Question about 2003 Ford Focus

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I have a problem with my braking system; sometimes the ABS lamp turn-on.

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You may have a sensor going bad you need to have it checked out by a shop by method of abs scanner or have your breaks serviced very important check it now before it gets worse

Posted on Sep 24, 2009

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Posted on Jan 02, 2017

  • 12 Answers

SOURCE: 2002 Suburban ABS System Brake Light

I have had this same problem on two difference vehicles both of which are suburbans.

The solution is simple.
Remove the engine cover.
Locate a small ground wire that is bolted to the top rear of the engine block on the passenger side.
Remove the bolt, clean surfaces and replace.

This should solve your problem.

I know it seems too easy but it works.

Posted on Mar 02, 2009

  • 58 Answers

SOURCE: abs, brake lamp won't stay running

try to change the speed sensor and the differential sensor,good luck to change it cost of the parts is about 60 dollars both.

Posted on Sep 15, 2009

  • 10993 Answers

SOURCE: 1997 Saab 9000 weird ABS problems:

have car scanned auto zone -advanced auto and some other auto stores will do this for free most likely one of your sensors is starting to go bad usually will activate at low speed under 10 mph as ur slowing down do check this problem early as abs can cause vehicle to stop longer

Posted on Oct 05, 2009

alicantecoli
  • 22095 Answers

SOURCE: When I drive my volvo v70 99 sometime brake lamp

Honestly dont know about this one ,seems to be a product fault ,and the best people to ask is the local volvo garage ,Yes i know about dealer so called mechanics and they are the **** of many jokes in the motor trade but they do have more idea about silly niggly faults like this on their own brand than a general motor mechanic .

Posted on Dec 15, 2009

  • 1 Answer

SOURCE: abs lamp; brake both on????

YES THEY ARE BOTH ON HOW CAN I FIX IT MY SELF.

Posted on Mar 11, 2010

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Abs light on 2002 ford explorer xlt


The ABS system means the Antilock Brake System. If the ABS lights on the dashboard permanently the ABS system is faulty. You must access the ABS Electronic Control Unit (ECU) memory to pull out all DTC (Diagnostic Trouble Codes), using diagnostic equipment connected to the data link connector of the car. Then you will be full informed about bad pieces (e.g.: front right wheel abs sensor interrupted, ...). After bad pieces replacement you will be able to erase all faults memored by ABS ECU, in other words reset the ABS system and turn off the warning lamp on dashboard.


Oct 22, 2011 | 2002 Ford Explorer

1 Answer

ABS LIGHT AND TRACTION CONTROL LIGHT STAYS ON


ABS = Anti-lock Brake System.
TC = Traction Control System (Engine Control Module).
If the ABS lights on the dashboard permanently the ABS system is faulty. You must access the ABS & TC Electronic Control Units (ECU) memory for pull out all DTC (Diagnostic Trouble Codes), using diagnostic equipment connected to the data link connector of the car. Then you will be full informed about bad pieces (e.g.: front right wheel abs sensor interrupted, ...). After bad pieces replacement you will be able to erase all faults memored by ABS ECU, in other words reset the ABS system and turn off the warning lamp on dashboard.

I suspect bad brake pedal switch, but you should scan the ABS & TC ECU's.

Jul 02, 2011 | 2001 Jaguar XJ8

1 Answer

I have problems with the abs sistem.


The ABS system means Anti-locking Brake System. If the ABS lights on the dashboard permanently the ABS system is faulty. You must access the ABS Electronic Control Unit (ECU) memory for pull out all DTC (Diagnostic Trouble Codes), using diagnostic equipment connected to the data link connector of the car. Then you will be full informed about bad pieces (e.g.: front right wheel abs sensor interrupted, ...). After bad pieces replacement you will be able to erase all faults memored by ABS ECU, in other words reset the ABS system and turn off the warning lamp on dashboard.

Feb 06, 2011 | 2000 Audi A6

1 Answer

When driving my 2000 pontiac sunfire, I will use my brakes and sometimes they go to the floor and the car barely comes to a stop. Sometimes they work fine though. If I pump the brakes they work fine as...


try this ABS bleeding procedure:

WITHOUT TECH 1® OR T-100®

Do not place your foot on the brake pedal through this entire procedure unless specifically instructed to do so.
This method can only be used if the ABS warning lamp is not illuminated and not DTC's are present.
  1. Remove your foot from the brake pedal.
  2. Start the engine and allow it to run for at least 10 seconds while observing the ABS warning lamp.
  3. If the ABS warning lamp turned ON and stayed ON after about 10 seconds, the bleeding procedure must be stopped and a Tech 1® must be used to diagnose the ABS function.
  4. If the ABS warning lamp turned ON for about 3 seconds, then turned OFF and stayed OFF, turn the ignition OFF .
  5. Repeat Steps 1-4 one more time.
  6. The entire brake system should now be bled by following the guide or pressure bleeding procedure.

Manual Bleeding
See Figure 3
  1. Clean the master cylinder fluid reservoir cover and surrounding area, then remove the cover.
  2. Add fluid, if necessary to obtain a proper fluid level, then put the reservoir cover back on.
  3. Prime the ABS hydraulic modulator/master cylinder assembly as follows:
    1. Attach a bleeder hose to the rearward bleeder valve, then submerge the opposite hose end in a clean container partially filled with clean brake fluid.
    2. Slowly open the rearward bleeder valve.
    3. Depress and hold the brake pedal until the fluid begins to flow.
    4. Close the valve, then release the brake pedal.
    5. Repeat Steps 3b-3d until no air bubbles are present.
    6. Relocate the bleeder hose to the forward hydraulic modulator bleeder valve, then repeat Steps 3a-3e.

  4. Once the fluid is seen to flow from both modulator bleeder valves, the ABS modulator/master cylinder assembly is sufficiently full of fluid. However, it may not be completely purged of air. At this point, move to the wheel brakes and bleed them. This ensures that the lowest points in the system are completely free of air and then the assembly can purged of any remaining air.
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Fig. Fig. 3: ABS hydraulic modulator/master cylinder bleeder locations

  1. Remove the fluid reservoir cover. Fill to the correct level, if necessary, then fasten the cover.
  2. Raise and safely support the vehicle.
  3. Proceed, as outlined in the following steps, to bleed the wheel brakes in the following sequence: right rear, left rear, right front, then left front.
    1. Attach a clear plastic bleeder hose to the bleeder valve at the wheel, then submerge the opposite hose end in a clean container partially filled with clean brake fluid.
    2. Open the bleeder valve.
    3. Have an assistant slowly depress the brake pedal.
    4. Close the valve and slowly release the release the brake pedal.
    5. Wait 5 seconds.
    6. Repeat Steps 7a-7e until the brake pedal feels firm at half travel and no air bubbles are observed in the bleeder hose. To assist in freeing the entrapped air, tap lightly on the caliper or braking plate to dislodge any trapped air bubbles.

  4. Repeat Step 7 for the remaining brakes in the sequence given earlier.
  5. Carefully lower the vehicle.
  6. Remove the reservoir cover, then fill to the correct level with brake fluid and replace the cap.
  7. Bleed the ABS hydraulic modulator/master cylinder assembly as follows:
    1. Attach a clear plastic bleeder hose to the rearward bleeder valve on the modulator, then submerge the opposite hose end in a clean container partially filled with clean brake fluid.
    2. Have an assistant depress the brake pedal with moderate force.
    3. Slowly open the rearward bleeder valve and allow the fluid to flow.
    4. Close the valve, then release the brake pedal.
    5. Wait 5 seconds.
    6. Repeat Steps 11a-11e until no air bubbles are present.
    7. Relocate the bleeder hose to the forward hydraulic modulator bleeder valve, then repeat Steps 11a-11f.

  8. Carefully lower the vehicle, then check the brake fluid and add if necessary. Don't forget to put the reservoir cap back on.
  9. With the ignition turned to the RUN position, apply the brake pedal with moderate force and hold it. Note the pedal travel and feel. If the pedal feels firm and constant and the pedal travel is not excessive, start the engine. With the engine running, recheck the pedal travel. If it's still firm and constant and pedal travel is not excessive, road test the vehicle and make sure the brakes are operating properly.
  10. If the pedal feels soft or has excessive travel either initially or after the engine is started, the following procedure may be used:
    1. With the Tech 1® scan tool, Release then Apply each motor 2-3 times and cycle each solenoid 5-10 times. When finished, be sure to Apply the front and rear motors to ensure the pistons are in the upmost position. DO NOT DRIVE THE VEHICLE.
    2. If a Tech 1® scan tool is not available, remove your foot from the brake pedal, start the engine and allow it run for at least 10 seconds to initialize the ABS. DO NOT DRIVE THE VEHICLE. After 10 seconds, turn the ignition OFF . The initialization procedure most be repeated 5 times to ensure any trapped air has been dislodged.
    3. Repeat the bleeding procedure, starting with Step 1.

  11. Road test the vehicle, and make sure the brakes are operating properly.

Oct 12, 2010 | 2000 Pontiac Sunfire

2 Answers

ABS light on 80K miles


I would say if you are not having problems with your brakes ( ABS means Anti-lock Brake System) then it is probably a broken wire on the wheel sensor that is right next to the drive shaft.
Have someone plug an OBD II reader in and see if you have any codes, please letme know what you find.
If you are having brake problems take your car in and have a reliable auto center repair.

Feb 07, 2010 | 1995 Buick LeSabre

2 Answers

ABS PT lights come on dash when driving is this a big problem


the abs system does not have any thing to do with regular brakes. the brakes should work just fine anyway. the abs system maintains vehicle control on most surfaces.directional stability, and optimum deceleration under severe braking conditions.

Dec 30, 2009 | 2005 Chevrolet Cobalt

2 Answers

ABS light goes on and off


Sounds like you have loose brake pad linings.
The traction control measures rotational speed between each rear wheel. If your pad lining momentarily causes one wheel to hesitate your trac control will flash. As the ABS detects braking without the brake pedal being pushed, it will flash.
Check your emergency brake pads. They can fall apart inside the drum/rotor combo on the rear. That is where your sensor is for the ABS.

Aug 15, 2009 | 2003 Ford Mustang

2 Answers

My DSC and Brake warning lamps continuously light up in yellow once the engine has warmed up. They remain on after driving for a while and sometimes they shut off. Any ideas?


Check to see if your brake pads and rotors are in good condition. Or if you have replaced the pads yourself and have not reset the wheel sensors this would cause the ABS Antilock Brake System light and the ASC Automatic Stability Control light to stay on as the ASC uses the ABS brakes with computer assistance to control the car

Jul 09, 2009 | 2001 BMW 325

2 Answers

My abs light is always on and now my brake warning light is on but brakes seem to be working fine


The ABS light is a warning that you have an issue with the ABS system. The red brake warning lamp is serious. It is telling you that there is an issue with the base brakes. Your car will be ok with an ABS light, but the red warning lamp could be really dangerous. You should have them checked ASAP. It could be from many causes. A park brake switch, low fluid, the causes are too numerous to list. Please for your safty have it checked. Good Luck

May 29, 2009 | 1997 Chevrolet Malibu

2 Answers

Anti lock brakes


depending on the system if it is 2 channel or 4 channel one of the sensors that are located on the backing plate located behind calipers is eithier faulty or dirty you can try brake cleaner these sensors use a small magnet pickup device to sense when the wheel "locks up"

Jul 20, 2008 | 1985 Audi 5000 S

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