22 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHNeed Help in CT
Leading reported evidence
Check code
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed · Original poster
The check engine light came on and I checked the code.
Leading evidence: 'Check code' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'cat if its sensor 2' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check back' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed · Original poster
The previous owner changed the exhaust and headers but the cats are original I believe.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed · Original poster
As a new owner of a 996 C2 I have run across a problem.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
22 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
1 acknowledgements have no verified action link; they do not establish a repair result.
Greetings. As a new owner of a 996 C2 I have run across a problem. I acquired my vehicle around 2 years ago from a close friend who fell ill. I drove it a little under his registration when I first got it and then stored it under cover in a heated garage since. I started it and drove it on a small private road every 60-90 days. Recently I registered it for the road. The check engine light came on and I checked the code. O2 sensor bank 1 sensor 2. I swapped the sensors and still get the same code indicating a wiring problem. Can anyone recommend a qualified outfit to troubleshoot the system in the Glastonbury Connecticut area? I am under the gun as I just received a notice to get the emissions check. Thanks in advance.
Before you get crazy try running a large bottle of Seafoam cleaner in 3/4 tank of fresh good gas and take it on a spirited drive keep the rpm’s high burn through half the amount of gas let it sit overnight and repeat till you are empty
my past experience is the car is babied and needs serious exercise
That certainly sounds like a good first step. I just happen to have around 3/4 tank of fuel and a can of seafoam in the shop. The previous owner changed the exhaust and headers but the cats are original I believe. I�ll let you know what happens.
Out of curiosity, do you have aftermarket cats? If so, you may need o2 extensions. Google 996 02 extensions and you will get an idea of what they are. Welcome to the 996 club. It's a great car!
I went through emissions today and failed. As I expected. Before I went I added 16oz. of sea foam and did around 90 minutes of spirited driving, combining some back roads with highway spurts. A most enjoyable time. At the test facility the manager felt it was a wiring problem and not the cat. I should have posted the codes in my first post but here they are.
P111700 Cylinder 1 Sensor 2, Heating circuit short, to ground.
P014000 o2 sensor circ., bank sensor 2, slow response
P013900 o2 sensor circ., bank 1 sensor 2, slow response
The manager maintained the first code indicated a wiring problem. Has anybody had a code like that, and if so, what transpired? Any help is appreciated. And again thanks in advance to everyone who has and will respond.
Sounds like my problem partly I used Bosch boxed items not from FCP and they failed the map sensor went bad as it got hot the Porsche part is $500 but worth it to pass inspection 2 of my 4 02sensors were bad but brand new
it gave me similar codes as yours best to bring it to a good shop so you don’t do like me and pay 2x for the same job
i some what agree with the inspector. Its not hard to do a continuety check back to the dme and then test the voltage at the plug. I would expect 2-3hr diagnostic charge from an indy. Proper diagnostics will prevent u from spending money in parts u do not need.
I would be checking for rodant damage to the harness behind the coolant tank or by the firewall pass through by the main connector on the pass side. My issue was the actual pin in the harness at the dme was spred by a tech and it wasnt making contact.
What r your o2 sensor readings? Most inexpensive readers can see this and even graph it. Unfortunately we wont be much help withiut more telemetry.
Jay, late to the party here, but when you swapped the O2 sensors, are you sure you swapped the post cat sensors and not the pre-cat? I'm in Glastonbury and happy to stick my somewhat educated nose under the hood if it helps.
This does not sound complicated.
If you need a shop, Coventry Motorcar is a good one.
Little late responding. I�m on my way home from the cape. I�m pretty sure I swapped the proper sensors. They were located on top of the cats downstream from the first set.
So I finally got my issue resolved. I recently brought it to Musante Motorsports. They are a Porsche shop and they have the Porsche diagnostic software. They had to access the ECU and locate the proper wire and then run a continuity test on one of the wires from the ECU to the O2 sensor. It appears the wire itself failed, as the connectors and connections were good. After the wire was replaced the codes cleared. I found this very unusual to have a failure like that, as it is invariably the connector or the connection to the connector. A shout out to the guys at Musante.
