Question about 1999 Mazda Pickup

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How do I replace a bad(??) ABS speed sensor?

Do my symptoms suggest a bad ABS speed sensor? And if so how do I find and replace it? Symptoms: The idiot lights for "ABS" and "check engine" are on. Also the speedometer does not work at speeds lower than about 40. Occasional stall at idle.

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  • Riicky Jun 08, 2008

    2001 olds intrigue both abs nd traction control lighgs as well as service engine come on when driving, reset when car s turned off and then restarted bit go on when car is diven a few 100 feet. does ab sensor also effect tracton cntrol function, if so should replacing seed sensor on front wheel, apperars to be left front fom sound, solve this problem?

  • kthamb Apr 10, 2009

    ABS and engine light came on and stayed on after having front end alligned took it back and he got the engine light off and code said rear speed sensor I haven't had a chance to fix it yet

  • sonyareynold
    sonyareynold Oct 19, 2012

    Where is ABS speed control sensor located on a 2000 Mazda?

  • Anonymous Mar 13, 2014

    idle high in park and neutral and stalls

  • Anonymous Mar 18, 2014

    What are symptoms of bad starter motor



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I cleared this by replacing the sensor mounted on top of the rear differential housing.

Posted on Feb 15, 2009


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Is my crank sensor faulty, symptoms of a faulty crank sensor 2000 Rodio 3.2 L

Intermittent stalling. Another symptom commonly associated with a problematic crankshaft position sensor is intermittent stalling. If the crankshaft position sensor or its wiring have any issues, it can cause the crankshaft signal to be cut off while the engine is running, which can cause the engine to stall.

Symptoms of a Bad Crankshaft Sensor '
This makes it an important part of your engine system; a bad crankshaft sensor affects not only the engine speed but also the fuel efficiency of your car.

7 Crankshaft Position Sensor Failure Symptoms ' 1 - Check Engine Light. This can be frustrating as the check engine light can obviously turn on for many different things. 2 - Cylinder Misfiring. 3 - Acceleration Hesitation. 4 - Intermittent Starting. 5 - Engine Vibrations. 6 - Backfiring and Stalling. 7 - Irregular Car Function.

Warning Signs of a Bad Crankshaft Position Sensor ' Ignoring the symptoms of a bad crankshaft position sensor will result in rapid wear and tear of the various parts of the engine and will quickly lead to engine ...

Symptoms of a Bad or Failing Crankshaft Position Sensor ... Jan 6, 2016 - Intermittent stalling. Another symptom commonly associated with a problematic crankshaft position sensor is intermittent stalling. If the crankshaft position sensor or its wiring have any issues, it can cause the crankshaft signal to be cut off while the engine is running, which can cause the engine to stall. ‎Crankshaft sensor · ‎Car is stalling Inspection · ‎How Long Does a Crankshaft ...

Symptoms of a Bad Crankshaft Sensor - Buy Auto Parts Problems you will run into when your crankshaft position sensor has gone bad.

symptoms of faulty crank sensor Google Search

Sep 22, 2017 | Cars & Trucks

1 Answer

The ABS light on my 2002 Toyota Avalon is on,speedometer's not working & the transmission shifts poorly. Our mechanic said it needs an ABS control module. Would the ABS module cause those symptoms?

I would have a scanner hooked up and look at the signal from the Vehicle speed sensor before replacing the outrageously expensive ABS unit.

Jul 26, 2017 | Toyota Cars & Trucks

1 Answer

I have a 1999 suzuki grand vitara 2.0 5 speed what speed sensor do I need and what colour

easter egg hunt 1million
Car speed?
or ABS speed sensors. we cant guess, whats wrong, can we.?
USA car,? we are USA, cars not here are vastly different.
why ask not telling problem? scans told you sensor is bad
post the DTC error. speedo dead.Odom, dead? what?
J20 engine ,
5 speed stick shift box. manual trans,,m/t
4wd or 2wd?
toss coin NOT ABS sensors.
there are 2 speed sensors ill do all 3 permutations of car
4wd one or tail of transfer case
2wd one on tail of 5speed box.
any, the backup speed sensor in the speedometer cluster
89-98 years and was deleted 1999, usa.

why ask ,tell why. so we can be on the same page and
not have to document all the above.

color is of on concern, only correct part numbers matter !!!

colour (non usa spelling) is my only real useful HINT.
never said speedometer fails. or odometer fails
the trans is manual so no speed sensor needed ever there to shift automatially,its a stick

scan it yet.?

i looked at our 1999 usa GV . serv. man
best i can tell speedo has new electronic head.
no speedo cable. first year, in fact. (i owned a 97 and 04)

so when VSS goes dead (say)
the speedo goes dead
odom goes dead
and ECU sets DTC errors for VSS dead.
3 clear symptoms.
some cars have different VSS1 to match, axle gears.
the vss gear on end .

on newer cars with stick shift
like mine now
the aBS sends speed to PCM
so there is no transmission speeds sensors at all , 6sp, m/t
so lacking symptoms, me bollixed.

Feb 28, 2017 | 1999 Suzuki Grand Vitara

1 Answer

I need some codes for a 98 Dodge Durango po300/po302/po304/p1391/po307

P0300 - Random Misfire code
P0302 - P0304 and P0307 - Misfire code on cylinder #2, #4 and #7
This description and procedure work in all cylinders failed; A P0302, P0304 and P0307 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #2, #4 and #7.

Symptoms may include:
the engine may be harder to start
the engine may stumble / stumble, and/or hesitate
other symptoms may also be present

A code P0302 may mean that one or more of the following has happened:
Faulty spark plug or wire
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector
Burned exhaust valve
Faulty catalytic converter(s)
Running out of fuel
Poor compression
Defective computer

Possible Solutions:
If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

P1391 - Rough Road Sensor Performance

Circuit/System Description:
The engine control module (ECM) identifies engine misfire by detecting variations in crankshaft speed. Crankshaft speed variations can also occur when a vehicle is operating over a rough road. The ECM receives a rough road signal by a rough road sensor or an electronic brake control module (EBCM), if equipped with the antilock brake system (ABS). The ABS can detect if the vehicle is on the rough surface based on wheel acceleration/deceleration data supplied by each wheel speed sensor. This information is sent to the ECM by the EBCM through the rough road signal circuit. For vehicles without ABS, the ECM receives a rough road signal from a wheel speed sensor located at the front left wheel. The ECM can determine if the vehicle is on a rough road surface based on the signal from the wheel speed sensor.

Conditions for Running the DTC:
* The vehicle speed is between 5-100 km/h (3.1-62.1 mph).
* The DTC runs continuously when the above conditions are met.

Conditions for Setting the DTC:
The ECM detects that the change in rough road wheel speed sensor signal is less than 2 km/h (1.2 mph) while the change in vehicle speed is greater than 5 km/h (3.1 mph).

Circuit/System Testing
- Ignition OFF, disconnect the harness connector at the B171 Rough Road Sensor.
- Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal 2 and ground.
* If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance. If the circuit tests normal and the ignition circuit fuse is open, test all components connected to the ignition circuit and replace as necessary.
- Ignition ON, test for 0.2-0.8 V between the signal circuit terminal 1 and ground.
* If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K20 ECM.
* If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the K20 ECM.
- If all circuits test normal, replace the B171 Rough Road Sensor.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

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May 04, 2012 | 2004 Dodge Ram 1500

1 Answer

What are the symptoms of a speed sensor going bad on a 1997 jeep grand cherokee laredo 6 cyl.

Since alot of things rely on data from the speed sensor you will "usually" get an ABS alarm, little or no shifting,no indication of speed on the speedometer, and the check engine light. without the abs light and with a speed indicated I would lean toward a transmission problem

Nov 10, 2011 | 1997 Jeep Grand Cherokee

1 Answer

My abs light has come on and i added brake didnt help.also my speed odometer isnt working.suddenly.

  • Sounds like your ABS sensor needs replaced. The speed sensors sends signals to the computer for the ABS and that is the sent to the speedometer. No ABS - No signal.
  • To get to your ABS sensor you can jack the car up and remove the tire and it will be inside (on the top) of the HUB (bearings) on the spindle. When you remove the ABS sensor follow these steps to test each one before replacing it.
  1. Remove the ABS sensor.
  2. You will see two contact points on the end of the plug.
  3. Get a multi meter and set it to Ohms and put negative to negative and positive to positive from your multi meter to the contacts on the ABS sensor. You should get the same reading of Ohms as the sensor is. If not then it needs replaced. You did not list the year, make or engine size of your Volvo so at this point I cannot tell you the Ohm rating of your sensors. You can find this information out in your car manual or a simple call to a parts store.
  • That being said the alternator going bad can do this too. But there is more symptoms to go with the ones you expressed. The car may ****, things may not be working as usual, lack of power. These are because the alternator goes bad and the battery can not keep up and the car could die sometime.

Regards, Tony

May 02, 2011 | Volvo V40 Cars & Trucks

1 Answer

EtON 1999 Dodge Ram 2500 4x4 Diesel 5 speed trans. ABS light on, brake light on and speedometer starts working about 20mph.

there is an ABS sensor on top of the rear axle, and they are known to cause these symptoms-check the wiring, connector, and replace it if necessary, they are about $30 and is held in place with one bolt.

Mar 23, 2011 | 1999 Dodge Ram

2 Answers

2001 Explorer Sport ABS problem

look for a bad(broken/bent teeth) or contaminated sensor tone ring on the front wheels, check the front ABS Speed sensors too, for grease , looseness, etc

Oct 07, 2009 | 2001 Ford Explorer

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