GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Code p0171 help

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Old 06-04-11, 09:44 AM
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1lexus2c
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Default Code p0171 help

So my car running ****ty this morning....
I step on the gas and car won't move for like 2- 3 seconds
Sometimes car will jerk,sometimes car will stop accelerating even tho I'm I'm stepping on the gas..
Then when it's on idle the car shake...
I kept driving it and engine lights pop up
Stop by at he autozone to pull the code
Code was p0171
Car have 174k miles ...
Help guys!
Old 06-04-11, 09:51 AM
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porn-adkt
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Search man..There is TONS on the p0171 lean code..
Old 06-04-11, 10:15 AM
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1lexus2c
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I did..just trying to get more opinions

Okay im gonna start with maf sensor
Can I try my buddy's maf sensor and see if it fix the problem before on buying a new one?
Old 06-04-11, 10:21 AM
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neojungle1
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had the same error once clean out my maf and throttle reset the ecu and has never come back but also check all your connector make sure none have corrosion in them or loose it sound retarted but it works and clean the connection too ...
Old 06-04-11, 11:06 AM
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1lexus2c
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The only thing I did yesterday was replacing the air filter? Will this might cause the problem? If not installed properly?
Old 06-04-11, 10:10 PM
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1lexus2c
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Cleaned my maf and throttle ... So far so good... Hope so
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