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

Makrilli · 04-18-2025, 12:15 PM

How do your fuel trims look like, are they far from normal?
I would start by checking and cleaning the MAF if fuel trims are negative.
Or checking for vacuum leaks if the fuel trims are positive.

04-18-2025, 12:15 PM	#2
Makrilli Registered User Join Date: Jul 2021 Location: Finland Posts: 25	How do your fuel trims look like, are they far from normal? I would start by checking and cleaning the MAF if fuel trims are negative. Or checking for vacuum leaks if the fuel trims are positive.