IMS Failure Options
Thanks for the insight.
I looked up IMS failures online and have emailed NL Engineering for their advice.
Also stopped by a local Porsche dealer, whose tech said he hadn't seen much of these codes, and hadn't observed a consistent cause. His guess was a Variocam solenoid as the most likely cause.
This car has 37398 miles, and the codes showed up after I changed the oil and filter this spring, using a Hengst filter and 15W-50 Mobil 1. Hope the oil change had no influence.
Any potential cause appears to require dropping the engine and opening it up for inspection. Right now I'm armed with a Bentley manual and a desire to minimize how many thousands of dollars this will entail before it's over. Can a person with reasonable engine/mechanical experience, a service manual , and online resources expect to tackle this work successfully?
Thanks for any and all advice.
Patrick Keller
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