986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post

geraintthomas · 03-17-2018, 02:21 PM

There's no vacuum leaks. Have checked lots before changing the AOS, and checked afterwards. The car went back to normal after changing the AOS but has slowly developed this bogging about a week or so after it. If there was a vacuum I'd at least get P0171 or P0174 codes.but it's all fine.

I'm more inclined to think it's a bad MAF as, doing a bit of research, they can go bad after having a bad AOS due to it being contaminated with oil.

Any way to test a MAF?

03-17-2018, 02:21 PM	#7
geraintthomas Registered User Join Date: Nov 2015 Location: South Wales, UK Posts: 852	There's no vacuum leaks. Have checked lots before changing the AOS, and checked afterwards. The car went back to normal after changing the AOS but has slowly developed this bogging about a week or so after it. If there was a vacuum I'd at least get P0171 or P0174 codes.but it's all fine. I'm more inclined to think it's a bad MAF as, doing a bit of research, they can go bad after having a bad AOS due to it being contaminated with oil. Any way to test a MAF? __________________ Porsche Boxster S Type 986 Bi-xenon Headlight Upgrade \| 987 S 18" Anthracite Alloys \| Android Head Unit \| 5000k 55w HID's \| 5000k Cree DRL's \| 5000k Cree number plate lights \| Cree LED Indicators \| One-touch roof operation \| Bypass exhaust pipes \| Parking sensors \| Ambient footwell lighting