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Porsche Technical Articles

This category contains 52 posts

2007 Porsche Cayman – What a Low Pressure Oil Light Looks Like

Let’s call this a Public Service Announcement-Many of us will have never seen what annuciations occur on a Cayman 987 dashboard when you have low or no oil pressure. To revisit history, the Porsche Cayman, when released in 2005, did not have an oil pressure gauge (or a dipstick!). A quick review of the internet … Continue reading

2007 Porsche Cayman – Treat Yourself to New Carpet While You Can

I replaced a large percentage of the carpet in my wife’s 2006 Cayman S last year, due to mouse damage. See that story here. At that time, most but not all of the pieces were available via my local dealership, although some waiting was required. That car has a natural brown interior. More recently, I … Continue reading

What I Learned While Diagnosing OBD Fault Codes P0421 and P0431 – Part 2

Part 1 of this article can be found here. The problem with my 2007 Porsche Cayman S was different from the run-of-the-mill cat or O2 sensor failure. I had just spent several months rebuilding the engine (see articles here). BTW my engine designation is M97.21. All the suspect parts were new. I had a new … Continue reading

What I Learned While Diagnosing OBD Fault Codes P0421 and P0431 – Part 1

You have probably landed on this article after doing a search on OBD Fault Codes P0421 or P0431. I’m going to start out at a high level (Part 1) then take a deep dive (Part 2). The deep dive will probably make your eyes glaze over but trust me, information is power if you are … Continue reading

Bore Score Inspection Through the Sump for a PPI – Is It Practical?

OK, so it’s a bad weather day, like everywhere in the US right now, so let’s have a little discussion about bore score inspections “thru the sump”. Nothing definitive here, just my thoughts. I’ve just finished rebuilding my 2007 Cayman S M97.1 engine so this discussion is biased towards that engine design. But from what … Continue reading

Porsche M97 Engine Oiling System Explained

My article on the Oiling System of a Porsche 944 engine has been very popular on my website. I suspect that occurs mainly because folks have a problem with their 944 oil pressure and via a Google search they find their way to my article. You may have reached this article because you are experiencing … Continue reading

Porsche Cayman 987.1 – Recaro Pole Position Seats

I purchased my 2007 Cayman S with the intent of making it track worthy but still acceptable to use on the streets, to run errands or take a longish drive. For my track car, I try and do safety upgrades first, then I worry about performance aspects. So the two times I have taken it … Continue reading

Porsche 987 Cayman Tech Tip – Ignition Key Not Responding

Last week I drove my 07 Cayman S to the local Porsche dealer to pick up an interior part that had come in. I went back out to my car. Inserted the key and tried to start the car. Nothing. No crank. No dashboard lights. Well, if your car is going to conk out, what … Continue reading

Porsche Cayman 987.1 New Dash Gauge Face

Recently I completed a task on my wife’s 06 Cayman S, which was to replace the dash gauge face overlay. As a Christmas present, I had given her an IOU to replace her horrible sticky HVAC control knobs and to replace the faded dash guage face. The replacement of the knobs is done and discussed … Continue reading

83-85 Porsche 944 – Vacuum Hoses

A thread popped up on Rennlist recently regarding vacuum hoses on early cars. The following is not definative but it may help. As an aside, the Y shaped venturi tube is shown in the photos. Some folks want to take this off, for reasons I am not sure of. It’s purpose is to provide a … Continue reading

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