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2003 Toyota Avalon Questions & Answers
2003 Avalon uneven tire wear and failure
You don't say if the wear is on the front or the rear, but I suspect it is on the front. I would take it someone other than the dealer, that specializes in front ends. If it is the front, there is certainly a problem there.
03 Toyota Avalon Check Engine Light and VSC Light
As compgeek09 stated, yes the DTC (diagnostic trouble code) should be found out first. And yes, AutoZone or Advance Auto Parts should be able to retrieve the code for you. Then you should be able to tell how severe the problem is.
Yes, you should still be able to drive the vehicle. When the check engine light starts flashing is when you should stop driving the vehicle. Also, if your city/state require smog emissions, the vehicle will probably fail the test. Then you'll be required to repair the problem.
Lastly, Vehicle Stability Control. That light is probably related to the check engine light since it sounds like they both came on at the same time. The VSC controls engine power. Thus, if there is a problem with the engine (check engine light), the VSC can't do it's job.
Once the check engine light problem is repaired, the VSC light should go off as well.
Airbag light stays on
A component of the airbag system is failing. If you are steering when it flashes it could be the clock spring in the steering wheel. When this light is on you will not have airbags in an accident. only a scanner can pull this info.
How to adjust headlight on2003 toyota avalon
What does it say in the drivers handbook? Look behind the headlamp under the hood for star style plastic knobs for manual adjustment. Does it have electric adjustment? Talk to a dealer?
Ticking noise coming from manifold
Ticking noise coming from the manifold? There are two types of manifold....1. Instake manifold and exhaust manifold. Please indentify and apply as needed.
Intake manifold
1. Double check the nuts and bolts around the intake manifold if you worked on it and had it serviced.
2. Spark plugs loose. Yes!! I've seen this before and it comes the rear of the manifold..very confusing.
3. Check your valves and have them adjusted. (This will require a trained and qulified mechanic).
4. Check your motor oil and power steering pump fluid.
Exhaust manifold
1. Check for loose nuts and bolts.
2. Check the O2 sensors connections...some models have 2-3. They are the sensors sticking into the pipes.
3. Your catalytic converter may have a defect. If possible, remove it and shake it to determine failure. (I've seen and experienced the so called honeycomb inside it breakign apart.)
4. Check the exhaust manifold heat shield if applicable.
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