My wife's car is a 2003 Camry 4cyl. 131k mi. I had previously had the head job done due to valve seal leakage (smoke at start up). All has been well for a while. Now last week the CEL came on and the code was P0016, the mechanic that pulled the code said most of the time when the cam/crankshaft code shows up the car would not start/run. It seemed to be doing fine. He cleared the code to see if it reappeared or may have been a fluke. It wasn't a fluke......Sunday (the 25th) the CEL came on again and the code was the same, still running ok. Yesterday my wife told me that it seemed to making a rattle noise, popped the hood and at hot idle all was quiet, but when she rev'd it up a little there was a definte rattle that appeared to be coming from the pulley/drive area of the motor. Called a service writer/mechanic friend of mine to come over and we checked it out, he thought it might be a rod by the sound over the phone, but after checking thinsg out, he ruled out a rod issue and feels like it is the timing chain slappiing or either I have a lifter that is stuck.........I do not have a way to record it for anyone, but does this sound reasonable?......it is currently sitting in my garage until I decide where to have it towed, b/c it surely does not sound like it needs to be driven. any ideas or opinions???
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