Search found 4 matches

by dmalovic
March 3rd, 2023, 6:43 am
Forum: Mazda SkyActiv Diesel
Topic: Tune development
Replies: 115
Views: 170007

Re: Tune development

Would you be willing to share that tune with us? And great work, BTW. Wish there was more done for the diesel platform. Also, have you heard of the latest Mazda PCM firmware which supposedly at least for Mazda requires a different coding interface? Mazda dealership told me they could not flash mine,...
by dmalovic
July 31st, 2022, 1:23 pm
Forum: Mazda SkyActiv Diesel
Topic: Tune development
Replies: 115
Views: 170007

Re: Tune development

Do not put any tune on it until you fix it. You should take a few logs though and see what changes. The replacement used injectors seem to have fixed everything. The car drives like crazy compared to before. So now the question is how to further improve it ;). All joking aside, some people claim th...
by dmalovic
July 24th, 2022, 10:41 pm
Forum: Mazda SkyActiv Diesel
Topic: Tune development
Replies: 115
Views: 170007

Re: Tune development

At 214000km (M6 Wagon, 2014, MTX 150HP) I finally had EGR flow problems, and I knew I needed intake cleaning. No other interventions on the car, washers never changed, and it ran perfectly. Camshaft and oil screen inspected, no clogging or wear?! The service cleaned everything, sent me the before an...
by dmalovic
April 3rd, 2017, 10:28 am
Forum: Mazda SkyActiv Diesel
Topic: EGR specific table
Replies: 11
Views: 22456

Re: EGR specific table

IMO reducing EGR amount (as SH engine's deNOxing only through uncommonly cooled EGR) would be good step to improve combustion efficiency and reduce EGT mentioned in your last article . At the cost increase of NOx emissions, of course... 8-) Here's EGR valve logic: https://euroesi.mazda.co.jp/esicon...