Diagnose Car Trouble
I ran across a great suggestion in Popular Mechanics magazine pertaining to saving your cars computer memory when you change the battery.
When you disconnect the car battery all of the memory that saves the engine performance data is reset to zero or baseline. When that happens you have to drive your car for several miles before the computer re-learns the engine performance data which allows your engine to perform at its best.
Deleting the cars computer memory may cause your engine to run rough and possibly get bad gas mileage until the computer is re-taught. Plus, if you are scheduled for a smog test for your car right after the memory is reset your car may fail the smog test.
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 ScanGauge II Gauge Blendmount Mounting Pod BSG87500  US $55.00
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 ScanGauge II 3 in one Automotive Computer US $159.99
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 BlendMount Custom Mount for ScanGauge II ScanGuage US $49.00
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On way to prevent the memory from being lost when you change the battery is to hook a 9 volt battery to a cigarette lighter plug and insert it into the lighter. The 9 volt battery will be enough to keep your car computer memory active while you change the car battery so your car will run just like it did before you changed the battery.
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The Scangauge II is one of the best engine monitors on the market that allows you to track your gas mileage and engine performance while you drive.
Categories: Automotive, Toyota, Toyota Matrix Tags: Car Battery