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Posted by Bubbas Garage, Mar 2, 2013
Newbie Forum - Beginner/newbie/general DSM modification questions. First mods, how to run 10's when you haven't run 12's yet, any tech question that doesn't fit in another tech forum.
Another possible issue is your base ignition timing. Get a timing light, ground out the diagnostic pin. Hook the timing light up to plug wire #1 and make sure your crank pulley is syncronized with 5deg timing mark on front cover. If not loosen CAS and turn it slowly till it lines up correctly.
Hope this helps.
Do you have a logger? A buddy of mine posted how to set it using the logger (it will also tell you if its functioning correctly because you will get a signal from it.
follow the details given in the 2nd post.
This will show you how to set it up
Idle Position Switch/Idle Stop Switch Adjustment
Car runs on e85
So the car Starts fine runs ok at idle.
Drives down the road great ( only driven it a couple times due to no insurance yet, and i live in the country so i drove it on a raod noone drives on) But from what i can tell it drives with no problems
Iding scares me for some reason, it idles about 1000 rpm, then if i give it quick throttle it almost kills itself then goes back to 1000 rpm. ( sometimes if i slowly give it throttle and rev up, it will come down to 1500 rpm and stay there a while?
A/F ratio ( on dsmlink 2.5 ) is estimated at 16/17 at idle. But my Innovate LC-1 Wideband o2 sensor read 21 at the gauge unless i rev it, it goes down. ( whats wrong with my gauge?
There are no vacuum leaks ( tested with carb cleaner)
I read somwhere that on my log ( at idle ) Throttle Position should read at 10%? Is that correct? I made a datalog and it was at 0, even when i held the throttle at about 1500-2000 rpm the throttle position did not go up on the log.
What are all the things that could be wrong? And where should i start. Please explain how to do a test on the things i need. I am completly new to dsm's, but i need to learn somehow!!
Any help would be greatly appreciated.
Any questions please ask.
Also, if a log of it running would help, please let me know and i can add one ( if so tell me what you want the log to be made of idling, rev, both, etc.. )
Im curious if your Idle speed controller is acting up. Sometimes the plunger inside breaks of or develops a leak. It will then leak air past the throttle body and make setting the idle damn near impossible. Your car will idle higher than its supposed to. Its atleast worth having a look at.