I bought and installed an S-VCM last fall on my 2013 Odyssey. Worked flawlessly until last week. My daughter borrowed the van and mentioned it was idling very rough. When she brought it back, I noted that it would suddenly drop rpm and almost stall when idling. It would intermittently drop rpm too when accelerating. I checked the engine, swapped engine filter, cleaned MAF and the problem seemed to go away. I didn't suspect the S-VCM at this time.
Fast forward about a week and the issue has returned. I was waiting in line at a drive-thru when the rpms suddenly dropped, almost stalling, then would come back to idle. Repeat. It would start running fine again for a few minutes, then rpms would start dropping again. The van never stalled and was OK to drive home, just a little rough, with rpm bouncing around a little. One thing I did notice on the way home was the ECO light coming on (blinked on briefly several times), which I haven't seen since install of the S-VCM. Surprised to see the ECO light, I looked at the engine temp gauge and it was very low, just barely above minimum. Too low considering how long I had been driving, and definitely not where I am used to seeing it with the S-VCM. From my understanding, I wouldn't expect to see the ECO light come on at that temp reading either.
Has anyone else experienced this with S-VCM? Any ideas what the issue might be? Am I correct to assume this is S-VCM related? I am going to remove it for the next while to confirm it resolves the issue.
Fast forward about a week and the issue has returned. I was waiting in line at a drive-thru when the rpms suddenly dropped, almost stalling, then would come back to idle. Repeat. It would start running fine again for a few minutes, then rpms would start dropping again. The van never stalled and was OK to drive home, just a little rough, with rpm bouncing around a little. One thing I did notice on the way home was the ECO light coming on (blinked on briefly several times), which I haven't seen since install of the S-VCM. Surprised to see the ECO light, I looked at the engine temp gauge and it was very low, just barely above minimum. Too low considering how long I had been driving, and definitely not where I am used to seeing it with the S-VCM. From my understanding, I wouldn't expect to see the ECO light come on at that temp reading either.
Has anyone else experienced this with S-VCM? Any ideas what the issue might be? Am I correct to assume this is S-VCM related? I am going to remove it for the next while to confirm it resolves the issue.
