2013 Rogue Idle speed

[arizonanissan]

Hello All I have a 2013 Rogue 85K no problems except i notice When the Veh is at a light in drive and the AC cycles on and off I notice the rpms drop instead of holding steady or jumping up a bit to compensate for the ac compressor load.. No Cel light no run or start problems i just notice the idle not bumping up a hair when ac cuts in while in drive at light when hot! This causes a flutter in the veh for a second as the ac kicks on... Thanks for any input.. Have an awesome day!

[DTASFAB]

Spark plugs?

[arizonanissan]

New! Installed a month ago--Did it with new plugs and old ones!

[arizonanissan]

Its not stepping up the idle when AC kicks on Idle should rise a tad as AC kicks on!

[ras_oscar]

My 2012 rogue will shudder slightly just after I stop at a light. I speculate its the engine idle bumping down against the idle sped control motor which then raises the idle speed. Happens regardless of whether the AC is on or off.

[Rogue Jarhead]

I’ve never had a vehicle that doesn’t do that little drop in rpm when the ac cycles on. What is happening is the ac requires the engine to work harder by increasing the load. It is most noticeable at idle. If you’re cruising down the road at a steady rate, shut the ac off for a few moments and watch what happens to the rpm needle.

The engine will quickly compensate for the additional load and bring the idle back up to the computer controlled specification. That’s what you’re hearing/feeling.

Because of the increased load that’s why your vehicles fuel mileage is not as good with the ac on all or most of the time.

[arizonanissan]

Ok i see Thank you so much!!

[17RogueS]

It is quite noticeable on my 13 Rogue but I have yet to notice it on my 17 Rogue at all.

[arizonanissan]

I would think like most cars when the AC compressor kicks on the Idle Air Control Motor will adjust for that load so you dont feel it but instead the idle while at a light drops a tad lower instead of maintaining or stepping up the idle!! Its like a surge for a sec.. Most cars i ve owned if you are at a light and the ac cycles on and off you dont feel nothing the idle remains steady--The computer adjusts the idle in a split second.. Why the 13 rogue stumbles below 550 rpm in drive at a light is something i cant undeerstand! No mil lamp Veh runs 100% no issues at al! Once the ac comes on and 1 sec after the stumble the idle is ok! Strange!