Hey guys I have a 05 mustang gt with a roush tvs 2300 supercharger and since it got cold out I'm having some issues. When I step on the gas I do not have full power and my check engine light is not on. It is starting up ok and everything and I re flashed my computer. When I step on the gas is sound like a helicopter noise. The guys who installed it are not local and told me that in the cold my spark plugs might have broke off the tip of one of them. Does this sound right? Any suggestions are always appreciated thanks

 

I'm not sure about the cold causing a plug tip to break , but I live in Florida , however if a cylinder isn't firing for some reason it would run rough and might sound like a helicopter. Could be a plug or COP , I'd pull the plugs and check them first , then you can also get a COP tester to see if they're all firing OK.

 

Thanks for the suggestion . Do you know where I can pick up a cop tester ?

 

If you're cel is telling you what cylinder is having a problem just swap coils. Easiest was to do it.

 

Here's the one I have

http://www.efi.com.au/waekon/coil_on_plug_tester.html

 

If you figure out it's tune related then contact this guy manuel@tudyno.com
Don't let the fact that he is outside the country worry you. He is a great tuner and will work with you remotely through data logs. Your problem sounds like it's with the cold start functions in the tune and they are some of the hardest to work out. Work with Manual and you will end up with a perfect tune.


Earl

 

After two weeks of waiting on a special spark plug gapper. I put new plugs in and she's ready to go! Thank god that was the only problem!!