PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

P0151 P0174 need some help

Thread Tools
 
Search this Thread
 
Old Dec 15, 2005 | 07:29 PM
  #1  
RedSpeck09's Avatar
Thread Starter
Staging Lane
 
Joined: Aug 2003
Posts: 63
Likes: 0
Default P0151 P0174 need some help

i have a 1996 s10 with a 2000 ls1/t56. i've been having some problems lately with the engine. shortly after startup, the truck would start to sputter and it would sound and feel like it wasn't running on all cylinders. it would generally only last for about 5-10 seconds and then just like that it was back to normal. it kept doing this for about a week. it would only do it after i had just started the engine. finally the other day it did it for about 2 minutes straight and when it went back to normal, i could notice a little sputter. it finally threw a couple codes then. p0151 Low Voltage Bank 2 Sensor 1, and P0174 Fuel Trim System Lean Bank 2. i changed out the o2 sensor on the pass side but to no avail. i'm at a loss here. i'm not very good with engines. i changed the spark plugs on the pass side and they were all fouled. there's also a black soot pile, basically a bunch of fuel. can anybody help?
Reply
Old Dec 15, 2005 | 07:34 PM
  #2  
ss rally red's Avatar
TECH Veteran
iTrader: (8)
 
Joined: Jan 2002
Posts: 4,298
Likes: 0
From: Destin FL
Default

With the lean code check for any type of a vacuum leak,first step.
Reply
Old Dec 15, 2005 | 09:09 PM
  #3  
RedSpeck09's Avatar
Thread Starter
Staging Lane
 
Joined: Aug 2003
Posts: 63
Likes: 0
Default

all the vaccum lines are fine. i tried messing with them and restarted it but to no avail. its basically dripping fuel out of the pass side exhaust. i had taken the intake off to change the coolant crossover lines to the ls6 lines the other day. do you think something may not be seated properly? i dont think that is the case though as it was doing this before i even removed the intake. im seriously at a loss.
Reply
Old Jan 3, 2006 | 11:45 AM
  #4  
RedSpeck09's Avatar
Thread Starter
Staging Lane
 
Joined: Aug 2003
Posts: 63
Likes: 0
Default

i'm finally working on my truck again. i've checked pretty much all that i know to check. the 02 sensor is getting power and a ground. the truck will run but very poorly and i won't let it run for more than a couple seconds. i do'nt have a scanner so i don't know exactly what codes are being thrown, but it started flashing the other day when i tried it so i'm assuming its a miss. based on what i've mentioned, what would you guys do to try to fix it?
Reply




All times are GMT -5. The time now is 09:52 AM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE