VVT? Camshaft positioning

BrendanCPhT

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Mazda 6i
07 Mazda6 2.3L. Too end noise like rattling then stalling when at idle. Like having a bad alternator. Replaced alternator. No change. Issue took out the six year old battery so that was replaced too. Codes P0011 and P0016. Camshaft timing over advance bank one. And crankshaft camshaft timing. Found TDC and tried to get the cams into timing. Replaced valve timing solenoid while I was there. Car ran good. For a day. The the idle started to fluctuate up and down rapidly until it would stall out. Did the timing process again. No luck. I notice that the intake cam moves quite a bit without the VVT CAM GEAR moving at all. I don't think this is normal. What's going on with this car?
 
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