Question about 2001 Buick LeSabre

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High idle Check engine light is on and throwing a p0118 code

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  • Buick Master
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Code 118 means the engine temp sensor is sending a signal out of range to the computer. The signal is higher than 250 degrees.
The sensor and wiring would need to be checked.

Posted on May 09, 2013

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3 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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nicole99wu
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SOURCE: I have a 99 Buick century . And the code reads

this is an obd2 trouble code table, it can help you understand the meaning of code.
and for this code, you can try this:
First, if you have access to a scan tool, check the reading of the coolant sensor. Does it read a logical number? If so, the problem is likely intermittent. Perform a "wiggle" test by wiggling the connector and harness to the sensor while watching the reading on the scan tool. Watch for any drop-outs. Drop-outs would indicate a bad connection. If the scan tool reads an illogical temperature, check the resistance of the temperature sensor. If it is out of specs, replace it. If it is in specifications, unplug the sensor and, using a fused jumper wire, jumper the two terminals of the connector together. The temperature reading should now be maxed out to above 250 degrees F. If not, there is likely a problem with the ground circuit or voltage supply.
Check for 5 volts reference voltage at the connector. Also check for ground presence at the connector. If you do not have 5V ref. and/or ground continuity, check for these back at the PCM connector. If you have these at the PCM connector, then repair open or short between the PCM and the sensor. If you do not, remove the offending wire from the PCM and then check for proper voltage at the PCM pin. If it's present now, repair short on the circuit. If it isn't present after removing the wire and checking the pin, replace PCM
NOTE: Usually, P0118 is indicative of a bad temperature sensor, but doesn't rule out these other possibilities. If you're unsure of how to diagnose a PCM, do not attempt.

Posted on Jul 28, 2011

elshaddai159
  • 1016 Answers

SOURCE: 95 Buick Lesabre, stalling and

Hi,
This sounds like you have a problem with the IAC (Idle Air Control Valve) or the wiring circuit which controls it. If you follow the below steps this will help you rectify what is actually causing your idle and stalling problem.
Procedure 1: 1. You will need a Tech 1 Diagnostic tool carry out these test. 2. Once you have this toll installed to the vehicle then run it through the RPM Control cycle test. 3. When doing this test the engine should change idle smoothly
Once you have done this let me know how you get on and I can give you further instructions if needed.
Thanks Jason

Posted on Feb 09, 2011

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1 Answer

Error code p0118


DTC Code P0118 DTC Code: P0118 Description: Engine Coolant Temperature Sensor Circuit High Voltage Probable Causes:
  1. Sensor or solenoid faulty
  2. Connector terminal contact is damaged or corroded
  3. Wire harness - Check harness for correct voltage, open, short to ground or short to voltage
  4. Update control unit software - Check for the latest control unit update
  5. Powertrain or Engine Control Module faulty

Apr 24, 2016 | Cars & Trucks

4 Answers

Cant seem to get the idle are timing locket in seem to idle to high the check engine light stays on


Find out what code the CEL is throwing. It could just be that your idle needs to be reset. Or you got the timing wrong when putting your car back together and it's running excessively hot.

Oct 15, 2014 | 1991 Honda Accord

1 Answer

Codes p 1684 p 0123 p 0118 p 1193 for 2002chrysler town and county


P1684 - the battery has been disconnected within the last 50 starts , pretty much harmless, maybe it's time for new battery or check battery terminal connection.
P0123- throttle position sensor high input - probably broken sensor or wire, mechanic has to check it, engine has rough/high idle
P0118 - Engine Coolant Temperature Circuit High Input
P1193. Inlet Air Temp. Circuit High.
If you have all of those at once, it is not likely that 3 different sensors go bad at the same time. Check harness and connections to ECM,

Oct 16, 2013 | 2003 Chrysler Town & Country

1 Answer

I have an 03 jetta tdi the codes i get are p671-p0118-p0102 dose somone know of a fix


I WOULD CHECK THE ENGINE FOR OVER HEATING FIRST. TEMP HIGH .THAT THE ONE THAT WOULD HURT THE ENGINE. 2 GLOW PLUG HELP TO START.AND LAST MAKE SURE NO LEAKS FROM AIR FLOW METER TO INTAKE CLEAR CODES AND ROAD TEST

Feb 22, 2013 | Cars & Trucks

1 Answer

Engine runs rough if it warms up won't start dtc codes p0118 and p0113 just did head gasket and replaced exhaust manifold all new gaskets new plugs wires and coolant engine timing marks are all c


P0113 Intake Air Temperature Circuit High Input


Low temperature results in a high signal voltage. When the PCM sees a signal voltage higher than 5 volts, it sets this P0113 check engine light code.

P0118 - The engine coolant temperature (ECT) sensor is a thermistor screwed into a coolant passage in the cylinder head. Sensor resistance is high when coolant temperature is low and resistance drops when coolant temperature increases. The powertrain control module (PCM) provides a 5 volt reference and a ground to the sensor. The PCM monitors voltage drop to determine coolant temperature. If the ECT reads less than freezing temp. when engine has been running for more than a few minutes, the PCM determines a circuit fault and sets this code. Or if the PCM determines the sensor resistance is out of specs, this code is set.
Potential Symptoms

Symptoms of a P0118 could include:

  • Very poor fuel economyicon1.png
  • A no start condition
  • Vehicle may start, but run very poorly, blowing black smoke, running very rough and misfiring
  • Illumination of MIL
Causes

A code P0118 may mean that one or more of the following has happened:

  • A bad connection at the sensor
  • An open in the ground circuit between the ECT sensor and the PCM
  • A short in the voltage feed between the sensor and the PCM
  • A bad PCM (less likely)
  • A bad temperature sensor (shorted internally)

Jan 04, 2013 | 2003 Dodge Stratus

2 Answers

Check engine light code p0118


The P0118 is a Engine Coolant Temperature (ECT) Sensor problem. Click on the link below to view how to correct it:

http://www.gminsidenews.com/forums/f53/98-cavalier-code-po118-ect-sensor-circuity-high-voltage-36261/

Sep 14, 2010 | 1998 Chevrolet Cavalier

1 Answer

The check engine light on a 2001 beetle read code PO118 engine coolant temperature circuit high input. what do i do?


16502/P0118/000280 From Ross-Tech Wiki Jump to: navigation, search Contents [hide] if (window.showTocToggle) { var tocShowText = "show"; var tocHideText = "hide"; showTocToggle(); } 16502/P0118/000280 - Engine Coolant Temperature Sensor (G62): Signal too High Possible Symptoms
  • Difficulties with starting a cold engine.
  • Starting the engine when engine is warmish or warm, idle rpm immediately is 1200 - 3000 rpm.
  • RPM at idle is irregular.
  • With all engine temperatures idle rpm will often vary between 900 - 1000 rpm.
  • With engine warm (90 °C) the engine temperature suddenly drops (70 °C) and slowly comes back to 90 °C.
  • Bad acceleration during warm-up.
  • Diesel Engines: Glow plug indicator may be on for a longer than normal time or at ambient temperatures where it shouldn't come on at all.
Possible Causes
  • The electrical signal coming from G62 is too low
  • Wiring and/or connections faulty (short circuit?)
  • Engine Coolant Temperature Sensor (G62) faulty
Possible Solutions
  • Check wiring and connections
  • Check / Replace Engine Coolant Temperature Sensor (G62)
Special Notes
  • In many cars between MY 1995-2002 the G2/G62 had a bad reputation for failing often. The original G2/G62 sensor is black and the improved replacements are green.

Jan 26, 2010 | 2000 Volkswagen Beetle

1 Answer

2001 Kia Optima


P1529 and P0720 does not seem to be understood.

P0715 means Input/Turbine Speed Sensor Circuit Malfunction.

P0118 means Engine Coolant Temperature Circuit High Input.

For more understanding visit:- http://www.troublecodes.net/Kia/

Cheers.

Aug 08, 2009 | 2001 Kia Optima

1 Answer

Kia sedona 2002 error code P0118


P0118- (ETC) Engine Coolant Tempature sending unit, high input. Your ETC is either faulty or has a poor wiring problem. Thank you for using fixya.com

Oct 22, 2008 | Hyundai Santa Fe Cars & Trucks

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