Question about 1994 Buick Park Avenue

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Speed sensor speedometer

Hi i am changing from a set of 15in wheels to a set of 17in wheels now the tires are about 1in bigger than the old 15in tires. My question is can i adjust the speedo to be accurate.

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  • Contributor
  • 46 Answers

Have to look into a programmer. Hypertech makes them for Camaro/Firebird that do this, not sure about for an old Park Ave...

Posted on Nov 26, 2013

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Posted on Jan 02, 2017

B-Roosky
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SOURCE: My 89 Buick Skylark speedometer reads 10 mph fast.

there is no censor for speed on a buick skylark.
i have an 88 same motor and everything
u jumped a tooth on the gear that drives the needle.
u have to pop the dash off and get to the problem behind the main gauge and the needle assembley should come right out. either that or you stripped the gear and its just going wherever it pleases.

Posted on Jan 10, 2010

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SOURCE: 2001 Buick LeSabre speedometer not working after tire change.

Check the button under the reset, you may be in metric mode.

Posted on May 04, 2010

Testimonial: "This is exactly what was wrong. The technician must have changed it. I called a Buick dealership and he told me it sounded like it was on Kilometers. Easy fix...lol. Once I noticed that I felt pretty stupid! "

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1 Answer

My speedometer runs 5 miles to fast


need correct tire size......over or under sized tires will cause change in speed reading.....

Aug 17, 2012 | 1996 Jeep Grand Cherokee

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Where is my speed sensor located?


Hi.

The vehicle speed sensor or VSS is located on top of the transmission, on the output shaft. This sensor provides input to the speedometer on instrument cluster. There are also 4 wheel speed sensors (one on each wheel). Their primary function is to detect wheel speed to control ABS.

Below a picture of the VSS sensor:

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Sep 08, 2011 | 1999 Ford Windstar

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Going to buy a 2003 mazda mpv but there is no spare do they come standard with a spacesaver or a proper 15in spare wheel and tyre


FACTORY SPARE TIRE IN TRUNK HAS LARGER RIM. THE RIM IS 2 INCH BIGGER IN DIAMETER TIRE HEIGHT AND RIM WILL GIVE CAR CORRECT WHEEL HEIGHT.IF YOU DONT HAVE FACTORY SPARE TIRE.YOU CAN BUY SAME SIZE RIM THAT YOU HAVE ON YOUR VAN AT SALVAGE YARD PUT USE TIRE ON RIM OR GO TO DEALERSHIP THEY CAN GET YOU A FACTORY SPARE TIRE.

Mar 20, 2011 | Mazda MPV Cars & Trucks

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I have a 94 olds cutlass supreme the speedometer does not read right it is off if you are in town but on the highway it is farly right on what can i do to fix this


have you changed wheel size? if you changed your tire rim size,it throws the speedodometer off.in other words if you changed the 15inch rims to '18 inch or '20 inch rims you have thrown the speedometer off. because more wheel base is turning on the fround when the cars in motion. speeding tickets,yes! you're putting more wheel base on the road,which will increase the odometer speed as well as the cars. you may think you're doing 65mph with 15inch tires[good] but upsize your rims, you may be as much as 15miles or even 20 miles above the speed limit, or else if no rim change,have your transmission checked for bad speed sensor or the gear that runs the odometer is worn.thank you for choosing fixya.com

Jan 28, 2011 | 1994 Oldsmobile Cutlass Supreme

1 Answer

I have 31x10.5x15 tires on the rear and stock 15in tires on the front of a 96 Jeep Grand Cherokee. The front end is trying to lock in 4 wheel low. Is it because of the different size tires? Can I disable...


Tire size is critical on any jeep but especially so on ones with quadratrac transfer cases. If you run different size tires it will cause the fluid coupler inside the case to overheat and fail. (big$ to repair)
Don't drive it that way and get a matching set of tires on there asap!!!

Dec 12, 2010 | 1996 Jeep Grand Cherokee

4 Answers

Do oversized tires alter the speedometer. The speedometer stated i was going 65 and the state police clocked me at 79 mph.


Most certainly does
You need a different gear in the trans or transfer case,that drives the speedo
Now if the speed sensor is the output,then you will need help. I personally do not know, if a scan tool can reprogram the ecm/bcm etc, to correct for the tire change.

Ask that question next.

Nov 05, 2010 | 2005 Chevrolet Silverado 1500 2WD

1 Answer

Speedometer on 1999 maxima wrong, faster you go the farther off. approx. 20 mph faster at 60 mph. replaced vss.


do you have aftermarket wheel on the car?? bigger wheels can cause speed signal failure resulting in speedo acting up. different size tires will have different circumference causing speedo issues.

Sep 21, 2010 | 1999 Nissan Maxima

3 Answers

Speedometer registers lower speed than car is actually traveling.no check engine light. dealer says can't diagnose without light


If the wheels are stock? The speedometer is a stand alone computer for the speed, And if its not correct the dealer can send it out to calibrate it back to factory specs. Some clusters allow techs to put in tire size to correct calibration, And im pretty sure yours can be set. But only by a dealer.

Jun 11, 2010 | 2003 Chrysler PT Cruiser

1 Answer

17in alloys wheels makes strange sound


what design are they, two thing could be doing it, if the obviouse touching has already been investigated, one is the design, if the spokes/hub sits out further than the rim than the outer of the rim they could be catching the wind and making some freaky noises, or if the center dishes in then maybe they are "loud" tyres by that i mean do the tyres have wide grooves, directional etc, high performance tyres are in principle very noisy. hope this has been handy.

May 15, 2009 | 2003 Hyundai Santa Fe

3 Answers

Bigger tires...


Taller tire have more centrifugal force because they have more mass (weight). A body in motion tends to stay in motion. They also have a larger outer diameter therefore through all the weight to the out side of the tire. requiring more energy to accelerate and more energy to slow down than a smaller tire at the same speeds. This is why I would recommend up graded in your brakes and also lowering your gear ratio( numerically higher) if you are going to larger tires. A lower gear ratio will act as a torque multiplier which will get you moving faster up to speed and also adjust your speedometer to be more accurate.
When you go to larger tires your speedometer will be inaccurate because taller tire have large outer diameter. A taller outer diameter tire will travel farther per revolution than a smaller tire. This cause your engine speed to be lower with taller tires because your vehicles tires are moving slower do to it larger outer diameter.
There your vehicle can be re calibrated through the computer. 4wheel parts offers parts call true speed sensors which also recalibrate your speedometer accurately that is the way i would go. Also maybe up grade to larger master cylinder off a 1 ton Chevy and go with some drill and slotted rotors. You most likely will have better braking with these upgrades than you would stock. keep it safe!

Good luck and have fun.

May 10, 2009 | 1994 Chevrolet K2500

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