update- 92 lt1- problems- please help
Thread Starter
Racer
Joined: Jul 2004
Posts: 279
Likes: 0
From: Jonesboro AR
update- 92 lt1- problems- please help
ok well i posted a few days ago about a code 43 on my 92. i replaced the o2 sensor and connector today and code went away but it didnt fix my problem. ill describe the prob again
when the car is under 1k rpm it stumbles badly. even when driving if u can get going. i can hold the gas at 1k and it stumbles to 500. if i let it idle (around 500-600) it sill stumble and die. anything above 1k and it runs fine.
The car is also running extremely rich. all this happed a week ago when i got my exaust leak fixed. the guy also readujusted my 1.6 roller rockers.
any idea?
i am so tired of not being able to drive it.
when the car is under 1k rpm it stumbles badly. even when driving if u can get going. i can hold the gas at 1k and it stumbles to 500. if i let it idle (around 500-600) it sill stumble and die. anything above 1k and it runs fine.
The car is also running extremely rich. all this happed a week ago when i got my exaust leak fixed. the guy also readujusted my 1.6 roller rockers.
any idea?
i am so tired of not being able to drive it.
Race Director
Joined: May 2001
Posts: 14,165
Likes: 9
Originally Posted by reed62783
would that cause it to stumble? and not idle
I've run into very similar problems myself over the years as I've fought with adjusting rockers. I've finally found a method that works for me.
Last edited by Nathan Plemons; Dec 8, 2004 at 04:00 PM.
Team Owner
Joined: Sep 2003
Posts: 25,295
Likes: 4
From: I'm the walkin dude I can see all of the world...
St. Jude Donor '03
Originally Posted by Nathan Plemons
Quite possibly. If your rockers are too tight the valves will be held somewhat open. This causes a lack of compression, it can cause hard starting and terrible idle / drive characteristics.
Yes it will do that. I know from experience. 
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Safety Car
Joined: Feb 2002
Posts: 4,212
Likes: 10
From: Sun City West Az
Just for fun..check your line from the canister purge solenoid to the intake. If the canister is purging a@ idle or there is evidence of the charcol pellets, it will cause your symptoms. Its probably a long shot tho.
your valves are to tight. 
