2000 Toyota Avalon Q&A
2000 Toyota Avalon Question: check engine light
seems like everyone has the same probem as me... check engine light been on and off for two years, it's always something different...tired of spending money, now engine is knocking like crazy....I keep up with oil changes what causes this? - Visitor
The Avalon is a great car, I have seen the ignition coils fail/fail intermittently, the O2 sensors fail (usually heater circuit) but the knocking sound concerns me. Check the engine oil level first but get this checked out before it turns into something serious/expensive. - patrick mannion
"Knocking" needs to be inspected first hand - only someone actually hearing the noise could give you an idea of cause and / or repair direction. Check engine light's are quite resolvable. A diagnosis needs to be performed and a clear repair direction mapped out. - DaveJHM
My experience was a little different. At 172,000 miles engine low oil pressure light came on. I stopped car and checked oil level --- OK. Drove to my trusted independent mechanic. He wanted to run a oil pressure check --- about $90.00. PSI was 12 at start up then dropped to Zero. He suggested we pull the pan and check the oil pickup screen. I have never seen so much sludge! In fact, the pickup screen was sitting in sludge! We replaced the pickup tube and screen, cleaned the pan and scraped as much sludge off the block as we could. About $350.00 including the oil pressure check. Problem solved, at least for now. This was my fault for "assuming" the filter would catch the sludge that resulted from lots of additives being used during the previous 8,000 mi to fix the sludge problem. The screen is too small to let this stuff through (looked like roofing tar to me). You might want to give this a try before you go for an oil pump or engine overhaul. TexasFrog - Visitor
not shuting engine off at gas pump - Visitor
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It is overdue for an oil change so that would probably explain the check engine light but the other two???