Question about 2002 Ford ZX2
A couple of days ago I replaced the engine coolant temperature sensor on a 2002 Ford Escort ZX2 after the service engine light came on and everything seemed fine at first. The car idled better and the temperature gauge went up (only to about 1/4). We drove about 80 miles through country roads and then the light came on again. I took it to autozone and the guy told me that the coolant temperature was running low. Then I explained I just replaced the engine temp sensor and unplugged the battery...he told me that we need to continue driving it because it needs to run through the systems and such. Is there any truth to that? Also, after he mentioned something about the car thinking it was running cold and using up gas I checked and noticed that we burned an extraordinarily high amount of gas. Any advice? Should I keep driving it, replace the thermostat? Also, I did not coat the threads (although there aren't actual thread) with Ford Pipe Sealant with Teflon® D8AZ-19554-A could that pose a problem. I have checked to see if there is a leak out of there but haven't noticed one.
So what your telling me it was a check engine light then and not a service engine light? These are two totally different things. If you can give me the original code if you remember it that would be great. But as for the aftermarket sensor i would goto Ford and get the original one it is probably the same price. The models vary so much on the same year and type engine. I would go to dealer and bring your registration with yo so you have the VIN number and get the right one. I worked on an 98 escort and the thing had 5 variances of the PCV valve. So go there and get correct one. If you can just check any breaks in wiring from that sensor as far as you can see. A break in wiring would make the car think it is always cold. This sensor might not work your gauge at all sometimes it is a totally different sensor so make sure you are replacing the right one. Check all over the coolant flanges and make sure you dont see any more sensors. If you goto the dealer they will show you where the correct one is. Autozone probably sold you a temperature sender which is for the gauge. You need a temperature sensor..... I stress going to dealer they will be more than glad to help.
Posted on Feb 19, 2009
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Posted on Jan 02, 2017
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