C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

92 Ignition Problems?

Thread Tools
 
Search this Thread
 
Old May 24, 2010 | 04:10 PM
  #1  
behnevette's Avatar
behnevette
Thread Starter
Pro
15 Year Member
 
Joined: Oct 2001
Posts: 512
Likes: 0
From: Orlando, FL
Default 92 Ignition Problems?

Hi guys, I'm having a weird problem with my 92. I was having some minor idle problems a while back, and I figured it was a vacuum leak. Anyway, I parked it until I could get more into it, and it turned out to be a couple of months, during which the battery went stone dead. I put in a new battery and tried to start it, but it would not stay running. It had thrown a code 16, which I could clear. Then it would start and sit there idling for awhile, then stall. The really weird part is that when it stalled out, the tachometer needle would bounce around from 0 to 5K for a few seconds, and the fans would come on, then go off. I got it running again, and even took it for a drive with no problems, other than it smells like it's running rich.

The engine is stock, with the exception of a Dynaspark opti, installed in the latter part of 2005.

Any ideas? Thanks in advance.
John
Reply
Old May 24, 2010 | 07:34 PM
  #2  
surfer93's Avatar
surfer93
Pro
 
Joined: Dec 2009
Posts: 502
Likes: 0
Default

Is the battery fully charged?
Did you clean the connections?
Reply
Old May 24, 2010 | 08:00 PM
  #3  
behnevette's Avatar
behnevette
Thread Starter
Pro
15 Year Member
 
Joined: Oct 2001
Posts: 512
Likes: 0
From: Orlando, FL
Default

Well, it's charging now. I'll have to double-check the connections.
Reply
Old May 24, 2010 | 08:00 PM
  #4  
jfb's Avatar
jfb
Team Owner
20 Year Member
 
Joined: Mar 2001
Posts: 54,124
Likes: 30
From: Cincinnati, Oh USA
Default

Originally Posted by surfer93
Is the battery fully charged?
Did you clean the connections?
That has nothing to do with his problem. If you have the GM service manual, the best place to start would be the diagnostic section for error code 16.
Reply
Old May 24, 2010 | 09:48 PM
  #5  
jaa1992's Avatar
jaa1992
Le Mans Master
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Mar 2001
Posts: 7,999
Likes: 14
From: Life is just one big track event. Everything before and after is prep and warm-up and cool-down laps
Cruise-In III Veteran
Cruise-In IV Veteran
St. Jude Donor '12
Default

Welcome to my world. Mine is doing this when its been hot for a while.
I have a Dynaspark that I put in 2007 ish.

One thing I've found from my research is one of the connectors or wires from the ECM to the connector could have a problem. One person reported that the connector where the opti harness connected to the wire harness on the passenger side would cut things off if he wiggled it.
Reply
Old May 24, 2010 | 10:28 PM
  #6  
surfer93's Avatar
surfer93
Pro
 
Joined: Dec 2009
Posts: 502
Likes: 0
Default

Originally Posted by jfb
That has nothing to do with his problem. If you have the GM service manual, the best place to start would be the diagnostic section for error code 16.
Why??
Weak battery or not fully charged battery can cause all sorts of electrical issues!!

Behnevette,
What do mean it is charging now?
Was it not charging or did you just verify that it is?

My 92 idles bad from time to time, pretty sure I have a hose leaking somewhere, my 1st idle problem was caused by a bad o2, 2nd by a leaking hose and 3rd was a leaking injector that kept fouling plugs.

Last edited by surfer93; May 24, 2010 at 10:31 PM.
Reply
Old May 24, 2010 | 10:31 PM
  #7  
surfer93's Avatar
surfer93
Pro
 
Joined: Dec 2009
Posts: 502
Likes: 0
Default

Where in o-town do you live, I am from Winter Park.
Reply
Old May 24, 2010 | 10:40 PM
  #8  
behnevette's Avatar
behnevette
Thread Starter
Pro
15 Year Member
 
Joined: Oct 2001
Posts: 512
Likes: 0
From: Orlando, FL
Default

It was a brand new battery yesterday, and I assumed it was fully
charged, but I put it on a battery charger today. It needed a charge
apparently. I'm going to recheck the battery connections
tomorrow after work.

I live in Hunters Creek.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-1

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-2

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-3

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-4

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-5

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-6

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-7

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
story-8

2027 Corvette vs The World: Every C8 vs Its Closest Competitor

 Joe Kucinski
story-9

10 Most Common Corvette Problems of the Last 20 Years!

 Joe Kucinski
Old May 24, 2010 | 10:46 PM
  #9  
surfer93's Avatar
surfer93
Pro
 
Joined: Dec 2009
Posts: 502
Likes: 0
Default

Never assume they are charged, bought one a few years ago and took it home and it was DOA and I was not a happy camper.

Get it fully charged and try again, also get under the car and see if you have coolant coming out of the weephole on the water pump.
These WP's are known to leak if they sit awhile. you could have coolant in the opti.
Reply
Old May 25, 2010 | 07:21 PM
  #10  
behnevette's Avatar
behnevette
Thread Starter
Pro
15 Year Member
 
Joined: Oct 2001
Posts: 512
Likes: 0
From: Orlando, FL
Default

It appears that it was indeed my battery connection! The rubber boot on the positive lead had slipped upward when I connected it, and it wasn't a good solid connection. I shouldn't have forgotten one of the most important rules of troubleshooting: when something weird starts to happen, go back and check the last thing you did!

Thanks for helping me through my stupidity!
Reply
Old May 25, 2010 | 07:48 PM
  #11  
surfer93's Avatar
surfer93
Pro
 
Joined: Dec 2009
Posts: 502
Likes: 0
Default

Glad it was something easy.
Reply

Get notified of new replies

To 92 Ignition Problems?





All times are GMT -4. The time now is 07:40 PM.

story-0
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-1
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-2
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-3
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-4
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-5
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-6
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-7
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-8
2027 Corvette vs The World: Every C8 vs Its Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-24 16:12:42


VIEW MORE
story-9
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE