Notices
928 Forum 1978-1995
Sponsored by:
Sponsored by: 928 Specialists

Asking for help..no start 1982 L-Jetronic

Thread Tools
 
Search this Thread
 
Old 10-10-2012 | 01:58 AM
  #31  
Kalspeed's Avatar
Kalspeed
Thread Starter
Rennlist Member
 
Joined: Dec 2011
Posts: 374
Likes: 0
From: Sunny South Florida
Default

Originally Posted by Maleficio
Also, your AFM connector or jack may have a bent pin touching another pin.
I will have to check that then...I did the refurb on my original AFM, a known working AFM (in replacement) still reacts the same..a new L-jet brain may be my next move

thanks
Old 10-10-2012 | 02:04 AM
  #32  
Landseer's Avatar
Landseer
Rennlist Member
 
Joined: Sep 2007
Posts: 12,155
Likes: 371
From: Johnson City, TN
Default

I think you need to replace temp II and temp/time. Jumper stuff.
Do the tests with noid light.

Trying to get you down a path here. I guess Maleficio is too.

Really not sure what you've actually done to the car, even after reading previous posts, nor what tests would cause you to settle on the Ljet brain or jetronic spark control units as causes at this point. It will run with / without O2 sensor / with bad O2 sensor ( though sometimes with an acceleration miss, flat spots and high petrol consumption). Am curious about exact nature of vac leak and would like to see closeup pics all around engine compartment.

Pictures might help so we can verify together certain things at CEpanel and in engine compartment. It can't be too difficult to fix, though.

Last edited by Landseer; 10-10-2012 at 02:21 AM.
Old 10-10-2012 | 08:42 PM
  #33  
Maleficio's Avatar
Maleficio
Three Wheelin'
 
Joined: Apr 2010
Posts: 1,295
Likes: 0
From: Virginia Beach, VA
Default

A fuel injector noid test light yields so much information about the system that I will never troubleshoot without one again.
Old 10-10-2012 | 09:46 PM
  #34  
Kalspeed's Avatar
Kalspeed
Thread Starter
Rennlist Member
 
Joined: Dec 2011
Posts: 374
Likes: 0
From: Sunny South Florida
Default

Too damn hot and humid lately

I made well notes of what you guys suggested..hopefully I can knock most of them out this weekend, Expecting a relief in the temperatures here.

Will report back with what I did, and some pics...

Again thank you for the help..
Old 10-17-2012 | 01:03 AM
  #35  
Kalspeed's Avatar
Kalspeed
Thread Starter
Rennlist Member
 
Joined: Dec 2011
Posts: 374
Likes: 0
From: Sunny South Florida
Default

OK finally got a chance to mess with her

I recalled first last move was a simple wrapping of electrical tape around the harness connector to the AFM

So I unwrapped the tape...and now I don't receive a 2-3 second start..so I suspect the issue in in that harness........ so I will check that with an assistant wiggling
Old 10-17-2012 | 01:07 AM
  #36  
Maleficio's Avatar
Maleficio
Three Wheelin'
 
Joined: Apr 2010
Posts: 1,295
Likes: 0
From: Virginia Beach, VA
Default

Good. Now you have real info to work with.
Old 10-17-2012 | 02:12 AM
  #37  
Kalspeed's Avatar
Kalspeed
Thread Starter
Rennlist Member
 
Joined: Dec 2011
Posts: 374
Likes: 0
From: Sunny South Florida
Default

Maleficio, you suggested that earlier..THANKS

but as I had few minutes today..I re-read all your and Lanseers suggestions...thought "it is something simple I am overlooking"

Then thought last thing I did was wrap simple electrical tape before I had the no-start. I will will check the connector harness...
Old 10-17-2012 | 03:27 AM
  #38  
Maleficio's Avatar
Maleficio
Three Wheelin'
 
Joined: Apr 2010
Posts: 1,295
Likes: 0
From: Virginia Beach, VA
Default

Originally Posted by Kalspeed
Maleficio, you suggested that earlier..THANKS

but as I had few minutes today..I re-read all your and Lanseers suggestions...thought "it is something simple I am overlooking"

Then thought last thing I did was wrap simple electrical tape before I had the no-start. I will will check the connector harness...
Sounds like the tape wrapped tightly and compressed the wires together, and two or more being exposed touched together, or a wire became broken. Good work.
Old 10-17-2012 | 10:42 PM
  #39  
Kalspeed's Avatar
Kalspeed
Thread Starter
Rennlist Member
 
Joined: Dec 2011
Posts: 374
Likes: 0
From: Sunny South Florida
Default

Looked at the harness today..the 4th female connector was crushed, thus not making contact with the AFM.

Had an assistant hold it in and jiggle..and behold Bwwaaaaa again..sounded sweet

I will be repairing it this weekend (among other things)

THANKS all for all the help

I think I will order replacement sensors and relays just in case (no idea of their age)
Old 10-18-2012 | 12:07 AM
  #40  
Maleficio's Avatar
Maleficio
Three Wheelin'
 
Joined: Apr 2010
Posts: 1,295
Likes: 0
From: Virginia Beach, VA
Default

Excellent work.
Old 10-18-2012 | 08:26 AM
  #41  
Landseer's Avatar
Landseer
Rennlist Member
 
Joined: Sep 2007
Posts: 12,155
Likes: 371
From: Johnson City, TN
Default

Originally Posted by Kalspeed
Looked at the harness today..the 4th female connector was crushed, thus not making contact with the AFM.

Had an assistant hold it in and jiggle..and behold Bwwaaaaa again..sounded sweet
Thoughts spurred somewhat by your exceptional avatar, depending on the assistant, this clearly can be a very good thing.
Old 10-18-2012 | 08:24 PM
  #42  
Kalspeed's Avatar
Kalspeed
Thread Starter
Rennlist Member
 
Joined: Dec 2011
Posts: 374
Likes: 0
From: Sunny South Florida
Default

Originally Posted by Landseer
Thoughts spurred somewhat by your exceptional avatar, depending on the assistant, this clearly can be a very good thing.
LOL
Old 10-18-2012 | 08:28 PM
  #43  
Kalspeed's Avatar
Kalspeed
Thread Starter
Rennlist Member
 
Joined: Dec 2011
Posts: 374
Likes: 0
From: Sunny South Florida
Default

Ok, the connection was pin 7, but it's so bad I can't remove the wire to fix it, so I prefer to cutoff the connector and wire in a new one..saw some posts about the below AMP Junior connector.

http://eagleday.stores.yahoo.net/5feampjupoti.html

Anyone actually have experience using this?
Old 10-18-2012 | 08:36 PM
  #44  
Maleficio's Avatar
Maleficio
Three Wheelin'
 
Joined: Apr 2010
Posts: 1,295
Likes: 0
From: Virginia Beach, VA
Default

Never done it. I'm curious as to how the female pin became crushed? Odd.

Can you post a closeup of the bad pin?
Old 10-18-2012 | 08:43 PM
  #45  
Kalspeed's Avatar
Kalspeed
Thread Starter
Rennlist Member
 
Joined: Dec 2011
Posts: 374
Likes: 0
From: Sunny South Florida
Default

I'll try to get a good shot of it tomorrow and post.



All times are GMT -3. The time now is 12:59 AM.