Miata Turbo Forum - Boost cars, acquire cats.

Miata Turbo Forum - Boost cars, acquire cats. (https://www.miataturbo.net/)
-   DIY Turbo Discussion (https://www.miataturbo.net/diy-turbo-discussion-14/)
-   -   No power at 2700 rpm sputter sputter HELP! (https://www.miataturbo.net/diy-turbo-discussion-14/no-power-2700-rpm-sputter-sputter-help-77103/)

bajaboy169 01-19-2014 09:03 PM

Checked the wires they are good can't pull the plugs till I get to work tomorrow plug socket at work.

miata25psi 01-20-2014 01:43 AM

Check everything related to ignition first. If it threw a coil code it's could be wiring, intermittent ecu issues, or other randomness.

bajaboy169 01-20-2014 10:51 AM

plugs look great clean and tight at .032 reset the light cleaned the air filter. fired it up test drove. A little different now if I am easy on the throttle it responds good till around 4000 rpm. If I gun it half pedal it is missing and the engine light comes back on. #3 miss fire I pulled the plug again cleaned it unscrewed to cap on the plug 1/2 turn to insure good contact. reset the light test drove again same as described above.

Erat 01-20-2014 10:57 AM

I think you found your problem. It seems to just have a misfire on #3.

pdexta 01-20-2014 11:39 AM

I'd bet that spending $8 on a new set of NGK BKR7E (part #4644) spark plugs would fix the problem.

sixshooter 01-20-2014 09:30 PM

Fouled

bajaboy169 01-27-2014 10:23 AM

Sorry had to go out of state for a while. Pulled the plugs they look great perfect gap good spark. Checked for leaks no leaks . next?

sixshooter 01-27-2014 10:50 AM

Plugs can look fine and be fouled. Buy plugs.

bajaboy169 01-29-2014 03:28 AM

Ok I have $10 I will get them when the snow melts in a day or two.

bajaboy169 02-03-2014 10:44 AM

Sorry had to go to Texas, just got back. Alright different symptoms now when cold it runs great for 10 seconds then if I feather the throttle lightly it performs as it should including the turbo. If I gun it, it bogs down. Any suggestions on what it could be? I checked the wires and plugs Thanks

sixshooter 02-03-2014 11:54 AM

Fuel pump. Or metering problem.

bajaboy169 02-06-2014 09:43 PM

No it doesn't lage at high rpm if I am light on the throttle

sharkythesharkdogg 02-07-2014 08:00 AM

He's suggesting you may be getting enough fuel at idle, and with gentle throttle input, but when you give it more throttle input the stumble comes from there not being enough fuel getting introduced into the mixture.

Check fuel pressure when you're doing these throttle input experiments.

sixshooter 02-07-2014 02:19 PM

And still change the fucking spark plugs even if you think they look fine.

bajaboy169 02-08-2014 01:59 AM


Originally Posted by sixshooter (Post 1100040)
And still change the fucking spark plugs even if you think they look fine.

yes six shooter I change the f****** plugs!!!!

bajaboy169 02-08-2014 02:00 AM

Thank you for all your help it turned out that I got a bad coil from the factory brought it back to advance auto parts replaced it with another new one and all is good.

sixshooter 02-09-2014 08:38 PM

Yay!


All times are GMT -4. The time now is 02:35 AM.


© 2024 MH Sub I, LLC dba Internet Brands