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November 28th, 2011 01:58 PM #1honda civic a/t 99 vti
problema overheat,
na top overhaul na napalitan na ng mga hose thermo switch, thermostat, overhaul ng radiator, palit narin ang rad fan. naglagay narin ng coolant.
pero taas parin ng po118 ang truoble high voltage sa thermos switch.
ask ko lang kung may ng poprogram ba ng ecu na wala pwedeng controlin yung kun saan pwede heat degrees ay mag oo na yung thermo switch?
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November 28th, 2011 02:22 PM #2dtc P0118 is for the engine coolant temperature sensor not the thermoswitch. P0118 is for high temperature reading too high. check the connector to the ECT sensor for a reference voltage of 5 volts on one wire and check the resistance on the ground wire for the sensor. your cooling system might need to be bled
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November 30th, 2011 06:49 PM #3
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December 1st, 2011 08:21 AM #4
you car's electronics runs on DC, yes that is 5 volts DC provided for by the PCM to the sensors. by bleeding the cooling system means ridding the engine, radiator and heater core of air pockets. the sensor might not be in touch with the coolant and is taking the metal temperature of the cylinder head
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December 7th, 2011 12:46 PM #5sir ask ko lng po tinanggalan nyo po b ng thermostat.? check nyo n lng po kung meron o wala kc pag wala po ung thermostat lalo lng po mag over heat ang car... nakalagay po un sa return...
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December 7th, 2011 01:03 PM #6
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December 13th, 2011 11:35 PM #7
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December 14th, 2011 05:56 PM #8
as from the first post, the cylinder head had been removed and serviced, thermostat replaced, thermoswitch replaced, radiator fan replaced, etc. have you checked the engine vacuum at idle? if the engine vacuum is lower than 17 inches of mercury (17-21 inHg for stock camshaft, normally aspirated engine), then there is a leak supplying false air to the engine and making the air fuel mixture lean and raising the combustion temperature. if you see in a scan tool if the oxygen sensor output is pegged lower than 450 millivolts for extended period of time, this is a confirmation that there is a vacuum leak. the vacuum gauge most of the time also tells if the ignition timing is too advanced. both over advanced ignition timing and vacuum leak are causes for engine overheat
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December 15th, 2011 01:42 PM #9
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December 15th, 2011 01:44 PM #10
any feedback for America Lumina Nano Ceramic ? which better between Sunblock Ceramic vs Lumina...
What's the best car tint brand and color?