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Saturn Ion 07 50% power rough Idle Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting Just "G" New User Feb 21, 2009, 7:20 PM Post #1 of 4 (3374 views) Saturn Ion 07 50% power rough Idle Sign In I have an 07 Saturn Ion and today the check engine light and a nother engine light with a down arrow came on and I lossed 50% of my power. After starting again, the car idled between 2,000 and 2,500RPM. Any ideas what it could be? Jeff Norfolk Enthusiast Feb 22, 2009, 5:25 AM Post #2 of 4 (3369 views) Re: Saturn Ion 07 50% power rough Idle Sign In G- have the codes pulled at any of your local autoparts houses and have the codes pulled. Report back and we can help. Jeff Todd Norton User / Moderator Feb 22, 2009, 11:41 AM Post #3 of 4 (3365 views) Re: Saturn Ion 07 50% power rough Idle Sign In the second light you see is called a reduced power light it will illuminate for various reasons ,like he said have your codes checked and recorded ,usually it is mass air flow related problem if you temporarily unplug the maf while the key is off then restart and road test your car , if power seems ok now you probably require a maf sensor , i just encountered the same problem at work on an 05 but get it scanned asap sometimes just clearing the codes will reset the adaptive stradegy of the ecm and you will be good to go ..some food for thought hope it helps good luck Todd Todd Norton User / Moderator Feb 22, 2009, 11:47 AM Post #4 of 4 (3361 views) Re: Saturn Ion 07 50% power rough Idle Sign In by the way the mass air flow sensor is located in the duct work between the engine air filter and the throttle body in case you were wondering .........Todd   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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