Questions tagged [sensor]

An electronic device that monitors a particular parameter and provides data to be consumed by other systems to adjust and/or monitor vehicle systems. Examples include: mass air flow (MAF) sensors, oil pressure switches and transducers, ABS wheel speed sensors, outside air temperature (OAT) sensors.

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Chevy Malibu 2009 coolant sensor

I have a problem with my malibu, I got a code on the obdii reader as though the coolant temperature reading is not correct, so in the car lcd on the instrument cluster I can see Coolant temperature : -...
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Peugeot 207 convertible: “impossible to move roof: outside temperature too low”

My Peugeot 207 convertible from 2007 shows an error when trying to lower the roof. "Impossible to move roof: outside temperature too low" According to the manual it should be functioning down to -15 ...
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843 views

Wire front camera+sensors+display on SINGLE Ignition switched 12V wire

I want to install front parking sensors & camera (+display). So I have: Kit of 4 sensors + controller Camera Display Basically I know how to install & wire them, the thing I don't sure is: ...
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1k views

ESP warning light on

Audi A3 8PA 2005my 1.9tdi Esp warning light is on and diagnosis with VCDS shows fault :- 00493-ESP-Sensor unit (G419): No signal/Communication No other warning lights are showing. I have tried ...
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Why is my 1993 Cadillac Deville acting like it's out of gas when the gauge says it still has fuel?

I have a 1993 Deville. I put gas in it until it flows out. My fuel data system will say it's full, but then when it reads 15 gallons, the car acts likes it's out of gas. What's wrong?
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53 views

Chevy Cavalier 2002 2.2L

My antifreeze is leaking and my ECT sensor is wet. There is also smoke coming from the hose that's for the reservoir overload. What's going on?
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1k views

Replace 2009 Cobalt LNF Fuel Tank Pressure Sensor and Shroud

How difficult is it to replace the fuel tank pressure sensor and shroud on a 2009 Chevrolet Cobalt (LNF/SS)? The shop just quoted me over $200 for this. From what I can tell, the parts should be ...
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147 views

o2 sensor readings don't make sense to me

I get these readings as showed in the graph below from both o2 sensors and I am having a hard time to interpret them, especially sensor 2 (downstream). The readings are from a short drive around town (...
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17 views

06 Jeep Cherokee 8cyl; Auto transmission

It seems that I am annually having to replace the “map sensor” and various parts associated with that. Last week I replaced it again, and next will be the “auto throttle body” or something with the ...
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637 views

W204 C180 Manifold absolute pressure sensor

I am trying to install a RaceChip unit in my car. I need to find the Manifold absolute pressure sensor. I am aware that it’s near the air box, but I can’t find it. Here is where it should be: Here ...
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115 views

Can a bad coolant temperature sensor or a bad wheel bearing hub cause my check transmission light to come on?

I have an 05 Ford Explorer Eddie Bauer. The check transmission light will come on and the o/d light will flash after driving it for a while. I know my rear hub needs to be replaced, but recently was ...
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180 views

Can steering wheel angle/torque sensor fit to a car that had it optional?

I need to read steering angle from a car for research purposes. My question is - can I fit a steering wheel angle/torque sensor to a particular car that itself has no ESP/ESC (Electronic Stability ...
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82 views

Translating raw CAN responses into meaningful min/max/value

http://www.scangauge.com/support/x-gauge/xgauges-for-cansf-vehicles/ This website lists data reported by certain sensors. Lets take an example: Gauge = Short Term Fuel Trim Bank 1 TXD = 07E00106 ...
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2k views

Fiat 500 (2010) airbag replace - crash sensor help

Recently replaced airbags in a fiat 500 1.2L (2010 model). I've also cleared the crash codes/data from ECU. I assume I would have to replace the front crash sensor as well, but couldn't locate it. ...
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58 views

Emergency brake light is on and stays on

The van (iveco daily, sorry don't know the type anymore) of my father has a brake warning light on. Once I removed te cover I saw it was a single wire that was disconnected from the switch. I thought ...
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22 views

Honda Civic 2018 blind spot information system warning

My Honda Civic 2018 had an accident and it was in a repair shop for a while. After the repair, there was a warning on the dashboard with below icon. When I asked about this from the mechanic, he took ...
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1answer
17 views

2000 Chevy 3500 Express strange MAP sensor OBD-II readings

A 2000 Chevy 3500 Express 5.7 Vortek has always run fine but has a major problem with torque when towing uphill. By chance I stumbled across the MAP OBD II readings and they are way off. It shows 9&...
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59 views

Divide by 2 for “wasted spark” motorcycle rev counter input

My motorcycle just got an upgraded ignition timing method. This new method fires the spark plugs twice each cycle which in turn increases the RPM * 2 according to the tachometer. Is there a way to ...
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67 views

List of sensors on cars

Over the years, I have gone from being frightened to performing repairs involving sensors to feeling like sensors are my best friends. They greatly reduce the guesswork necessary in repairing a car, ...
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114 views

Chevy Equinox Cabin (Interior) Temperature Sensor

Does anyone know the location of the Cabin (Interior, NOT ambient) Temperature sensor? This is for a 2012 Chevy Equinox 2.4L LT2. TIA Scott
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25 views

2005 Ford Escape (Hybrid) Hood Ajar alarm triggered when left blinker is on

I seem to be having an electrical issue with my 2005 Ford Escape Hybrid. Whenever using the left blinker, the Hood Ajar alarm goes off and continues beeping until the blinker is turned off. It does ...
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102 views

P0406 Error - Ford Figo

I bought a second hand Ford Figo 2011. The vehicle has driven around 56k kilometres. Recently there was an issue with the starter motor, which I got fixed. After that the Check light is on. The Ford ...
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28 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, ...
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399 views

Hi I’ve got a 2013 insignia 2.0CDTI coolant problems

Coolant warning message keeps coming up on dash checked level ok replaced sensor but message keeps coming up help
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3k views

ABS/ stabilisation control error

I have polo 1.2Tsi 2015 model, here is the problem : my clutch eas dead and i bought new one and fitted it in, after i started the car it did not move at all, it showed ABS/ STABILISATION CONTROL ...
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412 views

Toyota Gaia 2001 model. ABS check light showing. Speedometer not working

My car is showing ABS check light, the speedometer is not working. The fuel consumption is high, and it's slow in changing from first gear. I don't know if any of these faults are connected. What ...
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72 views

Truck fleet monitoring project

I need to design a truck fleet monitoring system and make a prototype of it during my traineeship this year. I've been looking into the different buse networks that are already implemented in trucks ...
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14 views

Need Help Identifying Sensor Connectory - 1996 Chevy G10

I have a 96 Chevy G10/Express Van with a 5.0 V8. I noticed that there is a "dangling" connector, but am having trouble locating where it goes. It is located on the driver's side, and can be accessed ...
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289 views

Camshaft position sensor low input on Hyundai Accent 2008

Hi I have a no start on this car. It drove home fine then wouldn't start the next day. Timing, battery, starter, relays, fuses, immobilizer, spark and fuel all check out fine but code is p0342 for ...
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1k views

Hyundai Accent mysteriously stopped starting

Just bought an 08 accent with 132 kkm a few weeks ago. Ran great until I drove it home one night and the next morning it wouldn't start. The starter spun but didn't engage flywheel so naturally I ...
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22 views

2014 Chevy Malibu - Code P055B

I keep getting a P055B code, but I have changed out the sensor twice. The mechanic cleared the code but it keeps returning. Any suggestions?
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2answers
55 views

Fixing a malfunctioning seat belt sensor

I'm in the far end of a road trip, and towards the end of the road trip my seat belt warning started going off erratically. Tapping on the driver side seat belt buckle seemed to silence the warning ...
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1answer
29 views

Where can I find information about car PIDs?

i'm doing a research and i can't find voltage information from the car sensors, where do you find such information? finding the voltage range would help a lot.
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73 views

What in the heyl is this thang?

I done bought me a mysterious 1998 5.4 v8 ford van. Econoline series. Done some snoopin under the hood and found this dang weird plastic box just hangin... danglin there zip tied to the dang high ...
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1answer
368 views

Toyota Funcargo (Yaris Verso) 1.3 VVTi (2NZ-FE) connector near oil filter

I was seeing my Yaris Verso VVTi 2NZ-FE engine and a cable was hanging (with light grey connector, 4 pin socket, and a single wire line) that is not connected anywhere. I tried to search for the ...
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1answer
934 views

How to fix a speed sensor signal problem?

TL;DR - My transmission computer says its output shaft speed sensor reads 0, what is wrong? I am trying to troubleshoot a problem I am having with the speed sensor on an older automatic transmission, ...
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334 views

engine oil temperature sensor problems

I'm Getting a dtc for the eot sensor low voltage. According to the manual this happens when the voltage is less than 0.07v. The connector is plugged in properly. I have checked continuity between the ...
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1answer
112k views

How do I fix the error code P2002 which is caused by filter or sensor in the exhaust of the car?

Do anyone know that how to fix this code?