will my tourque converter lock up switch caust the codes 0743 and 1765? will these codes cause preformance issues? this fourm and everyone involved with is have saved me so much aggravation and money THANK U ALL!!!!!!!!!!!!!!!!!!!!!

 

They shouldn't cause performance issues. I constantly have codes in from my TCLU switch.

 

Cool.... hey different subject.... i got a fuel leak looks likevits comin from the map sencer.... or some where whith in inches from there.... have u ever or know of anyone who has had a simular problem and how was it fixed?

 

Possible to be your fuel return fitting on the back of the head. There is a banjo bolt back there, 17mm I believe, check how tight it is.