miscnick
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| reply to jgkolt
Re: [Help] 1999 Lexus ES300 "vsc activity light" and "vsc off" l
It sounds stupid, but, the first thing to check is tire pressure and condition any time a VSC light does anything it's not supposed to.
If you have 1 low tire, or 1 abnormally worn tire it will play havok on the VSC.
It's related to the ABS and the individual wheel speeds....1 wheel not registering the exact right speed will kick the lights on.
When I say exact i mean it, 1% difference is enough.
By all means check the codes...but check the tires too. |
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jgkolt
Premium
join:2004-02-21
Lakewood, OH
clubs: | thats a good idea to check the tire pressure. ill do that today too. |
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jgkolt
Premium
join:2004-02-21
Lakewood, OH
clubs:
| well the tsb says to replace and O2 sensor and they should be changed under normal maintenance anyways. changed both front o2 sensors and changed the spark plugs. made sure tires were filled appropriately. still haven't checked the DLC1 for codes.
My bet is a vacuum or exhaust leak. testing the car again going uphill at the point the light normally comes on (not always) it is at or past high rpm (4k maybe) and speed and it has switched gears. I hear a slight rattle if i stick my head out at the time. ill jack it up and try to listen for leaks again tomorrow.
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3SGTE
ST215W
Premium,MVM
join:2000-11-23
there
clubs:
| You need to exercise some judgment.
Simply because a bulletin exists does not mean that it is the source of your problem.
You (now) mentioned a rattle noise. I previously mentioned pinging as a consequence of a bad airflow meter.
Connect the dots.
The car has air fuel ratio sensors as the front sensors. The bulletin mentions this. These sensors do not normally need replacement as maintenance.
If the light is coming on/after higher loads and higher engine speeds, then you can basically rule out a vacuum leak.
You need to take some concrete steps toward diagnosing this.
Jacking it up and looking for a vacuum leak isn't the first step.
Please check these and report back:
»Re: [Help] 1999 Lexus ES300 "vsc activity light" and "vsc off" l |
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