Question about 1997 Pontiac Sunfire

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I have been using the wrong coolant. Not dexcool. Could this be why my check engine light is going on? thank you Amanda Moore

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Hi Amanda, it is not very likley that the coolent is causing the check engine light, unless it is low and over heating. most auto parts stores will hook up a diagnostic tool and give you the code and definition for that code for free, so that would be a good place to start. Ihope this helps you, good luck !

Posted on May 10, 2010

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SOURCE: I have been using the wrong coolant. Not dexcool.

useage of wrong coolant should not set off check engine light do you have a auto zone store near you if so they will do a code retrevial for you it will tell you what caused light to come,it,s free are you having to add lot of coolant if so ther may been underlying problems that may have caused your light to come on

Posted on Mar 16, 2010

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I have 2000 olds intrigue 3.5l. Jump on gas the other day temp gauge shot upand overheating light came on. I changed thermostat car still overheats. Not blowing white smoke like head gasket is blown....


Mine did that last summer and is now fixed. When was the last time you flushed the cooling system? If you use DexCool it turns into large clumpy pieces that can't go through the radiator. If you flush it and put in new coolant (not DexCool this time) and it's still hot, you'll need a new radiator instead of a radiator flush probably, as there will probably be DexCool "clumps" in the radiator that won't let your coolant go through it to cool your engine. Best wishes - and get someone good to do it, it's a lot cheaper than replacing the engine!

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2005 equinox blows cool air until engine has been running. then much later when heat is on heat begins to feel a [tad] lukewarm after then. what type or brand of coolant should be used in this vehicle/...


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Again....check the jug for use compatibility.

Be careful you don't buy PRE MIXED and dilute it, thinking it is pure antifreeze that needs mixing 50/50 with water.

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There are several Technical Service Bulletins on this year Saturn for intake manifold gasket leaks for one, but it could be from a lot of places.

Washing the engine and letting it dry, then running it the next day and hunting around with a flashlight may help pinpoint the problem area. Check hose clamp areas of course.

For difficult leaks they make a Dex-Cool compatible UV Dye that can be seen with a UV light at a repair shop.

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Hello restrada.

Your Pontiac original specification calls for Dexcool coolant.
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Thank you for using FixYa.

KL

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DexCool is only a few bucks more per gallon, and your car only hold about 2 gallons total. I just flushed my car and used Havoline brand DexCool. Just make sure whatever brand you buy, it say DexCool on it. And make sure that you either premix it to be 50/50 coolant/water, or buy the premixed stuff. Like I said, you'll need about 2 gallons of mixed 50/50 if you flushed the engine out.

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I have been using the wrong coolant. Not dexcool. could this be why my check engine light is going on? thank you, Amanda Moore


useage of wrong coolant should not set off check engine light do you have a auto zone store near you if so they will do a code retrevial for you it will tell you what caused light to come,it,s free are you having to add lot of coolant if so ther may been underlying problems that may have caused your light to come on

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