i wish i knew of a honda tuner in australia with a good rep.. (i personally think honda tuners have some weird eliteness ego that is continuely conditioned by the noobs they deal with, so they then feel they can be a bit dodgey because the noobs dont have the knowledge to question)
i would be questioning what variable is impacting the idle.. seems weird for one night it runs fine and then the next day it goes to shit..
doesnt sound tune related does it?
sounds more like a vacuum leak or sensor issue?
if its related to brakes then u have a vacuum problem. possibly leaking brake fluid into the brake booster and take up vacuum space.
this happend to m prelude. everytime i hit the brakes the car would stall. wen i disconnected the vacuum line to the booster and sealed it off the car never stalled but i had no brake assist(hard pedal). so i drained the booster and the car drove a beaut until it started stalling again to which i got rid of it
UPDATE!
I just went outside and disconnected the brake booster vacuum line (i took a random guess). Started it up and it idled! Idling was around 800rpm. I took it for a spin, obviously very firm brake pedal however it idled fine, no stalling anywhere. As soon as I tried to connect the vacuum line up again the engine almost stalled. Anyone know what this may suggest?
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