Question about 1999 Volkswagen GTI

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Hi codes came up coolant temp sensor g62 implauseable signal [po116] where is the sensor?

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Front of engine right hand side coming from head is a outlet with a hose pipe to rad coming from it ,on top is the sensor ,now some models have two sensors here and later ones use one sensor ,if two sensors then its the back one and their held in by a horse shoe clip with a rubber seal under neath

Posted on Mar 12, 2011

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Thermastat replacment


PO116 has nothing to do with the thermostat, but rather indicates the engine coolant temp sensor is out of range, which usually means the sensor has failed. Very common problem, and as this part tells the ECU how to adjust fuel ratio to current engine temp it acts sort of like the choke on an older carburetor type engine. This part is usually very easy to change, and relatively inexpensive. Your parts store should have a component location chart to show where it is one your engine. NOTE: there are often two coolant temp unit--one called the Sender is for the dash gauge, while the Sensor is for the ECU.

Oct 14, 2016 | Cars & Trucks

1 Answer

Ligth "on"service engine soon


Po116 is a code for coolant temp sensor out of range. I would check the temp sensor data with a scan tool to see what it is reading. If it is lower/higher than it should be than there are a couple of possibilities.

1. the coolant temp sensor is bad (or possibly the wiring to and from it)
2. there may be an issue with the thermostat.

Reading live data with a scan tool would be a good start. The temp sensors are not that terribly expensive and fairly simple to replace. It wouldn't be a bad idea to start with replacing it if you don't have access to live data on a scan tool.

let me know what you find or if you have any questions. Thank you for using fixya.com!

Feb 01, 2012 | 2001 Chevrolet Tracker

1 Answer

2006 Chevy Impala V6. Occasionally one or both check engine or over heat dash lamps illuminate. When this happens temp gauge fails and AC doesn't work. Can have trouble starting when this condition...


PO116 Engine coolant range tempreature circuit.
I would change the temp sensor and first make sure the coolant is full in the rad with no air in the system.

Aug 15, 2011 | Chevrolet Impala Cars & Trucks

1 Answer

The following codes show up on my 2006 chevy colorado PO106 PO116 PO455 PO446 PO496 PO036 PO030


All these codes indicate that maybe you lost your reference signal from the computer. What someone will have to do is check fo voltage and grounds from the PCM on the coolant temp sensor, Both 02 sensor heater circuits, the evap purge solenoid and the gas tank pressure sensor. Its possble the computer failed or you poped a PCM fuse in the fuse box under the hood. The cover should have a legend to tell you which is which but I would pull all of them and inspect anyways.

Apr 20, 2010 | 2006 Chevrolet Colorado

1 Answer

Error code po0117. Vw beetle


16501/P0117 - Engine Coolant Temperature Sensor (G62): Signal too Low 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 seldom idle rpm will 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 warming up.
    • Diesel: an indication is extreme long time burning time of the glow indication light.
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 MY 1995-2002 (?) in Europe at VW-cars the G2/G62 had the bad reputation of breaking down often. The default G2/G62 is black and all replacements are green.

Mar 21, 2010 | 1999 Volkswagen Beetle

1 Answer

Code po116 , tempture guage stays on cold, both fans are runing put 2 thermostes new. possible codes po520 po340


it peobably needs a new coolant temp. sensor thats what the po116 stands for. or it could be loose connector or wire short, but a bad sensor would be a good guess

Mar 20, 2010 | Chevrolet Malibu Cars & Trucks

2 Answers

Fault code on my vw mk4 19497 implausible engine temp. message from inst panel p3041


VAG TYPE 5 DIGIT 19497 EOBD TYPE P3041 FAULT LOCATION CAN DATA BUS INSTRUMENT-IMPLAUSIBLE ECT SIGNAL PROBABLE CAUSE WIRING MATCHING RESISTOR IN ECM

Mar 04, 2010 | 2003 Volkswagen Golf

1 Answer

2004 vw beetle code p0117 how to fix


P0117 Engine Coolant Temp Sensor Circuit Low Input

ECM detects short circuit in wiring or engine coolant temp sensor (G62)

Feb 22, 2010 | 1998 Volkswagen Jetta

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

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