RX7Club.com - Mazda RX7 Forum - It's cold outside and I wonder if I could be hitting the fuel cut.

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antiSUV

02-20-12 09:56 PM

It's cold outside and I wonder if I could be hitting the fuel cut.

My car sometimes cuts out around 6-6.5k in 3rd @ WOT. I have mildly ported exhaust ports, a down-pipe, and I removed the double throttle plates. Those are all of my engine mods; I'm running the stock ECU. Is it possible that those things are enough to cause me to hit the fuel cut in cold weather? I am also investigating ignition...

DaleClark

02-21-12 10:03 AM

Quite possible. Real question is how much boost are you running? Do you have a boost gauge?

Dale

Fritz Flynn

02-21-12 10:12 AM

If it feels like a massive hesitation it's fuel cut.

Keep the boost under 11 psi.

antiSUV

02-21-12 11:53 AM

Quote:

Originally Posted by Fritz Flynn (Post 10988031)

If it feels like a massive hesitation it's fuel cut.

Keep the boost under 11 psi.

That must be it then.

I do not have a boost gauge installed. I've been planning to get one.

Thanks.

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