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Eric
Eric, Automotive Repair Shop Manager
Category: Ford
Satisfied Customers: 32550
Experience:  Automotive Repair Shop Manager, Technician
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My 2003 ford mustang is showing a code P1285 after checking

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Hi there... My 2003 ford mustang is showing a code P1285 after checking it with my FIXD gadget
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: My car's temperature gauge for the coolant ran hot and i'm trying to narrow down the possible cause.
JA: Are you fixing your Mustang yourself? What have you tried so far?
Customer: The code is reading P1285
JA: Anything else you want the mechanic to know before I connect you?
Customer: No im going to take it to a mechanic

HI,

Ok, I need to know if yours has the v6 or v8 engine

Customer: replied 1 month ago.
I also have a printout and it show that Engine and it reads Engine coolant temperature:248.0 F. It's a v6
Customer: replied 1 month ago.
Hi Eric, I'm not sure if we are still connected to chat?

HI,

Yes, we are. I am checking the code now. give me a few minutes

Customer: replied 1 month ago.
Ok, thank you.

HI,

P1285 is for engine overheat temperature detected by the cylinder head temperature.

Possible causes are sticking thermostat, internal leak of the headgasket or intake manifold, external leak, faulty water pump, cooling fan, or restricted radiator.

The first step will be to do a cooling system pressure test to check for external leaks as well as loss of pressure and no external leak indicating either headgasket or intake manifold.

If it holds pressure, then the water pump, thermostat and radiator will need to be tested.

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Eric and 4 other Ford Specialists are ready to help you
Customer: replied 1 month ago.
Ok Great, thank you very much!