coastertrav

I seem to have an odd miss whenever the motor starts to see a heavy load, and it is more prominent in higher RPMs.

I get a reset every now and then, but mostly it feels like spark blowout. My plugs are gaped to .02, and I just replaced the coil pack today, so that is not it.

Every time it stumbles my TPS, coolant, RPM, and I imagine a few other readings go crazy in MLV. I'm thinking maybe adding a few grounds, but I am clueless as far as any other fixes.

Attached is my log and tune, and I would really appreciate any help as I am heading back to Orlando tomorrow (6 hours) and would like to drive the car back rather than ride with a friend.

Matt Cramer

I see it - you're getting RPM spikes. Check for a problem with the CAS, the tach input circuit, or the wiring that connects them.

Saml01

iTrader: (9)

Have you performed the Hi Res cap mod?

Have you change the resistors for the miata specific spark mod?

Have you thanked Jesus lately?

coastertrav

I have done the cap mod, but not the new ignition circut.


My dad suggested getting new plug wires.

IDK?

Saml01

iTrader: (9)

Do the spark mod first, its 99 cents vs 40 for plug wires.