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Too much oil and gas being burned.

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  1. Why is my 2003 Toyota matrix burning too much oil and gas. I had the front trans, rear front main seal replaced

Which engine? Mileage?

It's the Ezz1 2.4

3 Answers
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Posted by: @gslim1979

Is it a bad thing to have excessive oil and gas consumption

Well, it's not a particular good thing. More information is needed.

How much oil and gas is it using? How much have you done in the way of diagnostics? How old is your air filter? Spark plugs? Was oil usage reduced when you had the seals replaced? Have you tried replacing PCV valve, cleaning MAF sensor and throttle body? Have you tested the upstream O2 sensor? Any info in codes or live data? A wet vs. dry compression test will tell you if your engine is worn out.

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You said burning, not leaking.  Probably because the engine is just worn out after 19 years.

Is it a bad thing to have excessive oil and gas consumption

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Posted by: @gslim1979

Is it a bad thing to have excessive oil and gas consumption

yea.

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