2005 Ford Focus St - Help Diagnose: Cobb Ap Map 0 Vs Map 1 93 Octane 2 For Sale By Auction

Author Dalbo 23 Jul 2026

*91 and 93 octane results are compared against a 93 octane fuel baseline. Would someone please explain if any, the negative. My 2013 has 2 available strategies used cobb differentiates the 49s and 50s in the naming of the car type, the also list the r124a vs r1234yf refrigerant types also, but other compatibility.

A Ford Focus Owner's Guide to Catalytic Converter Replacement (2000

2005 Ford Focus St - Help Diagnose: Cobb Ap Map 0 Vs Map 1 93 Octane 2 For Sale By Auction

Try running stage 0 against 1 (or more after verifying hardware) to compare and see what you think. I personally recommend everyone skips stage 1 and goes straight to stage 2 with an intercooler Cobb approaches design by taking the entire.

If you are unsure about which map applies to your modification level, please see the focus st map notes or the fiesta st map notes and their requirements for the modifications that will best fit your vehicle.

The stock tune from ford actually does increase power with higher octane I think it's a difference of like 10ish hp from 87 > 93 Not much, but more power is more power lol I noticed significantly improved performance with the 93 octane stage 1 map with the cobb catback and high flow air filter