i drive about 70 yds then the abs light comes on?

1998 FORD EXPEDITION

140,000 MILES • V8 • 2WD • AUTOMATIC

GEORGE GONZALEZ

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im driving i step on the brake pedal it is so so so hard that i cant stop . so i let go & step again & again then it works fine but pulls to the rite . i drive about 70 yds then the abs lite comes on & all is working fine. along as the abs light is on all works fine. but if the abs lite dose not come on i know it will do it again. when i start the car all the time the abs lite is off . if i drive for about 70 yds if the abs lite don't come on i know it going to do it again. i replace all the abs sensors & clean all off.
what is going on please help???????. george

Mar 3, 2010 at 7:04 PM

SQM

CERTIFIED EXPERT
6,383 POSTS

Hello,

This issue could be triggered by the electronic brake control module.
A faulty module can give you this type of issues.
The 4 Wheel Anti-Lock Brake System Module is located at the left side of the engine compartment.

Since you get the ABS light on the dash, the good first step would be to scan and retrieve the ABS codes. This can help with the diagnostics. As you do not want to replace a part that is not necessary.

Here is a helpful video:

https://youtu.be/rTtAnsOlZU4

I have attached diagrams for your reference.

Please let me know if you have any questions.
Thank you.

Images (Click to enlarge)

Oct 24, 2021 at 5:09 PM