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2003 GMC Sierra 1500 Pickup Support Question

2003 GMC Sierra 1500 Pickup Support Question

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Question posted by skiogawa on May 30th, 2014

How To Check On Misfire Problem

Just wondering how to go about checking on the coil packs and diagnosing misfire problem... could this have been the cause of my p0420 code and possible catalytic converter replacement>

Current Answers

Answer #1: Posted by seemeagain on May 30th, 2014 3:51 AM
seemeagain

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Related Manual Pages

Owner's Manual - Page 70

See Air Bag Readiness Light on the instrument panel cluster, which shows the air bag symbol. The system checks the air bag electrical system for more information. The light tells you if there is in the middle of the steering wheel. 1-63 The driver's air bag is an electrical problem. r There is an air bag readiness light on page 3-33 for malfunctions. Where Are the Air Bags?
Owner's Manual - Page 82

...lit, secure the child in the child restraint in a rear seat position in the vehicle and check with the air bag system or the passenger sensing system The passenger sensing system is designed to turn...very small person the air bag off switch is in the off position or if there is a critical problem with your dealer. If a person of this manual. The passenger sensing system is designed to turn off ...
Owner's Manual - Page 163

... on page 5-1 11. If a bulb is burned out, replace it . To signal a lane change, just raise or lower the lever until you to help avoid an accident. Turn and Lane Change Signals The turn or lane change. Then release it to signal a turn , check for more than 3/4 of the turn signal. 3-8 When the...
Owner's Manual - Page 173

Accessory Power Outlets With accessory power outlets you experience a problem, see your dealer for more than 10 minutes when the ignition is designed to ...when the doors are opened , or remain off the dome, reading, glove box, and underhood lamps if they should. Check with your vehicle can use the dome override button, located below the exterior lamps control, to set the dome lamps to...
Owner's Manual - Page 185

...and warning lights work together to cause an expensive repair or replacement. Waiting to do about it ...just to your warning lights and gages could also save you know your vehicle. Thepictures will see in the details on the next few pages, some warning lights come on when you are familiar with one ofthe warning lights comes on and stays on when there may be a problem, check...
Owner's Manual - Page 188

...system, see Air Bag Systems on again. The light tells you if there is ready. The system check includes the air bag sensors, the air bag modules, the passenger sensing system (if equipped), the .... This light will come on this light will go out.This means the system is an electrical problem. United States with Passenger Sensing System 3-33 Then the light should go off . J If the...
Owner's Manual - Page 193

... together, it helps to turn off all , there may be a problem with the lights or the passenger sensing system. The battery display will also...problem with your dealer for service. Driving with this ever happens, have the protectionof the air bag. If you may not have the vehicle serviced promptly, becausean adult-size person sitting in the Index. If, after starting the engine it checked...
Owner's Manual - Page 199

...while, your emission controls may prevent more serious damage to your service technician in correctly diagnosing any problem is equipped with this light on page 6-5 for the life of the fuel, ... to assist your vehicle. Malfunction Indicator Lamp Check Engine Light Your vehicle is apparent. The following situations can cause the transmission to operate at higher temperatures: Towinga...
Owner's Manual - Page 200

...If the Light is possible. If you it is... A misfire condition has been detected. This may cause this ...light to come on your vehicle. Avoiding hard accelerations. If the light continues to flash, when it is working, when the ignition is not running. Notice: Modifications made to the engine, transmission, exhaust, intake or fuel system of your vehicle or the replacement...
Owner's Manual - Page 201

...diagnosed by the system. If so, your vehicle pass an inspection: Your vehicle will not pass this inspection if the Check...problems that critical emission control systems have recently replaced your battery or if your dealer or qualified service center to fully install the cap. Poor fuel quality will cause...inspection. Have you just drive through a ...vehicle into gear, misfiring, hesitation on ...
Owner's Manual - Page 202

...the oil pressure is running. Check youroil as soon as possible and have your engine can be burned. Notice: Damage to your engine from neglected oil problems can becomeso hot that it ... not covered by a dangerously lowoil levelor some otherproblem causing low oil pressure. Oil Pressure Gage A reading in the low pressure zone maybe caused by is your warranty. 3-47 If you do, ...
Owner's Manual - Page 216

...checked as soon as safely possible and do so to the requested gear you will hear a chime. Stop and turn off the vehicle as soon as possible.... This message will appear the DIG. Check your oil as soon as it until the cause of the low oil pressure has been ...If there is safe to do not operate it is a problem with this problem could drain your vehicle serviced. To make the vehicle shift ...
Owner's Manual - Page 217

...for service. SERVICE BRAKE SYSTEM If there is a problem with the brake system, this message will take and longer to stop as soon as possible and turn off the vehicle. If this message ...appears, stop . See Brake System Warning Light on , you begin driving, the brake system needs service. Restart the vehicle and check for...
Owner's Manual - Page 218

... again when you begin driving, the air suspension system needs service. SERVICE 4WD If a problem occurs with the suspension system, this message will appear on the DIC display. TURN SIGNAL ON...the DIC display. Restart the vehicle and check for 314 of a mile (1.2 km), this message will acknowledge this message appears, stop as soon as possible and turn signal/multifunction lever to the ...
Owner's Manual - Page 220

... the select button will acknowledge this message and clear it as possible. Pressing the select button will acknowledge this message will appear on the DIC and you will hear a chime. CHECK OIL LEVEL If the oil level in the Index. Once the problem corrected, pressing the select is button will clear this message...
Owner's Manual - Page 265

... disc player on . If any other reason, try again. 3-1 10 Compact Disc Messages CHECK CD: If this system and a DVD is available and can 't be due to your...air is dirty, scratched, wet or upside down and provide it could be corrected, contact your dealer when reporting the problem. 3. Press the SONG LIST button to the DVD, press the CD AUX button until RSE appears on a very ...
Owner's Manual - Page 273

... audio or on the screen is wrong. The picture does not fill the screen. the disc. Check the signal coming from the auxiliary device and make sure that the connection and the signal is not... change the audio or language selection on or accessory. ~ Problem Recommended Action -~ ~ Problem ~ Recommended Action No power. Press the Menu button on the DVD player or on the remote control...
Owner's Manual - Page 274

...clean the video screen? If the stop button was stopped. This could be caused by interference from the DVD player. This could permanently damage the DVD player....soft cloth that the batteries are not dead or put in the player. Problem The remote control does not work . Recommended Action Point the remote control... DVD. Check to make sure that the auxiliary source is the best way to the...
Owner's Manual - Page 300

...you than one thing, following too closely reduces your shoulder and check the blind spot. If you're being passed, make it...that if your right outside mirror is convex, the vehicle you just passed may be increasing speed as you pull out to cancel ...before passing the next vehicle. And if something happens to cause you to pass the slow vehicle. Remember to glance over...
Owner's Manual - Page 486

... or goes away. If the motor overheats due to your vehicle unless you check with a new one that you replace a bad fuse with your vehicle and the damage wouldn't be sure to ...fires caused by electrical problems. Look at the silver-colored band inside the fuse. Be sure you can keep other power accessories. If you can borrow one of your warranty. Just pick some electrical problem ...

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