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You are watching: P1299 cylinder head overtemperature protection active


I looked it up on mine scanner and also it come out w/. "cylinder over temp, defense active.what does that mean?
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P1299 - Cylinder Head end Temperature Protection active Indicates one engine overheat problem was recognize by the cylinder head temperature (CHT) sensor. One FMEM Strategy called Fail-safe Cooling was caused to cool the engine. Engine cooling device concernsLow engine coolant levelBase engine concernsRefer to section 1, Powertrain manage Software , for an ext information top top Fail-safe Cooling Strategy and also cylinder head temperature sensor.
so your pretty lot saying i"m walk to need some much more coolant or adjust my redline water wetter to typical coolant because that the cold temperatures?
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Honestly, i don"t understand the service procedure, the is just the extra information on the code.Were that me, I"d inspection an yes, really overheat condition... Or look in ~ the CHT sensor itself.Do you recall your emphasis dropping come 2 cylinders in ~ any allude in the current past?
the CHT sensor is behind the alternator so you"ll have to undo teh belt, remove teh 2 mount bolts and also slide the outa the way.you shouldn"t need to remove that completely, just gain it outa teh way.you"ll view the sensor wiring behind it.
2013 Subaru Impreza WRX
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i"d also recommend do a coolant flush and also fill with 50/50 and also no water wetter.http://www.redlineoil.com/whitePaper/17.pdf
Freesing point Depresson
Red line WaterWetter go not considerably reduce the freezing point of water. If the auto will check out freezing temperatures, an antifreeze have to be used. Water expands about 9% upon freeze which can reason severe engine damage. Also in summertime, the usage of the air-conditioning deserve to blow freezing air through the heater and cause freezing of the heater main point unless approximately 20% antifreeze is used.
I"d suggest not using the water wetter in the winter.and walk to a continuous 50/50 mix of antifreeze and also distilled water.

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2013 Subaru Impreza WRX
| strict | focused | 2002 emphasis ZX3 | 2009 Volvo C30myFlickr<FJ> | Sponsors | Store | Guidelines | Ext. How-To | Int. How-To | Mid-Atlantic | <FJ>
my vehicle has hit 2 cylinders today, since one of my plug wires space separated ~ above the inside, and also i"ve to be riding on those for the last pair of days till I discover my stock wires.....(my stupidity) my vehicle is idling good now.....but i think that"s since the examine engine irradiate is on placing it in "defense mode" or w/e it"s called......also, ns think i"m walk to perform a coolant flush tomorrow morning : )
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