I have a 95 Lexus es300 and it's throwing a code p1600

SOURCE: how to change lexus es300 2002 cabin air filter

I just changed the cabin filter of my ES300. I found the instructions on the manual, under airconditioning and audio. It's pretty easy to do. I bought the filter from Kragen's for $21.95.

SOURCE: amplifier location 1993 lexus es300

My Son has a 95 es300, the amp for it is located under the front passenger seat. The easiest way to access it is to remove the 4 bolts holding the seat down, and remove the seat. Takes about 5 minutes

SOURCE: 2002 Lexus ES300 Check Engine Light

You can disconnect your battery for a short period of time, 5-10 minutes should do it. There is no guarantee that the check engine light will not come back on in time, but it will make it go away at least temporarily.If you go to Autozone, 99% of the time they will hook up a code reader and diagnose your problem. It may be a minor and/or inexpensive fix. Please vote appropriately and leave feedback. I hope this helps and good luck.

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SOURCE: LEXUS es300 oil light stays on oil level full

Check oil level sensor, replace if necessary. also, does your engine knock or make a tapping sound?

SOURCE: valve cover gasket leak on 95 lexus es300. how do

Take the valve cover bolts off then get the new gasket on or use permatex gasket glue than put it back together