Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies Created Viewing 3 replies - 1 through 3 (of 3 total) Author Replies December 28, 2021 at 9:35 am in reply to: Engine Knock on start-up? Why? #993241 Lou MerrellParticipant No, your RAV4 is not an interference engine. But I would trip the light and read the code. December 28, 2021 at 3:09 am in reply to: Engine Knock on start-up? Why? #993240 Lou MerrellParticipant Try to start it to trip the light and connect a scanner to read the code. December 28, 2021 at 3:06 am in reply to: Engine Knock on start-up? Why? #993239 Lou MerrellParticipant I know that on my 2003 Chevy tracker (2.0 Suzuki interference engine) that a rattle on start-up may indicate a failing timing chain hydraulic tensioner. Not sure if this is the engine in your Rav 4 though. Author Replies Viewing 3 replies - 1 through 3 (of 3 total)