2002 Chevrolet Avalanche Support Question
2002 Chevrolet Avalanche Support Question
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Question posted by orlandodfabiani on September 26th, 2015
My Check Engine And Radiator Lights Come On For No Reason?
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Current Answers
Answer #1: Posted by TechSupport101 on September 26th, 2015 10:16 AM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,255
Member since:
May 24th, 2013 Points: 12,171,255
You may be having a radiator leak. Also check your engine oil. Lastly, stop by AutoZone for an OBD II scanning for any stored computer diagnostic codes.
Related Manual Pages
Owner's Manual - Page 94
... until the light stops flashing before trying to release the key from START as soon as the engine starts. See your Passlock system is tampered with the manual door lock and open the driver's door. 2. If the alarm does not sound when it should but the vehicle's headlamps flash, check to go out...
Owner's Manual - Page 105
... front axle and delivers extra torque. If the lights do not come on briefly when you turn on the ignition and...lights will return to roll even if the transmission is being shifted. See "Parking Brake" in the Index for service. It sends maximum power to help drive your vehicle to the last chosen setting. If for some reason the transfer case cannot make a requested shift, it will come...
Owner's Manual - Page 107
... (2HI, 4HI, AUTO 4WD or 4LO). 4. Start the vehicle or turn the ignition to RUN with the engine off. 3. Shift the transfer case to the towing vehicle. 4. Place the transmission shift lever in NEUTRAL (N). ...press and hold the 2HI and 4LO buttons for 10 seconds. The red NEUTRAL light will come on when the transfer case shift to the desired position.
2-39 Shifting Out of NEUTRAL To...
Owner's Manual - Page 160
... An advisor will contact the appropriate help.
2-92 Remote Diagnostics: If an instrument panel light comes on -board computer. An advisor can delay unlocking your security information. Remote Door Unlock:... (Requires activation and an additional fee.) Accident Assist: An advisor can perform a check of the engine on , the center can provide step-by-step guidance following an accident. An ...
Owner's Manual - Page 169
... your speed in the details on the next few pages, some warning lights come on when there may be a problem, check the section that something is wrong before it becomes serious enough to do...to cause an expensive repair or replacement. The hour meter will reset it. Warning lights come on briefly when you start the engine just to let you know when there's a problem with the ignition off ,...
Owner's Manual - Page 170
... go out. If the driver's belt is already buckled, neither the chime nor the light will come on for malfunctions.
Air Bag Readiness Light
There is an electrical problem. Safety Belt Reminder Light
When the key is ready.
The system checks the air bag's electrical system for about 55 seconds. This means the system is...
Owner's Manual - Page 172
... light comes on , the brake system warning light will flash if the parking brake doesn't release fully. United States
Canada
2-104 Brake System Warning Light
With the ignition on , there could be a brake problem. Your vehicle's hydraulic brake system is not able to create maximum power. Have the vehicle serviced as soon as higher engine...
Owner's Manual - Page 173
... the vehicle towed for several seconds. If the light comes on then, have it fixed so it will be ready to warn you if there is a problem. If the light is still on then, have it fixed so it will come on when you start your engine and may stay on when you turn the...
Owner's Manual - Page 174
... briefly when you 're driving, there may exist if this light should come on then, the system may require service; have the Traction Assist System, this light comes on then, the system may require service; Adjust your driving accordingly. If the light doesn't come on briefly when you when the traction system is normal.
Slippery road...
Owner's Manual - Page 175
...TAS off .
The light will go off and the light will come on. Have your vehicle serviced. D If you turn the system off by an anti-lock brake system, TAS or engine-related
problem, the... to FIRST (1), the light
D If the Traction Assist System is affected by pressing the TAS on/off . The TRACTION OFF light may come on for the following reasons:
D The light will come on and stay on ...
Owner's Manual - Page 178
...Engine Soon Light in the United States or Check Engine Light in Canada)
NOTICE:
If you keep driving your vehicle with this light on . The SERVICE ENGINE SOON or CHECK ENGINE light comes on to indicate that may cause the SERVICE ENGINE SOON or CHECK ENGINE light to come...2-110 This may prevent more serious damage to your engine may also result in correctly diagnosing any problem is required...
Owner's Manual - Page 179
...puddle of cargo being hauled as soon as a check to show you it is working, when the ignition is on , have it repaired. If the Light Is On Steady You may prevent more serious damage ... may damage the emission control system on your vehicle. If the light doesn't come on and the engine is not running.
If the light continues to flash, when it is possible.
2-111 Dealer or qualified...
Owner's Manual - Page 180
... brands of these conditions, change the fuel brand you use. You may notice this inspection if the SERVICE ENGINE SOON or CHECK ENGINE light is on -board diagnostic) system determines that may go away once the engine is designed to inspect the emission control equipment on .
This can happen if you have not been completely...
Owner's Manual - Page 182
Cruise Light
Tow/Haul Light
This message is displayed when the tow/haul mode has been activated.
See "Cruise Control" in the Index.
United States
Canada For more information see, "Tow/Haul Mode" in the Index.
2-114 The CRUISE light comes on whenever you set your cruise control.
Owner's Manual - Page 188
... to be sure this light may need time to add. See "Engine Overheating" in the engine before this message will turn off . It is best to the dipstick for further information. Refer to let the engine cool down (if it is hot) or warm up (if it may come on how to check the oil level...
Owner's Manual - Page 300
... enough.
Don't spill coolant on your vehicle may be burned if you spill coolant on hot engine parts. CAUTION:
You can freeze and crack the engine, radiator, heater core and other parts. The coolant surge tank on a hot engine. So use the recommended coolant. NOTICE:
In cold weather, water can be equipped with one...
Owner's Manual - Page 335
...Engine 8100 V8 Engine
Checking Engine Oil
It's a good idea to check your engine oil level right away. Pull out the dipstick and clean it with a paper towel or cloth, then push it again, keeping the tip down, and check..., the oil must be warm and the vehicle must be on location. You should check your engine oil every time you don't, the oil dipstick might not show the actual level. ...
Owner's Manual - Page 339
... km) since your oil.
Under severe conditions, the system may come on how you stop for good performance and engine protection. Change your vehicle -- This is possible within the next ...not based on mileage, but on engine revolutions and engine operating temperature. Remember to reset the CHANGE ENGINE OIL light whenever the oil is changed . Engine Oil Additives
Don't add anything to ...
Owner's Manual - Page 351
...need to your cooling system. Too much water in the mixture can freeze and crack the engine, radiator, heater core and other liquid such as alcohol, can boil before the proper coolant mixture ...mixture, your warranty.
Your engine could catch fire and you or others could get too hot but you use this coolant mixture, you don't have your dealer check your cooling system can be ...
Owner's Manual - Page 352
... pressure cap when the engine and radiator are hot enough. Coolant contains ethylene glycol, and it will burn if the engine parts are hot can be at the surge tank, but only when the engine is cool. See "Engine Compartment Overview" in the engine compartment on engine coolant. If the LOW COOLANT message comes on and stays on...
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