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		Toyota Nation Forum : Toyota Car and Truck Forums > Toyota Passenger and Sports Car Forums > Matrix forum > 1st Generation (2003-2008)
Code p0171

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1st Generation (2003-2008) A discussion area for owners and enthusiasts of the Toyota Matrix!

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12-05-2011, 06:57 PM	#1 (permalink)
drboeing New TN User Join Date: Jan 2009 Location: Kanata Posts: 7 Gameroom cash: $1800 Thanks: 0 Thanked 0 Times in 0 Posts iTrader Score: 0 reviews	Code p0171 My wifes 2007 Matrix engine light came on the other day, I scanned it and the ECU gave me a code of P0171, too lean. The car is running fine with no stumbling or anything else. Start up is normal even in cold weather. I read something about the ECU needing to be flashed. We had the ECU replaced in August under the recall, is it possible that the ECU needs to be flashed

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12-05-2011, 07:35 PM	#2 (permalink)
Tech1984 Official TN Member Join Date: Oct 2010 Location: NC Posts: 554 Gameroom cash: $256350 Thanks: 31 Thanked 85 Times in 81 Posts iTrader Score: 0 reviews	This time of year manifold leaks start to show due to colder temps. Replace the intake manifold gasket. A cheap and easy repair. __________________ Bin wrenchin' on the Yota's since '84 =========================== 2000 Tundra SR5 4.7 Ex Cab 2010 Camry LE 2.5 Cheers!

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