how to test harley temp sensor

Engine Cooling Fan Is Yours Working How To Test It

Jan 13, 2021· Coolant Switch Or Sensor. So, with the engine running and the coolant temperature switch unplugged, the fan should come on. The (PCM) will now detect a failed switch, store a Diagnostic Trouble Code (DTC) and turn on the fan(s).. If it doesn’t, and you have a domestic vehicle; the coolant temperature switch is a normally open type that stays open until the coolant reaches its set temperature.

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Help Needed For A Sick 1998 EFI Road King | Harley ...

Feb 21, 2013· The twin cam temp sensor, by comparison, is located on the back of the front head, just above and beside the intake runner port. It is accessible by removing the horn. Anyway, after raising the tank, changing the sensor took maybe 10 minutes. So far it seems to run fine, but it will need a longer run to really test it out. Thanks again all. Rod

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Troubleshoot with Harley Error Codes | Fix My Hog

Check the ground side of the O2 sensor’s heater circuit for continuity to ground. It should have good continuity if it doesn’t, repair wiring. With the engine off and the key “on”, use a voltmeter to check for approximately 12 volts (should be the same voltage the vehicle battery is at) on the power side of the O2 sensor …

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engine temp sensor | Harley Davidson Forums

Apr 29, 2013· 7,340 Posts. 5 · Apr 29, 2013. I can''t not imagine that replacing a failed temp sensor would make a negative impact on the way the bike runs unless some sort of adjustment was made beforehand to compensate for the failed sensor. If you are using a stock Fuelpak program, that is almost certainly not the case. It''s probably just coincidence.

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How to Test a Coolant Temperature Sensor |

Jan 04, 2011· This is your coolant temperature sensor. Check Out Coolant Sensors on Amazon. Step 2 Connect Digital VoltOhm Meter. Testing the coolant temperature sensor is a very quick process. With the use of a digital voltohm meter you can easily tell if the sensor is faulty or not. Connect the black lead of the digital ohm meter to a solid grounding.

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CV Performance | Harley MAP Sensor problems

Nov 22, 2018· An overly rich or lean mixture caused by faulty data from the MAP sensor will make starting difficult. On a fuel injected Harley if you suddenly need to add throttle to start the engine, this is a common sign of a failing MAP sensor. Check Engine Light or trouble code. A check engine light will appear if the sensor fails or if certain trouble ...

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Simple Ways to Test a Temperature Sensor with a Multimeter

Oct 02, 2009· ET sensor ,As glider said it is a single sensor located on your front cylinder head,the sensor provides input signals to the ECM as it reacts to the tempeture of the front cylinder head, the ECM uses this signals from the sensor to determine if the engine is at operating tempeture or warming up from cold start. this is just one part of the sequence of operation of many sensors that play a part ...

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HarleyDavidson Diagnostic Trouble Codes (DTC)

The following procedure will instruct in retrieving and clearing ECM Diagnostic Trouble Codes and TSM/TSSM codes through the Harley guage cluster as well as a list of codes. 1 Turn Ignition switchto OFF Run/Stop switch is to Run. 2 Push odometer resetbutton in hold. 3 Turnignition switchto Ignition and release the odometer reset button.

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2014 tri glide. Engine light and high Diagnostic ...

Aug 12, 2015· the coolant temperature sensor is a screw in device in the bottom of the left radiator core. ... Have a 2014 Harley Davidson electra glide ultra limited tossed codes po118 b2272 and b1307 I know po118 is an et sensor but where is it n can i test it to be ok or not bike seems ok and the b2272 is a ...

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IAT Sensor hightemp | Harley Davidson VRod Forum

Jul 22, 2010· If you have an ohm meter you can test the sensor. Connect the sensor to an ohm meter and heat it up with a hair dryer. The resistance should be around 2500 ohms at 70 °F and drop as the air temperature rises. If the sensor resistance goes above 50,000 ohms at any time during the test then it needs to be replaced.

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Test engine coolant temperature sensor — Ricks Free Auto ...

Nov 05, 2017· How to test a coolant temperature sensor. A bad engine coolant temperature sensor can really screw up starting and performance. If you suspect the sensor isn’t working properly, you can test a coolant temperature sensor or simply replace it. It’s one of the few parts in your car that’s cheap enough that it’s often easier to just replace ...

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Anyone had their Temp Light come on??? | Road Glide

Mar 05, 2017· Headed home, and temp light came on idling at a stop light. Stayed on until I got some cool air over the motor, and stayed out all the the way home. Air temp was about 60, fans were off, and no pinging or any other sign of a hot motor. It''d only been running about 5 minutes anyway, not really even enough time to get up to temp.

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engine temp sensor | Harley Davidson Forums

Nov 07, 2012· After the engine cools back down remove the sensor from the head and plug the electrical connector back onto it. Locate the sensor away from the engine heat and start the engine and run it untill it''s hot. If the engine doesn''t act up in the same amount of time it''s a good bet the sensor …

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Check Harley Davidson Coolant | Motorcycle Maintenance ...

Aug 14, 2021· The Harley Davidson coolant bottle has two lines. Reference the angled full line to check fluid level when the motorcycle is resting on its kickstand. Verify that coolant level in reservoir is at or slightly above the COLD full line. If the level appears to be below the COLD line on the tank, remove the rubber fill plug and add (only) genuine ...

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Engine Coolant Temperature (ECT) Sensor Function ...

Jan 14, 2021· The engine coolant temperature (ECT) sensor is one of the most important; engine management sensors. Because, its readings play a key role in calculations, which affect engine performance. As a result, the (ECU) uses this data to adjust the, fuel injection and ignition timing. Engines require more fuel when they are cold.

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How to Test a Coolant Temperature Sensor |

Jan 04, 2011· The coolant temperature sensor is located on the engine block under the hood. Pull the latch for the hood and open it, making sure it is secure before letting go. You will search for the sensor within the engine block itself, using a drop light if you need help to see it better. Look at the front of the engine block in the middle of the pulleys.

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Part 1 Troubleshooting P0117 and P0118 ECT Sensor Tests ...

Sep 13, 2011· Coolant temp sensor''s wires have an ‘open’ short (usually due to a cut wire). Coolant sensor''s connector has become unplugged from the sensor itself. Coolant temp sensor is bad. PCM is bad. Coolant Temperature Sensor Basics. One of the things that will help you solve a ECT temperature problem is knowing how it works.

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Testing engine temperature sensor? | VTwin Forum

Dec 20, 2008· If you have the Thundermax or any similar gadget hooked to your bike go to the monitor page while your engine temp sensor is dipped in boiling water. Then your monitor should give you a temp reading around 212 deg F. under sea level and standard atmospheric pressure ( inHg), a piece if ice from the frigde returns 32 deg. and your body ...

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Harley Davidson: Troubleshoot A Map Sensor

Mar 30, 2009· Locate the MAP sensor along the firewall or to the passenger side of the engine compartment. 2. Check the vacuum hose attached to the sensor and make sure it is in good condition and free of obstructions. Make sure there are no loose wires and the sensor’s electrical connector is …

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