Question about 1997 Chevrolet Lumina

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Engine coolant indicator light

I just had an oil change, and supposedly all the fluids were checked and topped off. I now have a "LOW COOLANT" indicator light blinking on and off when I start and run the engine. The engine coolant container is at the proper level, so I would like to know if there is a reset for this indicator light,, or what other problem may be causing this to happen, especially since I just had the oil change done earlier this afternoon, and now all of a sudden this light is blinking on and off. I have owned this car for 11 years now and this is the first time I have ever seen this indicator come on.

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  • Anonymous Mar 09, 2009

    I have 1999 lumina. The low coolant light began to flash but my care was not running hot. The next morning I checked my coolant level and the radiator was full. Brought car to mechanic and had my radiator flushed, but the indicator light is still flashing.

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Try turning the key half way but dont turn on the car and hit the gas pedel three times

Posted on Jul 15, 2008

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My check engine light has come on at 85500 miles, but I had taken it and had the oil changed and all fluids checked the day before. Had someone put it on the code reader and it said coolent low, checked...


You can reset the cel with the scanner-or disconnect the negative battery cable and leave it off for about 5 minutes-if it comes back on, you do have a problem and the code you get needs to be investigated. A low coolant sensor should not set a check engine light, what was the actual code (the number)?

Aug 07, 2011 | 2003 Volkswagen Beetle TDI

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I changed my oil two days ago. the oil light pops up only when i stop or breaking. Why is it doing this?


engine damage
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low oil pressure
bad oil pressure switch
bad engine ground
bad oil pressure switch connection or wiring
incorrect or clogged oil filter
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Aug 02, 2011 | 2005 Chevrolet Aveo

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Just got an oil change and the oil change light is still coming on (it was doing this before I got it changed and the time before that) but now, the low coolant light is on as well...they checked all the...


To clear the oil change light,turn the key to on,and press the accelerator pedal three times real slow within 5 seconds,this will clear the light,now on the coolant light sensor,low coolant,remove the sensor on the passengers side of the radiator,it has a wire clip,so use a small pick,with a slight hook on it,the sensor is square,and flat,You will see,it needs to be cleaned out,most likely with air pressure,then put the clip back on the sensor,and it will snap back on,refill the radiator.If this was at all helpful,please rate,I have a 2000 montana myself,

Jun 28, 2010 | 2000 Pontiac Montana

1 Answer

Fluid indicator light is on - different than washer fluid. What's low? It's not oil.


Check with your car's user manual, it could be anything from brake fluid to transmission fluid or engine coolant. If you don't have user's manual simply check the fluid level on mentioned items.

May 20, 2010 | 2002 Audi TT

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Coolant level low light comes on and coolant level is not low in reserve tank or radiator.


There is a TSB for this problem. Here it is.


Bulletin No.: 04-06-02-007

Date: August 11, 2004

TECHNICAL

Subject:
Low Engine Coolant Level Indicator Always On (Diagnose Low Coolant Level System Operation/Check Sensor for Oil Contamination)

Models:
2000-2002 Buick Century, Regal
2000-2001 Chevrolet Lumina
2000-2002 Chevrolet Impala, Monte Carlo
2000-2002 Pontiac Grand Prix
2000-2002 Oldsmobile Intrigue


Condition

Some customers may comment that the low engine coolant level indicator is always illuminated.


Cause

The cause of this condition may be due to engine oil contaminating the coolant. Possible sources of oil contamination are internal engine leaks, improper service procedures, or the addition of some types of anti-leak additives to the cooling system. Once in the coolant, the oil leaves deposits on the level sensor creating an insulating film. This film results in a false activation of the coolant level indicator.


Correction

Diagnose low coolant level system operation and check the sensor for oil contamination using the procedure listed below.


Important: No coolant supplements should be used in GM cooling systems, other than what is approved and recommended by GM. The use of "aftermarket" over-the-counter sealing and cooling supplements may affect the operation of the low coolant level sensor. Discoloration of the coolant recovery bottle is normal and does not necessarily indicate that coolant contamination is present. Flush cooling system only when instructed by this bulletin.

1. Verify that the coolant is at proper level in the radiator and the coolant recovery bottle. If the coolant is low, add proper amount of 50/50 water and DEX-COOL(R) mixture. If the low coolant light operates properly, diagnose the cooling system for loss of coolant as outlined in SI. DO NOT proceed further with this bulletin.

2. Remove the low coolant level sensor. Refer to Coolant Level Module Replacement in the Engine Cooling sub-section.

3. With the key on, the engine off and the coolant level sensor disconnected from the vehicle wiring harness, observe the low coolant light:


^ Light is on - Chassis wiring or instrument cluster concern. Follow the appropriate diagnostic information in SI.

^ Light is out - Proceed to Step 4.



4. With the key off, connect the coolant level sensor into the vehicle's wiring harness. Connect a ground wire (1) to the battery negative terminal. Using a sharp probe (3) attached to the ground wire, ground the coolant sensor probe (2) as shown in the illustration. Make sure a good contact is made. With the key on and the engine off, observe the low coolant light for at least 15 seconds.


^ Light is on - Replace the low coolant sensor and re-check system operation.

^ Light is out - Proceed to Step 5.


5. Using a small wire brush or emery cloth, polish the low coolant level sensor probe to remove any film or oxidation. The probe should be a bright brass color when finished. Use Brake Parts Cleaner to flush removed deposits from the low coolant sensor probe. Re-install the low coolant sensor into the vehicle and proceed to Step 6.

6. Flush the cooling system and install new DEX-COOL(R) mixture as outlined in the SI. Check the vehicle's warranty history to determine if any engine gasket had recently been changed. If there has not been a recent gasket replacement, locate and repair the source of the engine oil contamination.


Oct 31, 2009 | 2002 Chevrolet Monte Carlo

1 Answer

What is the check gauges light


CHECK GAGES light (1) indicates a potential engine failure(low oil pressure, low coolant, coolant overheating) has occurred.
· Check gages and shut down engine. Gages should read as follows: Oil pressure 5 to 10 psi (34 to 69 kPa) at idle; Water Temp gage below 230 degrees (110 C).
· Check engine oil level (Para 2-11) if OIL PRESS gage indicates low reading. Check coolant level (Para 2-11) if Water Temp gage indicates high reading. Notify Unit Maintenance if levels are low.

If CHECK ENGINE light (2) is on, check engine oil pressure gage (3) and water temperature gage (4). If both indicate normal, proceed with mission and then notify Unit Maintenance. If either one does not indicate normal, stop engine immediately and notify Unit Maintenance


Oct 16, 2009 | 1999 GMC Jimmy

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96 Dodge Neon, not you average overheating issue


If the car runs good, and as long as you're keeping up with your regular oil changes, using the correct fluids (coolant, oil, fuel, etc), all coolant hoses are fresh, no leaks or excessive corrosion/contamination, and you followed all procedures correctly, then I suppose it could be the coolant temp sensor or related wiring/ connections. Normally this would trigger the cel (check engine light)...does it come on periodically when you turn the key on? Unfortunately, there are some dirty dealers out there who will tamper with this light (ex:remove the bulb) b4 selling. Have it scanned anyhow. If the check engine light works at startup/no codes, double check the thermostat. Did you flush the system b4 installing the water pump? Otherwise there may be some kind of blockage (or air) in the coolant passages. Don't get frustrated, and diagnose the ****** one step at a time. Good luck, hope this helps!

May 18, 2009 | 1999 Dodge Neon

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Radiator coolant


I hate to be the one to break it but it make be your head gasket I had the same problem first they thought the thermostat then I was left on the side of a high way in the de4ad of winter

Jun 07, 2008 | 1996 Pontiac Trans Sport

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