Question about Toyota Avalon

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I have three questions regarding my 2000 Toyota Avalon: 1) How often should or at what mileage should you have a complete engine tune-up? 2) How easy is it to change the cabin filter and how often should it be changed? 3) My mechanic says there is a spark knock in the fuel injection system, will a fuel additive cure that problem or what would be best ?

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  • gdraper Jun 22, 2009

    1) So with a 134,000 miles I guess it's safe to say I need a tune-up. My mechanic says it will be approx. $300. Ouch!!! What do you think?

    2) How difficult would it be for me to change the cabin filter? And when should it be done? What would have caused the mechanic to recommend this change?

    3) So would a tune-up more than likely solve this problem or would additionsal work be necessary. Please don't refer me to a website. I foound it lengthy and to technical. My question was whether a fuel additive would help or eliminate this problem. You didn't answer it but after reading the website you referred me to I take it it would be more involved than simply putting in an additive.

    4) Another question I forgot to ask, how often should I have the power steering fluid changed?



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I am glad to be of assistance. I can give you what Toyota says what you need to do but before you do this you will need to rob a bank or win the lottery.

1. the tune up is basically replacing the spark plugs and maybe the wires. He may want to replace the egr valve, maf sensor antiknock sensor and TPS (throttle position sensor). This could be costly. this should be done at 96 months or 120,000 but my brother has the same car and it has 160,000 with no change of any of that stuff.

2. If you are a smoker I would suggest changing the cabin filter and if you have a little patients you can do it yourself

It's located behind the glove compartment, disconnect the retaining rod on the right side, it looks like a small shock absorber, then you can squeeze the sides of the glove box in to make it drop down, there is a gray cover, this is the filter undo the clips on the sides and it will pull out. the part should ot be more than $15.00

with the price he will charge you. You can pickup the Haynes repair manual and filter and still save money

with that being said you can inspect the filter every 5 months. The filter is normally changed more in areas with more dust or pollen.

As for the spark knock may I suggest using Lucas fuel injector cleaner. also the air intake has the TPS sensor and Antiknock sensor if the lucas doesnt fix the issue you may use a carberator cleaner on air intake to knock the dust off the sensor.

Posted on Jun 22, 2009

  • Raymond Ramirez
    Raymond Ramirez Jun 22, 2009

    by the way you can use this site for the schedule maint.


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ANSWER Q1 : According to the toyota your vehicle isn't due for a tune-up for 120,000 miles.

ANSWER Q2 : The procedure to install a cabin filter is no different than for the newer models. The instructions come with the cabin filter itself (Toyota part # 88880-41010).

Installation Procedure:
1) Remove undercover. 2) Pop off the airbag harness cover with a screwdriver. 3) Pass the airbag harness cover through the opening. 4) Remove 3 screws and 2 bolts holding the glove box. 5) Remove trunk opener switch connector (if applicable) and remove the glove box. 6) Remove the filter tray and replace the filter (hold the left and right knobs at both ends of the filter case at the same time and pull out the knob to the front). 7) The filter must be assembled with the "UP" mark on the filter facing the same direction as the same mark on the filter case.

Here is a tutorial on prevention of engine knocking :

Hope I helped with the repair of your problem.
An Accept from you is how I get paid.
And a positive feed back tells me how I did with the repair.


Posted on Jun 22, 2009


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