How To Test A Throttle Position Sensor (TPS)
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- Опубліковано 30 вер 2024
- Suspect a faulty throttle position sensor for engine problems? Look no further. In this video I will explain how a (TPS) Throttle Position Sensor works, how to test one, and also open one up to see what is inside. The sensor being tested in this video is a 3 pin sensor.
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A lot of others should learn how to present and tape a movie the way you did: concise and to the point. A lot of them try to be funny...if I want to see comedy, I don’t come to a car repair or electronic source!!
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Truly one of the best done videos i have seen in a long time!! Full details and explained very well. Its easy to understand why this guy has at least a half million subs. Now with one more!
Excellent walk-through on the throttle body. Confirmed my diagnosis conclusion on poor idle. Well spoken. Thank you!
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I agree his voice was well spoken as well as projected well.
I have a 1989 Full size Ford Bronco XLT 4x4 V8 5.0 at an idle it goes up & down over & over i replaced the MAP sensor, still the same, then i replaced the TPS & 0 2 sensor did not fix the problem,
I bought this truck in 1991 it's a 1989 always ran great it just turned 100,000 miles, HELP i don't know what else it could be ...
It was refreshing to watch this technical video where the explanation was so good that graphics were not necessary.
Simple to understand. Better than these other vids that spend a half hour of way too technical information using a $5k scanner
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Great explanation. Thank you for sharing your knowledge.
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Excellent video thanks for sharing Houston Texas
great video, just what I was looking for
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That was an excellent video and explanation on this particular issue. It identified the very problem I have with my car. Even the fault code. Thank you very much.
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Sweet🎩 finally the right tube vid.
Thanks for sharing this informative video on the throttle position sensor! Your clear explanation and demonstration on how to test and open up the sensor are really helpful. Keep up the great work!👍
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best one ever thanks bro.every understand and easy work ..love it.
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Excellent video on how to look for dead spots in your TPS. Not all vehicles are the same, the TPS can have a different expected voltage range depending on vehicle. Not all TPS tolerances are between 0V-5V. Consult a workshop manual for the correct specifications for your vehicle year/model/engine configuration. The TPS design and expected values can change per year on the same model. Always, always, look up the correct specifications for your specific vehicle. Great video.
Good point. Thanks
Yes they are! Or close to it at least. Show me a printout or PDF that is way different than .5 to 5 volts.
😘 thanks so much. I get around as my email suggests, but I'm broke and tired of getting the screw with "joe mechanic". I just dropped a $$wad on this very item about a year and a half ago. And now it's back. Is that even possible??? I'll do it myself this time. Can you tell me what kind of tools I need to buy?? Cuz I'm sure not going back to a"Joe" and investing in the right tools sounds like a + + to me. Seems like with a little knowledge and a few bucks$$ I'd be better off buying and watching videos. (Who"d have ever think that of me??)
I am trying to install an HHO kit in a Toyota Hiace 2.7L 2TR engine. I thing I'll be able to reduce fuel supply using this sensor. Your explanation is superb.. Cheers from Pakistan.
Very informative and very easy to follow and understand. Mahalo for the video.
best videoi eversaw on this!
Ecxellent video..like and subcribed...thanks
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This is the best throttle position sensor video I have seen so far. But my situation is a 93 Ford Lincoln Town Car I'm getting a code 121 on a brand new throttle position sensor I purchased offline what are your thoughts on this?
Could be a bad connection(wire harness), damaged wire, or bad PCM.
Very nice and understandable ! Appreciate it! Keep up the good work! Thanks,!
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Good video
hello r u probing the WIRES of the CONNECTOR or the three pins on the THROTTLE BODY PART ITSELF? on my 98 KIA SPORTAGE, when i first start it it revs to 3,000 rpm..when I DISCONNECT THE IDLE AIR CONTROL VALVE, it goes back to normal 850 RPMS..does this mean the IAC valve is ok..someone said YES..????
Best instruction video I've ever seen...
Professional, articulate, and to the point without BS.
Good work, thanks 👍
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Fabulous video. Next I'll search for how to change TPS😊
Excellent video 💯
Best instruction video
2001 Grand Prix with a 3.1-liter motor, started idling high after good and warmed up. No codes at the time.
When motor would idle too high, 4T65E trans would shift super late under light throttle. About 25 MPH and 2,500 RPM before it would hit 2nd. gear. Was OK the next day. 3rd. day, high idle and late shift again! This time the check engine light did come on. Code P0121. Scanner TPS angle percentage at idle shows 0 sometimes, and sometimes 0.39% and ~ 100% at WOT. One time while sitting there idling fine, ~ 700 RPM, all at once the idle kicked up to ~1,300 RPM all by itself. I looked at the scanner, now TPS angle percentage went up to 2.75%.
From my readings it looks to me like the sensor IS receiving the 5V reference, and my ground in good, and my reference voltage is changing and being sent back to the ECM. My voltmeter is at my buddy's garage right now, so I could not do the voltage testing at the TPS connector, as you have outlined.
I'm ready to take a chance based on my findings, and just install a new TPS.
What do you think?
Reply
Very helpful, thank you.
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Hello friends
I have a problem with the my car Mercedes CLK 270 CDI W209 / year 2004/, I did diagnostics and wrote code p0123
what part should I look for
so I can replace it with that
My diagnostic is for this
ECU: Engine
Status: Confirmed
DTC: P0123
Description: Throttle/pedal position sensor/switch A - circuit high
Potential
When you buy the 'My Dashboard, Logs, Parameters' plugin, you will get:
Parameter logs playback and sharing them in CSV format
OBD I l DTC decoding (extended list) Descriptions of potential causes of malfunctions for commonly encountered OBD Il DTCs
Configuring all the parameters in the 'My Dashboard' section, not just 4 creating many custom dashboards Description of important parameters of the OBD Il standard
Symptoms in my Mercedes :
Rough idle
Mercedes won’t idle
High idle
Idle at 2000 RPM
Sudden idle surges
Check engine light on
Poor fuel economy
Limp Mode
Poor Acceleration
i had problems car would miss etc when cold i cleaned ignition coil connectors with contact cleaner huge improvement not 100% probably 95%
is that a sonata 2005? looks exactly like mine, now i have to change that sensor, the crankshaft and camshaft, do you have a video of those? to know which one are them ? great video BTW
Mine is a 2003 V6/2.7L....same car basically. Crankshaft sensor: raise front of vehicle on stands, remove the long plastic shield under radiator, then reach up into the block facing the cooling fan. One bolt holds it in place. The camshaft sensor is on the drivers side of the engine, between the throttle body and ignition coil packs. Be sure to watch today's video below and share. Thanks!
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Great video. Mine tested good.
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There is a multitude of sensors,solenoids,actuators on all vehicles and equipment today.Maybe do a series on basic auto electric such as starters,alternators and solenoids also. I have been rebuilding repairing various electrical components that few guys seem to be able to repair because they do not understand basic electrical technology.Cool video! Shalom
+motorhead
Glad you enjoyed it.
@@electronicsNmore cheers
Can a TPS cause a rich fuel mix without a code? Rough idle. Im getting rich code oxygen sensors and replaced, same codes. RPM needle fluctuate a few hundreds at idle. IAC is a year old and clean, just cleaned throttle body. Any help or suggestions would be great.
Okay sir I have a 2006 ford fusion SEL 2.3 L. I have a check engine light . And of code is p2004 you know what's of problem there any help .please
I'd give you 8 thumbs up if I could. you have a good format for your videos. ive enjoyed them all.
Good one
On my 2000 Toyota Platz i saw the engine check light on when i was going up hill and it disappeared when i got on a falt road it also loss power sometimes i tried this but the Signal wire was showing me 2.57 and if i accelerate / the throttle body it drops to 0.56 is this a good reading or bad
On my 1987 Chevy Celebrity the TPS went bad . There was also another code for the MAP sensor . What happened was the TPS pulled down the voltage to the MAP sensor . If you check a wiring diagram , they use the same line . Not all cars are same , but it is not uncommon to have them both on the same line . In general , if a component goes bad and there are other items on the same circuit , it can pull down the voltage that supplies other items , depending on how it malfunctions .
I am a electronic tech and on a series line if all the parts are connected a bad earlier part could cause a voltage drop if there are different supply values.
I mean thus the 0.35volts or half the volt needed as required voltage in a fully close position? Thus this applicable to all kind of cars, like i have a suzuki every wagon, k6a engine turbo.
3:08 music to my ears thank you!
Very informative. I converted a vortec 350 from fuel injection to carburetor and I'm trying to wire the market throttle position sensor do any instructions about what each wire is for. I'm looking for somebody to help me figure out how to wire this thing it has three wires on the factory harness and three wires on the aftermarket throttle position sensor. I don't want to just randomly hook wires up I don't know if I could mess it up. Please message me if you could help. You really seem like you know what you're doing
You need to look online for information regarding your vehicle's TPS. Thanks for watching!
I really dig the video... Thanks for the upload 👍🛠️
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Very easy to understand, but comprehensive as well.
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Ciao ho una Nissan Primera 20egt anno 1991 150hp mi potresti dire il valore di calibrazione del mio TPS per favore grazie
I have a ford ranger 07 2.3l what if the TPS dial or spring can spin freely??? Is that bad or normal for this type of throttle body????
Great video. I have a 1997 Saturn SL1with a standard 5 speed trans. The idle would sometimes go to 2000 to 2500 rpm when rolling to a stop with the clutch pushed down then would come back to norm 750 ish rpm. I pulled off the throttle body and removed the tps and iacv to clean a ton of carbon off the throttle body. I also replaced the iacv with an $8 ebay one, thinking that was originally causing the high idle problem. There was never a cel on. When I put it back together I put the tps on and had to twist it to get the screw holes to line up and it felt crunchy like I hyperextended the spring. It turned on the cel with code po122 and runs bad with high idle. I installed a new Walker tps and there is no change other than it loops at idle when the rpm comes down. My code reader is not able to clear the po122 code. I checked voltage with connector disconnected and I get 5.02v on one wire and .03v on other. I back probed with it plugged in to sensor and get 5.08v on one and the other shows .15v at idle and 3.94v at wot. I thought it might be the plug so I poked the volt meter lead in the connecter points and tried to push them closer together but No change in voltage readings. Advice please?
Sounds like a faulty linkage return spring.
GREAT VIDEO, .. precise and right to the point!?? NO Hokus-Pokus!?!?
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Hello sir i need a help i have a carburettor bike ns200 its lagging in 4k rpm to 6k rpm after cross the 6k rpm it's easy to going for a top speed If tps have a trouble its happen???
What year, make & model does this video refer to?
Is it relevant to my 2008
Chrysler Town & Country?
Hi can I use an analog meter? Old way of testing potentiometer? Cheers from Australia 🙂 👍👍👍
Can the throttle body sensor make your car jerk when accelerating or stall or because my car is jerking when I accelerator frm gear 1-4 even in the morning cold start I can't even put the car in gear then it jerks or die
I finally understood how it works lol what a great explanation and demonstration. I highly suspect my TPS is failing. Whenever I floor the gas pedal, the rev goes up but the car doesn't move. Transmission shifting is terrible. The gas pedal sometimes stops working completely! If I understand it well, if I run these tests in my car and the TPS is really faulty, I should be able to "floor" the gas pedal and see the voltage not going up, right? Thanks for the video!
I think you have other problems with your transmission.
Thank you for taking the time t make an informative, no nonsense video.
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This is a professional level explanation and demonstration. Really impressive. I have a 6 pin sensor and I'm getting 5v on both ends and a 0.83v reading from the other two pins. I can't tell if that's proper spec.
The sensor is disconnected during this reading. So I'm testing the female connector pins leading to the throttle body. Can anyone tell if I'm doing this correctly or not? The car is a 2004 350Z Nissan.
That's a wideband sensor. You need to find an online service manual for your make/model vehicle to identify each pin. Thanks for watching!
Wow. You're good at 'splainin stuff.
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Not every bad throttle can be check this way because some situation happened to me I checked mine this way it showed me it's good but my starts to malfunctioning after contact with heat.
very nice video and excellent demonstration.
Be sure to rate thumbs up and share!
I have a Honda accord 02. When I put into drive and step on the gas. The rpm goes into the red and the car does not move or will move slowly. Does this mean I have a bad tps?
Best I've seen about troubleshooting a TPS. Great job!!!
Glad you enjoyed it Nick! I have many excellent videos on my channel, so be sure to look over my extensive video playlists (especially the automotive playlist) for other videos of interest to you and most importantly share my channel with many others. Thank you!
thanks
Thank you for this informative and easy to understand explanation.
Thanks for watching Francis! Be sure to watch my other videos and most importantly share my channel with others.
Thanks for the Great Video. You just earned 1 more subscriber. Quick question: On my signal wire it's giving me a very low voltage reading (0.01) and when I press on the gas pedal the voltage reading stays the same it doesn't go up. The power wire reads 5v. Checked for any codes and nothing comes up.
Either a faulty TPS (open circuit), or a bad ground.
You doing very good job 👍👍👍👍👍
Nice video 👌👌👌👌👌👌
You teaching very good and very good teacher 👌 👌👌👌👌
Many many thanks
My voltage is not
0.35
Its begin from (1.35) ? At test
Why?
Perfekte video! So einfach und sehr gut erklärt. Danke.👍
What if it shows 3.5 but when I stick a needle in it it on shows
. 85 then it goes up smooth when you turn the throttle body to 3.5
Excellent visually and clear script. Thanks
I thought u said the middle wire is hot anyways on multimeter it has negative on it I'm just wondering I need to do
I just did that exact same procedure on a 92 Chevy lumina APV minivan 3.1 engine I didn't see this video until after I tested it actually have a shop manual but sometimes the part make look different order wording sometime you got to read it over again but the video you made I just checked throttle position sensor and it came out exactly as you said it would kudos to you very clear presentation you have a fine art in teaching and auto mechanics very nice video!!!
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Thank you so much! God bless you!
Base Idol speed for a 2001 Nissan Frontier Supercharged
When testing the tps is the negative probe on the meter connected to the negative battery?
Good teaching ! Thank You
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Good video and explanation, but I always press my pedals that way I don't have an unhappy vehicle.
+James Schrumm
Thanks for watching James. Please share.
i had checked my TPS offline of course i put 5V supply , when i rotate the throttle
the voltage at signal wire moves slowly up until i get ~4.5 voltage and back down
when i slowly release the throttle.looks my tps is okay right? . but when i put back the TPS in the engine.I noticed that
the signal does not increasing or not giving me a reading when we press on the gas pedal while the engine is running? so i still get hesitation . can you advise your comment here. thanks
Awesome presentation. Very detailed step by step process.
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Did not enjoy this video... but it helped the fuck out of my situation... thank u
Thumbs up
Thank you!
Would it cause high rpm idol and vehicle accelerating on it on?
Great job nice job explaining very slowly and a low tone voice always helps to better understand on these videos thank you very much
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I how this work for my 2003 impala. Its not shifting one to two. No codes display and rpm goes up and not shift until 3 minutes later
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Thank you, please continue making such good content. You might have just saved me a lot of headache.
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@electronicsNmore I got six prong connector I have only one Wireless reading. 5.01 I have two wires that's reading. 0.80 I have one wire that's reading 0.02 I have one Wireless reading 3.54 1 wire reading 1.46 How far is pressing the gas pedal down? Don't any of these numbers move? I'm only I'm only testing this. Because I have a loss of power. An acceleration I I've had. Several different codes right now I have one for the cram shaft position sensor mass flow air sensor no leakage So I just thought the check the throttle body. Does these numbers tell me anything?
Look online for a PDF service manual for your vehicle. It will explain TPS testing procedures. Thanks for watching!
Will this test on a 2014 mustang v6 3.7L ?
شكرا علي هذه المعلومات . في الوقت الحلي الإنترنت قمت بجميع المعلومات تصوير كتابه شرح طرجمالخ..... كل شيء موجود فعلا. ينقص شيء وهو الترجمه االشفهيه للغات traduction oral des langues. وهكذا يمكن الاستماع إلي أي لغة بي الغه التي تتقنها شكرا.
شكرا لمشاهده!
Hello friends
I have a problem with the my car Mercedes CLK 270 CDI W209 / year 2004/, I did diagnostics and wrote code p0123
what part should I look for
so I can replace it with that
ECU: Engine
Status: Confirmed
DTC: P0123
Description: Throttle/pedal position sensor/switch A - circuit high
Potential
Search the Internet
When you buy the 'My Dashboard, Logs, Parameters' plugin, you will get:
Parameter logs playback and sharing them in CSV format
OBD I l DTC decoding (extended list) Descriptions of potential causes of malfunctions for commonly encountered OBD Il DTCs
Configuring all the parameters in the 'My Dashboard' section, not just 4 creating many custom dashboards Description of important parameters of the OBD Il standard
Thank you truly understandable that was an awesome video
good job
Best info testing tps video
They always say the sensor “ gives out a signal “ makes it sound like a radio transmitter or something. It’s just a variable resistor that changes in resistance according to position
A "signal" voltage. :-) Thanks for watching Mike! Be sure to look over my "Auto & Mechanical" video playlist below for other great videos of interest to you, and most importantly share my channel with many others.
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@@electronicsNmore .. ?qà8ç brvlnn
Wow, such a pro presentation.
Glad you enjoyed the video! I have a lot of excellent videos on my channel that cover many different subjects, so be sure to check out my extensive video playlists for other videos of interest to you, rate thumbs up, and share my channel with others. Thank You
06 Nissan Sentra 1.8 L having problem with it . Took it to " mechanic " and he said throttle body needed to be replaced which i did get him to do that . So now a few weeks later still not fixed . What it's doing is after starting won't rev up stays low even flooring gas pedal . Even loses power while running a few times . Idle fluctuates a lil at red light from just below 1,000 RPM to just over . It doesn't happen that often but this needs to be fixed or risk being stranded somewhere i think . It can run for a good long time even went out of town and only happened once . Same mechanic now says take it to a shop that has a much bigger scanner / computer but I don't have much trust in this guy anymore . After all , why didn't he say that in the beginning ?? He may or may not done a relearn procedure as I was watching him doing this work . I don't remember him doing one . I found a relearn procedure did it twice now . Any help will be appreciated . Mechanic did before the TB replacement to try to scan but couldn't and I've tried to have it scanned at auto zone and nope . I looked at fuses look good . I may have to chance it at that place with the big diagnostic scanner .
You need to use a code scanner. Could be a faulty MAF.
What hapen if you use the car have engine light and fi blinking
hi mate , i replaced mine with a new one , should i calibrated ? if so , how do i do that? for the record its a suzuki celerio
Nothing to calibrate
Great video. Nicely detailed and no useless talking. Thank you
Glad you liked it
would liked to have seen the output from the faulty sensor as well.Easy step by step video and teardown was helpful.
+Tom OConnor
Hi Tom. The output would have shown dead spots and meter readings that were not smooth up and down.
Good teacher
Many many thanks
If the tips don't work, will the petrol waster?