Recent content by gundammaster

found out , i have a cracked exhaust manifold, any suggestions? thank you all for your replies

thanks for the info, I'll check those today

If anyone can help it would be appreciated, I have a 2003.5 Mazdaspeed Protege,sorry it's stock, but my check engine light is on, with the code P0171 I changed both o2 sensors, replaced intercooler upper pipe with Corksport hose and the pcv valve, I checked for any leaks with a smoke test and I...