2000 neon engnie light is on.?
by on Friday, March 19th, 2010 | 7 Comments
temp. gauge goes from cold to hot back to cold, engine revs, then dies and then revs again. checked oil fine. has 166,220miles on it.
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Computer may need to be reset or possible the temp sensor is giving a bad reading.
It needs sever help!! take it to the junk yard.
Take it to the dealer and have them check it out. I mean Dodge dealers are the best…and while you are there, take a look around the lot. I am positve that you can get a realy fine used Neon for around six thousand or so…while you’ll be putting yet another five or six hundred or so into that old Neon…come on, work the numbers, it makes no sense to keep the old Neon. I went through this recently with a Neon. Got an awesome deal on one. You are worth it. Treat yourself right.
Check the coolant level.Make sure the coolant recovery bottle is full and if it is low then carefully remove the radiator cap (safer to do with the engine cold) and make sure it is full. If the coolant level is low then obviously the Gage will not read correctly and since the idle speed on newer vehicles is controlled by a computer the computer reads the temperature of the engine thru a sensor on the engine so as to control the idle speed. Note tho that there are 2 different sensors one for the Temp. Gage and one is used strictly for the computer but if low on anti freeze both will be inaccurate.
Check the egr value or whatever behind the manifold. You could either need it completely changed or cleaned the valve out.
Or go to an Auto parts and let them run your codes and see what that comes up as. Which should be free
you need to find out what the code is if you want some help but very possibly a vacuum leak or a wiring issue
turn the ignition off and on three consecutive times to find out the codes ( there are some that need to be found with the scanner). The check engine light will flash with the number for the code. Such as if it flashes twice then that would be the number 2 and so on. Write them all down and in a Haynes Manual they have the listings for the codes.