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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.

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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'...
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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 ...
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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 ...
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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, ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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.
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2k 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 ...
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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 ...
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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 ...
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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 ...
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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 ...