Question about 1999 Hyundai Sonata

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ECT CODE P0115 - 1999 Hyundai Sonata

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Posted on Jan 02, 2017

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junmag
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SOURCE: engine code p0115

replace the sensor and or check the wiring socket going to the sensor

Posted on Jun 02, 2009

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ghost4548
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SOURCE: engine code p0115

The Engine Coolant Temperature (ECT) sensor is located in the coolant passage of the cylinder head. The ECT sensor is a variable resistor whose resistance changes as the temperature of the engine coolant flowing past the sensor changes. When coolant temperature is low, sensor resistance is high; when coolant temperature is high, sensor resistance is low. The Engine Control Module (ECM) checks ECT sensor voltage and uses the information to adjust fuel injector pulse width and ignition timing. When the temperature sensed is very cold, the ECM enriches the fuel mixture and advances ignition timing. As coolant temperature rises, the ECM reduces the amount of enrichment and timing advance. ad5a8e2.jpg P0115 is set when the ECM doesn't see this resistance (usually an open circuit) which usually means the sensor is burned out when there's nothing wrong with wiring and connections between the sensor & the ECM.

Posted on Jun 02, 2009

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1 Answer

Code P0115 Check Engine light on, fan runs continuously at high speed


The ECT sensor needs a power and ground to operate. It uses resistance to create a signal that is sent back to the computer. You can use a volt meter and check the plug for a 5 volt reference on one wire and the other wire will be a ground. If no 5 volt reference, look for a burned out fuse or broken/damaged wiring. A scan tool that shows data would be very helpful in knowing what the sensor is reading. The sensor may be reading properly and the problem may be due to a low coolant level or defective thermostat

Jan 05, 2016 | 1998 Mercury Villager

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What is the code cc1450 po 115 ?


P0115 Engine Coolant Temperature Circuit Malfunction

www.obd-codes.com/p0115
Detailed information on troubleshooting and repairing a p0115 automotive trouble codewhich refers to a malfunction in the engine coolant temperature circuit.

Sep 17, 2015 | Cars & Trucks

1 Answer

Cadillac diagnostic codes


P1112: intake plenum switchover valve control.
P1740:Torque management request circuit.
P0115:ECT sensor circuit.
P50501: NO informations, mabe

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1 Answer

NO POWER TO SPARK PLUG toyota noah 2003 showing error code p0105, p0110, p0115. some one help me plz.


code p0105 refers to manifold absolute pressure (MAP) sensor/ barometric pressure (BARO) sensor--circuit malfunction===causes --wiring---MAP sensor--BARO sensor--ECM
code p0110 refers to intake air temperature (IAT) sensor--circuit malfunction===causes---wiring ---IAT sensor--ECM
code po115 refers to engine coolant temperature (ECT) sensor--circuit malfunction===causes---wiring--ECT sensor---ECM

Dec 25, 2013 | Cars & Trucks

1 Answer

Trouble code p0135, p0303, and p0115


your guessing and then ask us to guess?
why not look in the FSM , it answers that.
or at alldata.com
im there now...

303 is cylinder #3 Misfire. can be caused by 3 things. (ask)
135 is front oxygen sensor heater bad, or wires to are BAD.
115 ECT coolant sensor reads shorted. (beyond north pole cold)
bad ECT , bad wires to it or ECU power it , wrong, dead or weak.

fix 115 first. , then 135 (both are hard failures, DEAD)
last : ever do a tune up, every?
303 can be , just a bad spark plug , injector or burned valve.

the tests for both 115 and 135 , are in the FSM and presented
at alldata.com.
in fact the tests are same for all cars. 1996 and newer in uSA.
are you handy?
or just want us to take a wild guess.
here is my wild guess.
1: ECT wires shorted.
2: front 0xy sensor is bad. replace it.
3: a tune up fixes, 303, (new spark plugs,wires cap and rotor) and air/fuel filters. like magic the #3 stops misfiriing... (your lucky day not a burned valve and $1500 fix)
all my guesses are wrong, but felt id do it to show the folly.
better is the RTM read the manual, do the tests and find truth.
we never guess. we do that tests.

Nov 29, 2013 | 1996 Toyota Tercel

1 Answer

I just had the ECT sensor replaced after getting the OBD code P0115 but it still won't start right up and still displays the previous symptoms that led me to change the sensor in the first place (going...


It's possible you have a dirty air intake system (throttle body butterfly valve may be dirty, or even the MAF. However it is hard to say without having sensor data to analyze

Aug 11, 2010 | 2001 Hyundai XG300

2 Answers

1995 millenia fault codes PO400 and PO 115what has to be done to fix these.


The P0400 has to do with a fault in the EGR (Exhaust Gas recirculation) system. The possible cause is leak or blockage, wiring, EGR Valve or EGR solenoid or the ECM.
P0115 has to do with the ECT (Engine coolant sensor) possible causes for this fault is wiring or the Engine coolant sensor itself or the ECM.
I believe I have the testing for both of these if you need them. Send me your email and I will send you the test procedures if you are familiar with how to use Ohm meter and a vacuum tester.
outdoorsman592003@gmail.com

Sep 15, 2009 | 1995 Mazda Millenia

1 Answer

Year 2001 XG300 P0115, P1159, P1191, P1193, P0115


P0115 - Engine Coolant Temp Sensr - open/short
P1159 - Variable Intake Motor Malfunction

P1191/P1193 Limp Home Valve - Low RPM

First, clean the throttle body and check for anything which might obstruct AIR FLOW to it.

The P1159 is the Variable Intake Motor Malfunction. this motor is either 'OPEN'... or 'CLOSED' position. It is located on/in the intake manifold (plenum) and is only opened when cruising... it is closed at idle. If it sticks 'OPEN' is can cause drivability issues.

Aug 10, 2009 | 2001 Hyundai XG300

1 Answer

Location of engine coolant temp sensor 2001 Hyundai XG300


dear friend-your cooler temp sensor is located next to the thermostat housing,the code says system malfunction,plse check the following:wiring,ect sensor,ecm

Jul 06, 2009 | 2001 Hyundai XG300

2 Answers

Engine code p0115


replace the sensor and or check the wiring socket going to the sensor

Jun 02, 2009 | 2001 Hyundai Elantra

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