5 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHCheck your Oil Filter and MAF readings - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Reported or suspected cause
wrong filter
Reported cause
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
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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 report identifying a cause
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.
Check your Oil Filter and MAF readings - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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Leading evidence: 'wrong filter' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'wrong filter' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Check oil and filter in another 100 miles' (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 suspect a cause
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.
Suspected cause · Original poster
The good thing is we didn't see any metallic silvering or grayness in the oil so probably the damage is limited.
Check your Oil Filter and MAF readings - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Check oil and filter in another 100 miles
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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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 contain suggestions
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.
Suggestion · Original poster
I will check the oil and filter in another 100 miles to see if any damage.
Check your Oil Filter and MAF readings - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Clean i saw nearly 100g/s at just over 5000
Suggestion or failed attempt
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 contain suggestions
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.
Suggestion · Original poster
Straight after cleaning I saw nearly 100g/s at just over 5000
Check your Oil Filter and MAF readings - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Clean most i ever saw was 60g/s
Suggestion or failed attempt
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 contain suggestions
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.
Check your Oil Filter and MAF readings - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Clean so this may have put a bit more pressure
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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Discussions that contain suggestions
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.
Suggestion · Original poster
I did a few WOT runs upto 6k rpm testing the MAF sensor using an ODBII reader before and after cleaning so this may have put a bit more pressure on it.
Check your Oil Filter and MAF readings - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Test mass air flow sensor
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
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.
Suggestion · Original poster
I did a few WOT runs upto 6k rpm testing the MAF sensor using an ODBII reader before and after cleaning so this may have put a bit more pressure on it.
Check your Oil Filter and MAF readings - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Use odbii reader
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
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.
Suggestion · Original poster
I did a few WOT runs upto 6k rpm testing the MAF sensor using an ODBII reader before and after cleaning so this may have put a bit more pressure on it.
Check your Oil Filter and MAF readings - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Coverage and how to read this overview
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.
5 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
986Forum: 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.
Outcome without a verified action link
Even though we have cleaned it we are still getting long term fuel trims of 32% both banks.
Just got my Boxster running after 2 years languishing on the drive following an MOT failure. We did around 100 miles once fixed before changing the oil but when we got the oil filter out it looked crushed - see photos attached. It looks like it didn't have an internal cage or its been washed through the engine, but I didn't find any bits in the drained out oil so hopefully no damage caused.
Maybe it absorbed water whilst being laid-up and then collapsed when the pressure got up. The only symptom was that the oil light took a couple of seconds to go out when starting up from cold (fine when warm). I did a few WOT runs upto 6k rpm testing the MAF sensor using an ODBII reader before and after cleaning so this may have put a bit more pressure on it.
I think next time we will change the oil and filter before putting back on the road....
Just for info MAF readings for a 2.5 with 157k miles on once cleaned were 3.5 g/s at tickover, 2000rpm - 30g/s, 3000rpm - 45g/s, 4000rpm - 55g/s, 5000rpm - 75g/s, 6000rpm - 90g/s.
Straight after cleaning I saw nearly 100g/s at just over 5000
Before cleaning the most I ever saw was 60g/s
The filter may have bypassed as well - see how the media is lifted off the end cap in the side view photo. I'd replace the oil and filter, and then change the oil again fairly soon.
Thanks everyone.....
I will check the oil and filter in another 100 miles to see if any damage. I didn't put the original one in so not sure where it came from but it does seem to have been ruined. I noticed the split in the paper so it can't have been filtering very well at all. The good thing is we didn't see any metallic silvering or grayness in the oil so probably the damage is limited.
Just worked out the MAF sensor is bad as well. Even though we have cleaned it we are still getting long term fuel trims of 32% both banks. The car runs well below 5000rpm on partial throttle but full throttle is a bit duff. I will be hunting a replacement if it gets really annoying.
Thanks again !!
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