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Need help with DIAG.

Discussion in 'New Members' started by Tightmike44, Jul 10, 2022.

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Jul 10, 2022 at 12:29 PM

#1

#1
Tightmike44 [OP] New Member

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Jul 10, 2022

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#401080

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0

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Male

First Name:

Mike

Vehicle:

2004 tacoma 3.4 prerunner

2004 tacoma 3.4 l v6 changed the cats and both o2 sensor (denso) getting 4 codes still p2195 p2238 p0171 and p0030 I'm at a loss. I'm thinking injecotrs now .runs fine has plenty of power still when I scanned it with the hp tuner short term and long term fuel where pretty high like double digits and then one it reached 29% it got stuck on lean . I'm very much confused and this is a well Maintained truck

Last edited: Jul 10, 2022

Tightmike44, Jul 10, 2022

#1

Jul 10, 2022 at 12:47 PM

#2

#2
windsor Just a guy

Joined:

Dec 31, 2014

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#145322

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Chris

Homeless in Oregon

Vehicle:

2008 Tacoma Super Duty aka Tundra

Canopy, fitted seat covers, OBA with self leveling air bags, 100w solar, dual Rhino Rack Pioneer platforms, side & rear LED work/FU lights, CB, cell booster. 7x16 cargo conversion, 3" lift, 7'x6.5' fold down aluminum rear deck.

Change title.
"Help" especially in caps with exclamation points is reserved for folks who need actual help such as stuck out in the desert or on a trail with no way to get themselves out.

windsor, Jul 10, 2022

#2

Tightmike44[OP] likes this.

Jul 10, 2022 at 12:49 PM

#3

#3
Black DOG Lila Well-Known Member

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Jun 14, 2019

Member:

#296344

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9,116

Virginia

Vehicle:

2003 Tacoma SR5 2.7 5 speed 4WD

Stock. EZ pass.Dump pass.Inspection sticker.Convict printed lic.plates.FG cap.

Welcome to TacomaWorld
Check for vacuum leaks

Black DOG Lila, Jul 10, 2022

#3

buckhuntin-tacoma and Tightmike44[OP] like this.

Jul 10, 2022 at 12:57 PM

#4

#4
Tightmike44 [OP] New Member

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Jul 10, 2022

Member:

#401080

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0

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Male

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Mike

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2004 tacoma 3.4 prerunner

The test ima try is the dangerous method. Carburetor cleaner I'm saving up for some machine . Unless there is another method you guys recommend

Tightmike44, Jul 10, 2022

#4

Jul 10, 2022 at 1:10 PM

#5

#5
buckhuntin-tacoma Shed hunter

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Dennis

Quincy IL

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2014 Spruce Mica Tacoma DCLB

4 inch lift - complete blackout, n-fab step bars, Black Horse bull bar, 20 inch light bar, anytime fog lights, added led day running lights, Fuel wheels and Falken Wildpeak tires ,custom fit seat covers, Gatorback mud gaurds

Welcome to TW!

buckhuntin-tacoma, Jul 10, 2022

#5

Tightmike44[OP] likes this.

Jul 10, 2022 at 1:42 PM

#6

#6
Tightmike44 [OP] New Member

Joined:

Jul 10, 2022

Member:

#401080

Messages:

0

Gender:

Male

First Name:

Mike

Vehicle:

2004 tacoma 3.4 prerunner

All the hoses look good I've replaced some and no rpm changes ,went through 2 cans of carb cleaner and nothing changed so I assume no major leaks or vacuum. Still scratching my head .

Tightmike44, Jul 10, 2022

#6

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