2002 Ford Focus Is this a short? Or a bad battery? Or WHAT?

Tiny
DCLARY
  • MEMBER
  • 2002 FORD FOCUS
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 70,500 MILES
I just bought this car, and it ran great for the first week. But all of a sudden, now the car seems to be having some sort of electrical problem.

Symptoms: While idling, the dash lights and headlights will flicker, and dim considerably.

While driving, same thing. All of a sudden the dash will dim, the headlights will fade, the radio will turn off, the AC will turn off, and the car will rev like crazy, like it got downshifted into a lower gear. Then a second later, it'll be fine again. It does this every couple of minutes.

I'd like to hope this is just a battery issue. Anyone have any ideas?
Do you
have the same problem?
Yes
No
Tuesday, September 2nd, 2008 AT 5:38 PM

3 Replies

Tiny
2CEXPT
  • MEMBER
Sounds like an alternator problem involving the voltage regulator not controlling the alternator's field windings.
Was this
answer
helpful?
Yes
No
Tuesday, September 2nd, 2008 AT 5:45 PM
Tiny
DANABR2002
  • MEMBER
Hi,

I've got the exact same problem. Interestingly enough, my car has been in the shop for over a week. We've change the alteranator and the ignition switch, but the problem persists. Mine's a Focus 2002 SE / 4 cylinder and symptoms that you've described are an exact match: light go in and out, car sounds like it's working hard radio goes out, and then it clears back up a few minutes later.

So far, nobody has been able to figure it out. The mechanic says they need to experience the problem to properly dianose it. Please let me know if you've found the problem and I'll do the same.
Was this
answer
helpful?
Yes
No
Friday, October 3rd, 2008 AT 10:24 AM
Tiny
RLSJR1976
  • MEMBER
I have the same problem w/2002 Focus. They can't reproduce the problem but are changing the dpfe sensor and air intake sensor. In the last 6 months I have had the battery, alternator, plugs and wires changed.

My car will lose all power for a few minutes and the clock and trip mileage will reset. I can't even shift it out of gear.

I should have it back tomorrow, so if the results are positive I will post.
Was this
answer
helpful?
Yes
No
Thursday, January 29th, 2009 AT 1:46 PM

Please login or register to post a reply.

Sponsored links