation you encounter something different from what is outlined in the instructions, call technical support at (928) 636-0979. 4. Park the vehicle on a clean, dry, flat, level surface and block the tires so the vehicle cannot roll in either direction. 5. Disconnect both battery cables. Disconnect the negative cable (1) first, then the positive cable (2) from the battery (3). 6. Remove cover (4) and airbag “SIR” fuse (5) from fuse panel (6).Get ready to install the kit. 1. Remove the grille. a. Remove ten pull clips (7) and grille (8) from core support (9). b. Remove two turn signal lamps (10) from turn signal housings (11).… Read More

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