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The P1009 is pointing to a problem in the variable vale timing system. There are a few things that can set this code. First, the VTC strainer should be checked for clogs. If found, the strainer can be cleaned and then the engine oil and filter should also be replaced. If there are no clogs found, VTC oil control solenoid valve will need to be tested. If ok, the VTC actuator will need to be checked. If ok, the oil passages will need to be checked for clogs (this is where the "engine flush" is done). This shouldn't require any PCM updates, as more commonly it's a clog or a faulty solenoid. Please remember to leave a rating using the 'stars' or click 'Accept'. A 5-star rating is very much appreciated! Rating or accepting my answer does not cost you extra.
Hi. I noticed this thread was still open, so I wanted to check in and see if there was anything I could do to assist on this? Any other questions you had? Anything else I can provide?