Crank no start
hello every one
I have a eBay turbo set up in my 95 Miata setup : yellow RX 8 injectors fuel pump 200 BMM,ECU (rus efi) so the problem I have the car starts fine on a cold start but it seems to have little power whenever the car is up to temp. For example, I drive around for 15-20 minutes. Then I go to turn the car on it seems to struggle I go to turn the car on.and it doesn’t turn on, now I don’t drive it everyday jus every so often I take it for a spin but I have to wait like an hour before I get to leave because it only starts when the engine is cool I got my car tuned in October now I know temperature has a big role when it comes to tuning, as of now, my AFR‘s are reading as following Idle 9-10 When I give it throttle straight 9’s lettinh off throttle 14-17 |
To start, post your tune and a log of the concern occurring.
Right off the bat, the information you’ve given indicates multiple things in your tune are whack. 9-10AFR at idle is way too rich. Maximum, you should be in the low-11’s at full boost. You said it goes 9-10AFR when you’re on throttle. Can you elaborate on that? Anytime you’re on throttle or what specific conditions? Again, a tune and log are the only things that will keep us from guessing. |
I would clean and re-tighten all grounds and verify none are missing.
I would then ensure the timing belt hasn't skipped a tooth. Then I would take a log of it running cold, then one of it running hot and then attempting to restart it hot. Post those and the tune file. |
new fuel pump after tuning? stock FPR?
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