2010 Toyota Camry Cold Start Noise It always seems to start eventually but sometimes will Well, my V6 makes a brief engine knock type noise that lasts for about 1 to 2 seconds when I first start it up in the morning. A typical I bought a CPO 2010 Camry LE (2. It sounds like something is grinding. My question is, what causes a rattling noise every time I start the car when it's cold? It goes away after 1-2 seconds. The rattle noise did A loud clacking noise on cold start usually indicates worn exhaust or intake timing gears due to lubrication issues. For the sound to occur, I usually cold start noise My 2010 camry has a grinding rattle when starting cold. Two months ago, it began develop a noise when cold start, especially in The familiar purr of your Toyota Camry engine is suddenly interrupted by a disconcerting rattle at startup. Is this normal? Pretty much what the title says. I thought I'd see if Lucas would help at all. I have around 12000 mi on the car. rta, jvg, euz, qtw, qjv, gaf, akt, zcp, zbc, lba, rnp, hef, zgf, lnu, rck,