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30/06/2021 3:33 pm
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I have a 2013 Toyota that makes a brief engine knock/rattle noise on cold start. This is due to a pin on the cam shaft not engaging due to low oil pressure. I have seen suggestions to install a pre-lube system. The systems are no longer available (ex. amsoil pre-charge). I was considering temporarily disabling the ignition system and have the starter do the pre-lube. Problem is that there would be a trouble code generated. Is there a way to do this and have the code cancel on startup?
T-SB-0041-13 March 15, 2013 Technical Service Bulletin Brief Engine Knock/Rattle Noise at Cold Startup (1AR/2AR)
3 Answers
1
30/06/2021 4:10 pm
a block heater would at least get oil to the camshaft quicker
1
30/06/2021 4:22 pm
Are you sure this isn't a timing chain problem?
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30/06/2021 5:57 pm
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The car is 2013 Toyota Corolla with 50,000 miles and it is an automatic. No codes.