Search found 3 matches

by bl4cksta
March 20th, 2025, 5:06 pm
Forum: Mazda 2.3 DISI Turbo
Topic: Power Loss After 5000 RPM on 3rd Gear and Above
Replies: 12
Views: 2467

Re: Power Loss After 5000 RPM on 3rd Gear and Above

Thanks, mituc, you just boosted my confidence! This tune was built in part thanks to your many invaluable replies on this forum - I really put in the effort! Thank you. Regarding the MAP sensor: I don’t have another identical one to compare, but its readings more or less match my analog boost gauge,...
by bl4cksta
March 20th, 2025, 2:13 pm
Forum: Mazda 2.3 DISI Turbo
Topic: Power Loss After 5000 RPM on 3rd Gear and Above
Replies: 12
Views: 2467

Re: Power Loss After 5000 RPM on 3rd Gear and Above

Thanks for your response, mituc! I forgot to mention that I'm running a stock exhaust with straight pipes (cats and resonators removed). I also have a 3.5 bar MAP sensor (Bosch 0 281 002 456) with the corresponding calibration. I've attached the tune file and 2 logs: one of slow city driving and one...
by bl4cksta
March 19th, 2025, 2:45 pm
Forum: Mazda 2.3 DISI Turbo
Topic: Power Loss After 5000 RPM on 3rd Gear and Above
Replies: 12
Views: 2467

Power Loss After 5000 RPM on 3rd Gear and Above

Hey everyone! I have an issue where my car noticeably accelerates slower after 5000 RPM in 3rd gear and above. I'm running a self-tuned ECU calibration, and I’ve attached logs for reference. In the logs, I noticed that the RPM and MAF readings fluctuate slightly after 5000 RPM. Could this be related...