Greetings fellow Simians of the Lube;
I recently replaced the 181K mile valve-burned engine in my 2001 Honda CR-V with a 40K mile engine from Japan. Since the swap idle is slightly erratic, acceleration from a stop is sluggish and check engine light indicates “P1508 error code” which is “Idle Air Control valve circuit failure.” Also have an issue with the A/C cycling on and off rapidly when idling that goes away as soon as the engine rpm is slightly increased. New OEM IAC valve is around $360 so I hesitate to replace it without informed opinions from the Car Talk oracle. All parts other than the engine itself are from my original engine in my CR-V. Any and all assistance is greatly appreciated.