Volvo Owners Club Forum - View Single Post - Engine: D5244:

Georgeandkira · Aug 23rd, 2022, 12:27

I've no experience calibrating a MAF.

Can you calibrate the MAF by the "about 25%" (assuming you can discern which way 'high' or 'low' go) then see? I assume with your VIDA you can restore to original then try 25% the other way.

I do know codes not used are as important as those used when diagnosing.

Since MAFs last so long and because forward (upstream) O2 sensors always go out first, you wouldn't be firing the parts cannon at it. It'd be more like sharpshooting.

15 years and 150K are reasonable lifetimes for an O2 sensor.

Aug 23rd, 2022, 12:27	#5
Georgeandkira Premier Member Last Online: Yesterday 23:17 Join Date: Feb 2009 Location: Hackensack	I've no experience calibrating a MAF. Can you calibrate the MAF by the "about 25%" (assuming you can discern which way 'high' or 'low' go) then see? I assume with your VIDA you can restore to original then try 25% the other way. I do know codes not used are as important as those used when diagnosing. Since MAFs last so long and because forward (upstream) O2 sensors always go out first, you wouldn't be firing the parts cannon at it. It'd be more like sharpshooting. 15 years and 150K are reasonable lifetimes for an O2 sensor.