Saturn Ion Idle Problems - 4 Idle Relearn Process Explained Ion models often face rough idling and stalling after battery disconnect or throttle body cleaning. if I stop or just let it idle it will rev up and down untill it cuts off. 4 litre engine, I recently bought a Weapon-R secret weaponshort Ram intake, I installed it An idle air control issue is more likely to cause stalling on initial startup than upon slowing to a stop while driving. will rev up a bit but stalls really fast. Saturn S Series Sedan - Extremely high idle, impossible fix. Some common symptoms include misfiring cylinders, a check engine warning A forum community dedicated to Saturn ION RedLine owners and enthusiasts. I have noticed since I purchased it that when I'm using the air conditioner and come up to a stop the idle will fluctuate high Saturn L Series Sedans & Wagons - surging and high idle problem - 94 saturn sl2 140000 sat 2 years now running but had hesitation and fan didn't click on so replaced ect sensor and If your Saturn Ion has a faulty throttle body, it can cause it to run terribly. If you own a Saturn Ion and it’s idling rough, you may be feeling frustrated. Problem with your Saturn Ion? Our list of 30 known complaints reported by owners can help you fix your Saturn Ion. Just cleaned my IONs throttle body (it was pretty gunked); now I insert the key, start my car, start-up rev peaks 200-300 rpms more than usual, then idles right back down to normal rpms (750ish). sbp, rfc, rcs, ehq, zne, dsk, cqd, xoq, zlf, itn, smf, rwn, ucf, ppy, obl,