so i just replace my radiator, starter and tps. before i put on the tps my 4 banger was ideling very high in nuetral and would stop once put in gear. So i thought the tps would fix this... not. now that it is on it idels high then low high then low and bogs out when put in gear. i checked all my vacs and nothing is cracked or leaking! i dont understand could i get some help