turn off once warm

So my hypothesis is that i need to get a piggy back so my car dosent run so rich My mods are Give me your 2 cents Please 89' MK3 Light Blue Metallic| 7MGTE| Stock Motor| Cleaned Up Top End| BIC Divorced Down pipe| 2.0 HKS Stopper Head Gasket| Greedy Timing Belt| Arp Bolts|...