11 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
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Discussion summary
YOUR RESEARCHSAI DIY issues - problem?
Leading reported evidence
Clean holes out while the car was
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
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1
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Performed · outcome unconfirmed · Original poster
He had to take a phone call in the middle, so I went around and cleaned all the holes out while the car was on the lift.
Leading evidence: 'Clean holes out while the car was' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check fuses relating' (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.
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Suggestion · Original poster
I pull and check the fuses relating to ABS and PSM, they look fine.
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Suggestion
You need to wait until it gets to like 40's for it to come on fully and run a decent time.
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Suggestion
Do yourself a favor and use microfiber towel and quick detailer to dust your car.
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.
11 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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1 acknowledgements have no verified action link; they do not establish a repair result.
Outcome without a verified action link
Anyway, took her out for a long drive at lunch, everything seems back to normal.
Hi - back with another goofy DIY issue.
I've developed the SAI pump band-saw scream. Found excellent info here, including KrazyK's writeup on getting the pump cleaned up and re-greased. After looking it over, and checking out my car, I figured I've got to be able to do this - the parts are right up front!
I followed the instructions, and after I got the SAI pump back in, I had the bright idea to test it before putting the airbox back in. Which means I didn't plug the sensor on the airbox in... (MAF, I assume?)
So, I started it up, the SAI does not come on, and I get warning lights and messages - ABS and PSM failure! Argh! I put the airbox back, noticing the sensor this time, thinking I need to visit my mechanic. I try it again, the same thing happens.
I pull and check the fuses relating to ABS and PSM, they look fine. One more try - this time it starts with no warning lights, sounds fine. The SAI squeal is barely noticeable now. After a minute or so, the SAI turns off, the car seems good. Drove it around for a few minutes, no problems.
So, opinions wanted - did I trigger some lights by not having the airbox sensor plugged in, and after putting everything back together, the computer has figured it out? Or do I have a potential problem?
I should mention I did not disconnect the battery - maybe I should have?
Thanks
pf
Man, you really gotta quit creating problems for yourself.
SAI usually only comes on for any extended length of time when it's cold outside. I just came in from outside and it must be like mid 70's at least. You need to wait until it gets to like 40's for it to come on fully and run a decent time. That's when you'll notice the SAI more.
No need to worry, what you describe is what happens when you leave the maf disconnected.
Thanks Alpine!
If you're ever down in the far south suburbs, beer's on me!
After I calmed down, I did search on "996 MAF PSM ABS" and found corroboration on that. Still seems odd to me - how are those systems related?
Anyway, took her out for a long drive at lunch, everything seems back to normal. Knowing my luck/skill, the fix probably won't last that long, I suppose it is time to order a new SAI pump. At least I got the new air filter in right, I think...
I probably caused some of this myself - when I had my PPI, my mechanic showed me that the inner sides of my rotors had brake dusting clogging the holes. He had to take a phone call in the middle, so I went around and cleaned all the holes out while the car was on the lift. I drove off in a cloud of brake dust
pf
The ABS/PSM warning can also be triggered when the battery gets low. If you had the trunk open (and thus the trunk light on) for a long time while working on the air pump and the battery level dropped, that may explain why those lights popped on.
I'm beginning to think the car doesn't like me. My wife just bought me a California Car Duster. I was sliding it gently across the back to try it out, and it snagged the 'S' in my 4S badge and damn near snapped it in half!
ABS and PSM controllers need input that is provided for in part by the MAF signal. If the MAF is disconnected these systems the input is invalid or just missing, and this cause these controllers to trigger errors and warning lights.
Plugging the MAF in and some driving should have the warning lights out in short order.
