Reset the Computer with Pulleys?

I know with my last car, I needed to disconnect the battery after every mod to reset the computer. Is it needed with my '04 Mustang on a Steeda Pulley install? I already did the install on Thursday and did it without disconnecting the Battery. Probably should have since I usually disconnect it whenever working under the hood.
Maybe that is why I tripped P0316, P0300, P0304 and P0307 :shrug:
I cleared the codes with my Predator twice and they haven't come back but I am just thinking now I need a reset.
 
SunburstGoldGT said:
Are those error codes for misfire? I had 2 codes after i installed my steeda's also, but like you suggested i just pulled the battery cable let it sit and it fixed it no problem. I wish i had a predator...


Yes, they were misfire codes for #4 and 7 cylinder if I remember correctly!

Mike, glad to hear you got everything worked out with your car!
 
SunburstGoldGT said:
Are those error codes for misfire? I had 2 codes after i installed my steeda's also, but like you suggested i just pulled the battery cable let it sit and it fixed it no problem. I wish i had a predator...

Yup, misfire detected on startup cyl #4 and #7. Interesting that someone else experienced it too. :shrug: