Volvo Owners Club Forum - View Single Post - My first Volvo and she's a Little Bit Poorly

cyclogenesis · Aug 16th, 2018, 11:53

Don't forget you have two ECUs, one for unleaded and one for gas. You may have reset the codes on one but not the other. The way to ensure this is to disconnect the battery overnight and then start from scratch.

Aug 16th, 2018, 11:53	#5
cyclogenesis Senior Member Last Online: Mar 14th, 2024 07:29 Join Date: Nov 2004 Location: Portsmouth	Don't forget you have two ECUs, one for unleaded and one for gas. You may have reset the codes on one but not the other. The way to ensure this is to disconnect the battery overnight and then start from scratch.