PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

how do i get the service engine light off??

Thread Tools
 
Search this Thread
 
Old Nov 18, 2004 | 02:09 PM
  #1  
johnsonj2212's Avatar
Thread Starter
Teching In
 
Joined: Nov 2004
Posts: 2
Likes: 0
Default how do i get the service engine light off??

i took the cats off my 2000 z28 and ran an off-road ypipe with my factory headers, replaced the o2 sensors with o2 simulators and i thought thats all had too do????i forgot the # of the codes, but i remmeber what they said they meant, the codes are saying low catalsyt efficiency,??(i took em off, dont undrstand), and the other code is saying sumthn too do with my air/fuel mixture?? anyone help??????????
Reply
Old Nov 18, 2004 | 02:14 PM
  #2  
conan's Avatar
TECH Senior Member
20 Year Member
iTrader: (5)
 
Joined: May 2004
Posts: 6,492
Likes: 6
From: Back in the Burg
Default

You need hptuner or ls1edit to remove the dtc codes out of your computer. Or a tuneing shop can do it.
Reply
Old Nov 18, 2004 | 02:15 PM
  #3  
LoPeY's Avatar
TECH Resident
iTrader: (6)
 
Joined: Apr 2004
Posts: 795
Likes: 0
From: The other, other, other A-Town, NM
Default

I'm pretty sure you can just take it to Auto Zone and they can use the code scanner to remove the light. I'm not sure how well that will fix your problem though.
Reply
Old Nov 19, 2004 | 01:04 PM
  #4  
johnsonj2212's Avatar
Thread Starter
Teching In
 
Joined: Nov 2004
Posts: 2
Likes: 0
Default

how much would it cost me too properly tune it too run right with the cats off???
Reply
Old Nov 20, 2004 | 05:13 PM
  #5  
chpmnsws6's Avatar
TECH Addict
iTrader: (70)
 
Joined: Sep 2003
Posts: 2,525
Likes: 2
From: Springfield IL
Default

i think base tunes are 150
Reply




All times are GMT -5. The time now is 02:16 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