Questions tagged [throttle-position-sensor]

Sensor used to indicate to the engine control computer the opening angle of the throttle blade. The associated acronym is TPS.

Filter by
Sorted by
Tagged with
1 vote
1 answer
16 views

2007 Dodge 2500 dying at low speeds / TBI codes

Getting PO122 code - replaced throttle body assembly 3 months ago, so don't believe it is that. Saw something that accelerator pedal could be part of problem, and was able to capture this graph using ...
Matt's user avatar
  • 11
0 votes
0 answers
22 views

2006 f150 severe hesitation weird question

low rpm hesitation, very severe until (usually) waiting for higher geare clean mafs, clean throttle body no sounds from vac lines, no visible tears while cleaning throttle body I noticed the plate was ...
zngb's user avatar
  • 111
0 votes
2 answers
3k views

Ideal TPS Voltage Range for calibration

Some manufacturers state an ideal range for throttle position sensor which is helpful if you want to calibrate a new sensor or re-calibrate the old one. For instance, they say 0.5 V for idle and 4.5 V ...
LFY MP7.3's user avatar
  • 946
0 votes
0 answers
35 views

Tricking TPS signals with a Voltage Source

Good evening, I am trying to trick the TPS by disconnecting the two APP1 and APP2 signals and connecting them to a voltage generator that generates a voltage that is within the range of both APP1 and ...
Enzo's user avatar
  • 1
0 votes
1 answer
155 views

Throttle Position Sensor Signals

I would like to study and discover more about the throttle position sensor that is installed in my car. The model of this tps sensor is called "cts 4089" and it has 6 pins. From what I read ...
Enzo's user avatar
  • 1
0 votes
0 answers
56 views

'03 Grand Prix, p0068, hard start, stall, and eventually no start

It's been very cold lately, so I didn't think much when my car began having a hard time starting. After a few days it would start, but only drove a few feet before stalling, giving a 'reduced engine ...
user62421's user avatar
1 vote
1 answer
79 views

How to use ODB data to detect throttle related emission problem?

Based on OBD II Standard PIDs PID(hex) 11 Throttle Position value from 0~100% How could we use this data to predict if there is going to be a problem? https://en.wikipedia.org/wiki/OBD-II_PIDs
Sean's user avatar
  • 21
0 votes
0 answers
49 views

i20 TPS sensor readings

my i20 1.2 petrol tps signal wire has .30 volt and other wire is 5 volt. However, my idle rpm is very2 low 600 rpm as against the normal 850 rpm. Will adjusting to .45 volt brings the rpm to 850?? I ...
Thang Tons's user avatar
1 vote
0 answers
263 views

Yamaha FZ6N idle randomly drops or increases, sometimes even stalls. Problem goes away after switching bike back on

I have a 2004 Yamaha FZ6N and quite some time ago, the idle started randomly dropping below 1000, with sometimes going below 600 and eventually the engine is turned off. i also noticed that when this ...
seedg's user avatar
  • 133
0 votes
2 answers
1k views

Lexus gs300 no throttle response

I have a 2005 Lexus gs300. Today while driving the car, it started to drop rpms while in drive.. as I drove further I was not able to get a response from pressing the gas pedal. The car can roll on it'...
user48911's user avatar
1 vote
0 answers
145 views

Hesitation to accelerate under load

Hi I have recently started getting some problems when accelerating from slow speeds under load. For example, I am driving up a hill behind a slow truck, when I am ready to accelerate the car ...
Edmund Blackadder's user avatar
0 votes
0 answers
56 views

Delay in gear upshift on high rev

I've noticed my Toyota Camry 2010 (automatic transmission) delays gear upshift on high engine rev (> 4000 RPM). But on low rev (typically below 3000 RPM) gear upshift is timely. This wasn't case when ...
BoltzBooz's user avatar
  • 121
1 vote
0 answers
42 views

02 Taurus no acceleration, miss shifting, and no power

I have a 2002 Taurus 3.0 OHV. I'm getting no acceleration, miss shifting, and no power. I installed a new EGR control valve, differential pressure sensor, air filter, and coolant temperature sensor, ...
sos's user avatar
  • 11
1 vote
0 answers
57 views

Engine stalls if giving gas (just for about 20 seconds after startup)

When I start my Peugeot 106, it will idle fine, but if I give gas it will stall. If I give just a bit of gas, after about 20 seconds the engine starts to run properly. I unmounted and cleaned the ...
Rhinoted's user avatar
0 votes
0 answers
82 views

02 Honda Odyssey transmission revs up or doesn't engage at 25 when off gas and up-shifting [duplicate]

my 02 Honda Odyssey transmission revs up or doesn't engage at 25 when off gas and up-shifting. Here is what happens in steps: accelerate to 25 in second gear off gas and upshift to third immediately ...
Dan Z's user avatar
  • 299
4 votes
1 answer
3k views

Cleaning Throttle Body - Can a beginner do it?

My 2005 Focus with 85k miles had a problem with the sensor in the throttle body giving bad readings, causing it to drop into slooooooow mode. Ended up taking it to a garage where they got the read out ...
djsmiley2kStaysInside's user avatar
1 vote
2 answers
731 views

p0123 - replaced TPS but still dies while driving

My brother has a '96 Plymouth Voyager. He drove it to my place the other day and on his way home it died within a couple of miles. The check engine light was on so I pulled the codes and am getting a ...
rviertel's user avatar
  • 1,169
9 votes
2 answers
5k views

what sensors and formula are used to control VGT/VNT turbos?

I want to fit a variable geometry turbo to my car. Its vanes are usually controlled an electrical actuator (otherwise sometimes it's on vacuum). What information is used to to inform the state of the ...
Aaron Brick's user avatar
0 votes
1 answer
847 views

2002 Honda CRV Suddenly Throwing Multiple Codes and then a Dead Battery

Last night the CEL came on, and I got the codes read on the way home. P0122: Throttle Position sensor "A" circuit low voltage P0139: Secondary HO2S12 (heated oxygen sensor - bank 1 sensor 2) circuit ...
Nilloc's user avatar
  • 198
3 votes
1 answer
240 views

High idle, not shifting gears - 1995 Mercury Mystique

My friend has a 1995 Mercury Mystique that was suffering from low idle problems (stalling out at stoplights, etc). He replaced the throttle position sensor, and after that the low idle problem was ...
Paul's user avatar
  • 509
2 votes
1 answer
2k views

Repairing of electronic throttle control

I am the owner of an Opel Astra G Caravan (This is the European name, don't know how it is in USA) from year 2007. It has an 1.4 Twinport engine Z14XEP and a manual gear. A few days ago I noticed ...
Denees's user avatar
  • 121
1 vote
1 answer
274 views

Mazda 323P,Electrical circuit of engine control

For me is necessary the electric diagram of engine control Z5 and the procedure regulation of throttle position sensor.
SERDGY's user avatar
  • 11
1 vote
1 answer
4k views

MAF sensor output signal vs. RPM?

I read that the MAF sensor output voltage increases as RPM increases. The ECU uses this voltage to determine other things, like idle RPM, ignition timing, fuel injectors, etc. Where can I find the ...
user3211857's user avatar
2 votes
1 answer
2k views

Automatic Throttle Body and TPS on a Manual

This is in continuation to my question Fast Idle and High Fuel Consumption. I just bought a Manual 97 Mazda Lantis 323 1.8L DOHC 16 Valve BP ( apparently called a Protege in the US ) which has a fast ...
Robert S. Barnes's user avatar
2 votes
1 answer
562 views

Throttle Position Sensor: Complete failure, then starts working again?

Vehicle: 2002 Hyundai XG350 L Today while driving to work on the Interstate, my check engine light clicked on and suddenly my gas pedal seemed to just stop working. I managed to coast off an exit and ...
Brian Lacy's user avatar
0 votes
1 answer
70 views

Is there such a thing as a throttling valve that can operate with oil as the working fluid?

I'm searching for a throttling valve that uses oil in order to convert pressure into thermal energy that can then be extracted via a cooler. Is there such a thing as a oil throttling valve? It would ...
Digimas's user avatar
3 votes
1 answer
933 views

Can I easily replace the Throttle Position Sensor on a 1999 Maxima?

My '99 Maxima's Check Engine light came on recently. I whipped out my OBD-II reader, and pulled off two codes. P0325 (Knock Sensor) and P1705 (TPS) Reading online it appears the knock sensor ...
eidylon's user avatar
  • 337