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Search Auto Parts Search Odd issue with car after it was sitting for a week! Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting r286ps2 User Nov 28, 2018, 5:58 PM Post #1 of 4 (1133 views) Odd issue with car after it was sitting for a week! Sign In So recently I was having an issue with my 2004 Tracker I noticed it was low on coolant so I added coolant to it. After I added the coolant I drove it for one day and then left it idle for about a week. After leaving it idle for about a week I decided to drive it and while it was still warming up I noticed it was acting odd when driving. It seemed to not want to rev and shift normally. It was as if it was going through the ECU learning process again. Once it got up to temperature it ran just fine and have not had any issues since. Any ideas? Could adding coolant of caused the ECU to act strangely? Also does leaving it idle for a week affect the ECU adaptation memory? It doesn't seem like anything is wrong with the battery it is 3 years old but never had to jump it or anything like that. Hammer Time Ultimate Carjunky / Moderator Nov 28, 2018, 7:44 PM Post #2 of 4 (1119 views) Re: Odd issue with car after it was sitting for a week! Sign In No, adding coolant will not effect the ECU but there are places that coolant could have gone that can cause driveability issues. That should be your first priority, to find out where the coolant is going by pressure testing the system. No, leaving it idle for a week will have no effect on the ECU if the battery remains charged. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. r286ps2 User Nov 28, 2018, 7:51 PM Post #3 of 4 (1115 views) Re: Odd issue with car after it was sitting for a week! Sign In It just seems like it never had the proper amount of coolant in the first place. It just seemed to be driving really odd before it warmed up. Hammer Time Ultimate Carjunky / Moderator Nov 28, 2018, 8:03 PM Post #4 of 4 (1111 views) Re: Odd issue with car after it was sitting for a week! Sign In Do you seriously think you are going to get an accurate diagnosis by going to a forum and saying "My car is running odd"? Let me consult my diagnostic tools ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.   Email This Post   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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