Episode #125 of the Stack Overflow podcast is here. We talk Tilde Club and mechanical keyboards. Listen now

Questions tagged [speedometer]

Instrument indicating the speed of a vehicle in km/h or mph

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

Indicators and speedometer don't work, hazard lights do - is this a problem of the flasher relay?

I've recently been working on my wife's car, a Holden Astra 2000, replacing the blower motor resistor. Somehow, since doing this work, the indicators and speedometer have stopped working, yet the ...
0
votes
0answers
9 views

Toyota Mark ,Gx110. RPM High

I am experiencing high RPM when I start the engine for my car Toyota Mark 2 ,Gx110. 1.What case this to happen? 2. How will I solve it? Regards, Jeccy James
1
vote
0answers
32 views

Speedometer crazy and transmission hard shifting 2004 Camry

I have a 2004 Toyota Camry with 118k miles. Two weeks ago, my car began shifting rough and the speedometer needle began bouncing erratically. I brought it to a mechanic and the ECM was reporting a ...
3
votes
3answers
96 views

Are speedometers on race motorcycles accurate in corners?

I'm about to get a set of Race-Sport tires for my motorcycle. The RS tires offer more lean angle. Notice the visual difference, the tire on the left has a much steeper drop off at the sides. When the ...
0
votes
3answers
107 views

Speed and odometer differences between dash and GPS

I live in the UK. I recently bought a used car, which was an import from Japan. I am not the first UK owner. At the time of import, some conversion/adaptation took place so that the information ...
1
vote
1answer
128 views

Tachometer/Speedometer drop to zero and engine wont accelerate

today my car had the following problem: I was driving with about 80 km/h (ca. 50 mph) when suddenly my Motor didn't react to the gas-penal anymore and I wasn't able to accelerate. The tachometer and ...
0
votes
0answers
16 views

Gauges not working on 2005 Ford Mustang

The gauges (RPM's, gas, temp and sometimes speedometer) aren't working. It's a V6. Is this a complicated and expensive fix? Thanks for any help.
1
vote
1answer
337 views

Opel Corsa: Speedometer (cable driven) and Speed Sensor issues

I have a Corsa Milenium 2001 (Brazilian version of the Opel Corsa) and for a while now I've been having issues with my speed sensor (ECU light accuses problem in the speed sensor, code 24). The speed ...
0
votes
0answers
24 views

I replaced my moped fuel sensor float but its still not working

My fuel sensor float stopped working early on, and I've ordered a new float but it still doesn't work. The fuel gauge barely goes up (doesn't go past the "E". Any ideas? Also, my speedometer stopped ...
0
votes
0answers
19 views

MAZDA 3 2006 no compression?

Okay so I am in need of advice, I have a Mazda 3 2006, the timing chain was super stretched out which caused the car to die at a stop light or if the gas was not being pushed the car would die. So I ...
0
votes
2answers
42 views

Speedometer - Cable to digital modification

I have a custom vehicle that uses 1972 1600cc VW parts and has the cable driven speedometer in MPH. I was curious if there is a reliable product that I can use to convert from anolog to digital to ...
1
vote
0answers
35 views

Scooter Speedo Drive Repair

The speedo drive housing has sheared at some point on my 125cc Peugeot scooter, and no longer has anything from stopping it spinning 360 degrees apart from friction. It doesn't spin freely when I ride ...
1
vote
0answers
46 views

Engine speed, vibration and rpm

I have few doubts with my motorcycle (Apache RTR 180 ABS version). When I ride on top gear I have noticed the engine vibration is reduced much when at 84-86 Km speed (RPM around 6400). I feel ...
0
votes
1answer
37 views

How to save time history of cars' performance parameters with or without OBD

For a research study purpose, I am trying to get car's performance data i.e. speed, acceleration, maps (lats & longs) and may be braking during a drive. I need time histories of these parameters. ...
1
vote
5answers
112 views

Are there any vehicles that use the onboard GPS to calibrate or adjust the speedometer?

My 2014 Honda Accord has GPS and uses the GPS clock signal to set the vehicle's clock. This made me wonder if there are any vehicles that use the GPS signal to adjust the vehicle's speedometer. Of ...
0
votes
2answers
465 views

How would a speedometer work on a different engine conversion setup?

Currently we are looking at doing a v8 setup in a Mercedes W115. My one concern is that I want the originals in the cabin to work which includes the Speedometer which is cable driven. No how would you ...
1
vote
1answer
125 views

Can a speedometer be inaccurate?

I usually do a turn on 30 mph. I did some work on car e.g changed to correct oil and the cars feels faster and sharper now. When I do the same turn now I can only do it on 25mph. if the car became ...
1
vote
1answer
4k views

Where is the Ford Fiesta 2011 speed sensor located?

I have a Ford Fiesta 2011 and the speed meter was sporadically failing (speed would drop to zero with the car moving and sometimes get back to normal). The yellow warning lamp was lit and I could ...
1
vote
2answers
2k views

Mazda 3 speedometer not functioning

I have a 2004 Mazda 3 manual transmission that I purchased recently. The speedometer and of course the odometer are not functioning. I have checked to see if I would be able to replace a vehicle speed ...
0
votes
2answers
14 views

2012 logan milege 107000 milege

A few weeks ago I bought a Logan from a second sale market. What should I do to keep the vehicle in good working order? The speedometer and AC sometimes do not work. (2012 MODEL QATAR LOGAN APPRX ...
1
vote
1answer
398 views

How are RPM'S AND MPH recorded by Nissan Rogue?

How are RPM'S and MPH recorded by Nissan and others. Do they use the cam as a pickup for RPM's and what is the pickup for mph (distributor, fly-wheel, what?). Does changing rim size (17 vs 20") ...
3
votes
1answer
5k views

2013 Hyundai Elantra Speedometer, Odometer, Tach, and Gas gauge have stopped working

I am new to this site and found that someone has previously asked this question, but they did not indicate if they ever found a fix for the problem. Their post is here How Do Get My 2011 Hyundai ...
3
votes
2answers
1k views

2001 Toyota 4runner @ 147k miles - Speedometer dead and various dashboard lights on

My 2001 Toyota 4runner has, on random occurrences, has had the traction alarm go off for no reason while driving. Just recently it went off and then Dashboard lights started coming on. I currently ...
2
votes
2answers
817 views

Are speedometer cables universal?

I've got an older vehicle with sentimental value that unfortunately has had the dashboard and instrument clusters damaged and removed. I am considering whether or not to build a custom dashboard to ...
2
votes
1answer
331 views

Speedo goes crazy. Needs lubrication. What do I lubricate it with?

I have a mid-90s econobox which still has a mechanical speedometer. In cold weather (sub-50F/10C) the speedometer will sound really squeaky, and above a certain speed (30-60 depending on cold) the ...
1
vote
2answers
336 views

2007 Vauxhall Zafira has ABS light on, then speedo failed and battery draining

I have a strange problem on a 2007 Vauxhall Zafira. We went on holiday for 2 weeks and when we came back we started the car and the ABS light on the speedo was lit. After a few days the speedo died ...
1
vote
0answers
878 views

Recalibrating speedometer over OBD-II

Is it usually possible to adjust the deliberate lying of the speedometer? My Renault Twingo reads about 5% too much, but the odometer is spot on, so the computer knows the right speed. Also, we're ...
3
votes
3answers
2k views

How is vehicle speed calculated?

While I was driving my car suddenly the left control arm suddenly broke off (the car has had a curb accident on that side before) and the cv-joint de-attached from the transmission and the car was not ...
2
votes
2answers
1k views

How to measure speed of a car

So I am making a car and need a way to measure speed of the car, however I can't merely count rotations of the wheel per second because the wheels have pretty high slippage. Is there any other way I ...
3
votes
1answer
522 views

What do I need to consider when converting a mechanical speedometer over to electrical?

I am the proud owner of a 1998 Toyota Corolla E11 (bug eyed version, pre-facelift). It has suffered a problem whereby the speedometer is broken. I haven't been able to diagnose the issue, but it's one ...
2
votes
0answers
520 views

Speedometer doesn't work and transmission won't shift

I have a 95 GMC Sierra with a 4.3 V6 and automatic transmission. The speedometer doesn't work and will not shift on it's own. I have replaced trans fluid and filter(no shavings or anything abnormal ...
6
votes
1answer
132 views

Volvo XC90 8V AWD car speed to piston revolution speed ratio changed after repair

I have a 2007 Volvo XC90 V8 AWD. I noticed driving on a flat highway the 6'th gear the ratio of SUV speed in miles per hour to the piston revolution speed in thousand rotation per minute is 40, ...
0
votes
2answers
374 views

How can I repair my scratched dash?

The car is a 3-year old Volvo V70. I just discovered I have two scratches right across the center of my dash, in a prime position to disturb/reflect the speedo needle. It's literally something I look ...
3
votes
1answer
103 views

Replacing an ECU

i changed the ECU on a Toyota Avensis 2009, it turns on and everything is fine, but the instrument cluster isn't working at all... It was working perfectly before i replace the ecu? Any clue why ...
9
votes
2answers
1k views

Speedometer on Opel Corsa sometimes not reacting

The speedometer needle on my Opel Corsa most of the time lies at the top of the scale (200) and doesn't move during driving. Sometimes, however, the needle rests at a different number, such as 140km/h ...
4
votes
0answers
230 views

VSS accuracy at low speeds

Background I recently got a P1500 code on my 98 Mazda 626 GF. I hooked up my computer using ForScan and cleared the code. It didn't come back after three slow test drives around the parking lot. ...
6
votes
2answers
23k views

Meaning of dashboard “Check Engine Light” on motorbike

Please help me understand the meaning of this dashboard light shown in the picture. ABOUT BIKE SPECIFICATION What happen if it blinks RED ?
3
votes
1answer
611 views

06 Hyundai Tiburon 2.7l Automatic Speedometer and Odometer Inoperative

Customer replaced the vehicle speed sensor and the instrument cluster trying to resolve this issue. The rest of the gauges work and all indicator lights work. I was looking on IATN for a known good ...
15
votes
6answers
8k views

Why is the speed of a motorcycle measured at the front wheel?

I have been thinking about this, from quite long ago. Why is speed always calculated from the front wheel? Let's just consider the following situation:- You are in a race, and you have given full ...
7
votes
2answers
16k views

Calculating actual speed of vehicle based on wheel size?

I started wondering today, how does one calculate the moving velocity of a vehicle if they change their tires? I know there are a lot of companies that make the gauges for tuners that change wheels, ...
7
votes
5answers
45k views

Prius dash board completely off and engine does not shut down

I took my 2006 Prius on a trip and at some point I drove for about 15 miles in unpaved road. The road was not really bumpy but it vibrated the car a little. About 10 miles into the ride in the unpaved ...
3
votes
1answer
2k views

2012 Ford Fiesta S speedometer calibration

I just got a 2012 Ford Fiesta S (5-speed manual) a couple days ago. It's running great, but I noticed the speedometer reads about 3 MPH too high at around 55 MPH when comparing to the speed on my ...
3
votes
1answer
244 views

Sporadic speedometer, and performance lags when speedometer not engaged

I have a 2000 Honda Accord, 2.3L L4 with a 5-speed manual transmission. Recently, the speedometer has been sporadic- sometimes accurate, sometimes bouncing around, but mostly sitting at 0. I replaced ...
7
votes
1answer
437 views

How do nonlinear speedometers work?

Some cars, now have nonlinear speedometers. How can they achieve to get different spacing between some speed ranges? For better understanding, see the image of an old Audi A4 speedometer. The range ...
6
votes
2answers
2k views

How does the speedometer on my dash actually work?

So pretty much everyone knows what a speedometer is, the thing on your dash that tells you how fast you are going, whether or not you're speeding, and what speed you have the cruise control set to (...
3
votes
1answer
2k views

RAV4 speedometer sometimes stops at 0, sometimes (less often) works perfectly

I have a 1998 Toyota RAV4 (FWD, automatic transmission). The speedometer sometimes works, sometimes doesn't, seemingly journey by journey - one time, it stuck at 0 at the start of a journey then began ...
0
votes
1answer
1k views

1996 Ford Explorer Speedometer and Shifting issues, O/D light flashing

My 1996 Ford Explorer began having issues at the end of a moderately long drive home while going approximately 60 miles per hour (not sure if related; I drive that speed often). The speedometer ...
1
vote
2answers
17k views

Speedometer stop working on My Opel corsa C 2006

Speedometer stop working on My Opel corsa C 2006, it always shows 0 km/h although I am driving the car, before it stop working it vibrated some times and then stopped. Does it have a specific Fuse in ...
4
votes
0answers
421 views

Excursion SuperDuty Cannot Calibrate Speedometer

I have an 02 Excursion Limited Diesel and cannot get the speedometer calibrated. I purchased the vehicle with 35" tires (original equipment is 32") The tires were about 75% worn and the speedometer ...
3
votes
1answer
7k views

Read vehicle speed data in real time

I need to read vehicle speed (velocity) data in real time for my research project. How can I achieve that? What HW and SW do I need for it? I guess it can be read from CAN bus via OBD2 interface? I ...