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

Help p0174 system too lean bank 2

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Old Oct 7, 2018 | 09:45 AM
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From: Sharjah
Default Help p0174 system too lean bank 2

Hi every one i need help i have 2002 gs 430 recently got a code p0174 and p0300 my fuel trim is high as F on bank 2 +34 i also deleted my catylic converter in past and there is no vacum leaks.
fuel term is high on bank 2 boths
short term +20
long term +34
plz help...
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Old Oct 7, 2018 | 10:22 AM
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Is that freeze frame fuel trim readings or live readings? What is your fuel trim at idle?
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Old Oct 7, 2018 | 11:05 AM
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From: Sharjah
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Thats live reading at idle also its remain same idt whats wrong coz i took my car to garage the gay told me becoz i delete cat thats why i m geeting this code but if its becoz of cats the why iam getting normal reading on bank 1...

Last edited by Wahshooq; Oct 7, 2018 at 11:19 AM.
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Old Oct 7, 2018 | 11:24 AM
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A cat delete has no impact on what happens in the cylinders. What it can affect is the O2 sensor reading. Check your O2 sensor live data. Google the instructions.
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