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Hi All,
A strange occurrence on the drive to work today: I was about 15 miles into my 50-mile commute, when I received a warning chime, exclamation point, and the ABS light came on. Shortly after that, an alert on the radio panel told me about "brake-light failure."
Soon after this, I noticed some strange things: the car's acceleration started to bog down if I gave it significant gas in 5th gear (at about 2700 rpm/60 mph). At the same time, the cruise control shut itself off entirely. Moreover, if I depressed the rearward-facing fog/visibility lights, the engine felt very strained, as if merely turning on that lamp was depriving the car of needed electrical power.
I turned around, drove back home, and borrowed my girlfriend's car to get to work, and when I get home this afternoon, will begin trying to determine the culprit. But what are some likely suspects? I did replace the alternator 4 1/2 years ago (using a rebuilt one). The serpentine belt and idler pulley are fine, and while this doesn't necessarily mean much, the battery is less than 3 months old.
Any pointers on where I should look?
UPDATE (home from work now)
I've done a rudimentary check of the alternator-output and the battery. The battery is at 12.46v static, and when running, voltage at the posts is 14.5 or so. Brake fluid is fine. I have *not* checked the hatch-area ground points; I'll do that in the morning.
The ABS warning light is no longer coming on, now that I've come back home after a day at work. (The car's been sitting at home all day.) But perhaps a ground failure would allow this problem to be intermittent.
It starts up just fine, but I do still get a "brake-light failure" warning, and if I depress the brake pedal with the car running, it will bog down to almost a stall.
I'm as puzzled as can be. I removed the brake-light modules; the bulbs themselves *look* fine (I could be missing something, of course). But geez--even if one was blown, I don't think engine bogging would result. Does anyone see a relation between a brakelight failure warning, and engine bogging with the brake pedal depressed?
best,
David
posted by 64.188.220...
, Sat, 20 Feb 2010 13:21:29
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