Question about 1997 Mercury Tracer

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The check coolant light has been on for about two weeks. I took it to a garage and they determined that it was my heater core. A few days later and the radiator fan is running after I turn off my car and there is a intermittent idle every once in a while. related to the heater core?

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Well, the low coolant light could have been on if the heater core was leaking coolant.
If the heater core was replaced and the radiator is now full of coolant, the low coolant light should be off.
The radiator fan can run for a minute after the engine stops to make sure the engine does not overheat. This can be a normal event for some models as long as it does not run for more that 3 or 4 min.
What kind of idle problem ??

Posted on Jan 22, 2013


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Posted on Jan 02, 2017

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SOURCE: No heat. Temp gauge barely moves, but hoses to/from core are hot

Did you run engine from cold, with heater (not defrost) on , rad cap off & wait for rad fan to come on 2 or 3 times before you put rad cap back on? Rev engine slightly and hold it there for 30sec. to 1 min. every once in a while while doing this to aid in increasing flow & remove air locks. If both hoses in & out are hot to touch, then you should be getting heat, and I would start looking at blend/air door etc on heater to make sure it's going to it's proper position.

Posted on Jan 02, 2009

  • 659 Answers

SOURCE: Car not idling adn stalling when it is cold

sounds like the idle control vale is sticking when it is cold. It is located on the throttlebody right at the air inlet

Posted on Mar 01, 2009

  • 6982 Answers

SOURCE: Recently my check engine light came on and I took

O2 sensor will not shut the engine down. You're going to need to have this checked out. Code test & physical inspection.

Posted on Apr 05, 2009

  • 477 Answers

SOURCE: temp guage showing hot, not getting any heat for 1992 Mercury Cap

If the hoses to and from the heater core are hot , and you say the heater core is hot , then the only answer is that the air duct that flows into or out of the heater core plenum ( housing ) is not opening.
Heater control on dash borad inoperative.
Not sure about 92 capri , some cars have a cable linkage , some work on vacume motors.
Try to find a haynes manual for your car , they will walk you through almost every step of anything you may ever want to do to your car.

You seem to know what you are doing , but I gotta ask ........the heater core you felt was up behind the dash inside the passenger compartment of the car right ?

Posted on May 10, 2009

  • 21 Answers

SOURCE: 2002 Mercury Sable-shakes with acceleration

You describe this as an acceleration problem however, if the car does throw a check engine light it should be recorded in system memory so it can be pulled by scanning with and OBDII scanner. It sounds as if the car is being starved for fuel on acceleration. Check the fuel lines for kinks as well as check the fuel pressure. The problem could be a faulty fuel pump that has yet to completely die.

Posted on May 21, 2009

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