However, if you have old or 'lazy' O2 sensor ECM might be forcing fuel mixture too rich (higher voltage) or too lean (low O2 voltage). Signature requests... jgo1247 Win 98 & ME Support 1 08-17-2005 03:11 PM '89 Corsica Backfires My '89 Corsica backfires. I only get the code in high load, high rpm situations. http://buzzmeup.net/code-43/gm-code-43-obd1.html
Hold the probes tight to the actual lead terminals (you won't get a shock or anything) and have a helper do the rest of the procedures. I'm assuming it shouldn't knock at all. Nothing in everyday driving. This wire may rub on the sharp edge and ground the knock circuit. http://www.automotiveforums.com/t662099-code_43_on_1994_1500_chevy.html
This is not recommended for shared computers Log in Register Help What's New? No part of this website may be reproduced without the expressed, documented, and written consent of ThirdGen.org's Administrators. Posts: 601 OS: All Systems, mainly Linux Good Afternoon Raylo, you make a valid point! I am going to swap distributors this week as its the only thing left on my new motor that was on the old motor Thanks Sparknot Back to top #6 txab
GeneralIesrussi Carburetors 3 10-30-2015 03:36 PM 350 TPI Knock sensor VS Coolant Fan switch FormulasOnly Tech / General Engine 3 09-10-2015 10:07 PM Engine won't start no spark at the plugs But If your talkin about the Electronic Spark Control (ESC) it is where I described it in the above post, and thats wierd that your manual doesnt show the ESC, b/c At first I put in a spare distributor. Code 43 Knock Sensor Circuit Learn more You're viewing YouTube in English (United Kingdom).
This results in sluggish performance and a Code 43. so i'm posting this for my buddys 1990 GMC 1500 4x4 5.7 tbi. Sign in Transcript Statistics 4,913 views 12 Like this video? The part # for your truck ESC should be 16128261 on my S15 thats the one I use with my TBI 350 on the S-series trucks it is mounted on the
It's not the alt or the code 43. Code 43 Chevy Truck Log In User Name Remember Me? Add to Want to watch this again later? You need to measure all the voltages to try to see what is actually happening.
So I replaced the sensor and that was the problem. http://www.techsupportforum.com/forums/f155/code-43-chevy-truck-176312.html But feel it for heat buildup before you do anything and ensure you have the battery disconnected it you decide to drop it for inspection. Code 43 Obd1 Chevy Set the timing as needed, snug the distributor down, re-check, then shut it off - reconnect that wire and you're done. Gm Code 43 Esc Failure Several functions may not work.
Located inside dist. this content But check knock sensor on passenger side block . Cheers, qldit. 08-22-2007, 07:25 PM #5 jaggerwild Automotive Team Moderator Join Date: May 2007 Location: Mississippi by way of NY Posts: 1,688 OS: Windows 7 U 64bit I will let you know thanks again. 08-23-2007, 07:03 PM #7 JENSPORT Registered Member Join Date: Aug 2007 Posts: 10 OS: win xp Well guys we were both 94 Chevy Code 43
I was able to slide in a new piece of cable protector and pull the bundle away from the linkage and all is well again. on bottom. Common fix is to replace O2 with a new one - use Delco unit as other MFG O2 sensors have a different response characteristics. weblink if you have an EGR, make sure it's operational... 04-06-2010, 07:23 PM #6 1988-305-tbi Senior Member Join Date: Mar 2004 Location: SoCal "Riverside" Posts: 550 Re: code 43,
The ESC is located to the left of the TB(looking at the front of the truck) on top of the intake manifold, sits on the plenum were the EGR solenoid, and Code 43 Chevy Tbi Gabriel Ortiz 38,441 views 2:19 1995 GMC Sierra V8 5.7 Distributor Timing - Duration: 3:14. http://www.gm-trucks...e/#entry1370988 Current Rides -1994 Suburban 4X4 -2012 Ford Focus Previous Rides -2000 Sierra 4X4 -2008 Cobalt Sport -1997 Cavalier Back to top #3 txab txab Your worst fWONking
Or I'll have to replace it, hope not, about a $80 part. Theme designed by Audentio Design. Wiring defects like that, kind of point to poor design and visual inspections not being good enough. 95 Chevy 1500 Code 43 On the 1993-95 trucks, the ESC is a removable part of the ECM called a MEMCAL.
If you can find one on a car or truck thats running....(5.7)...do a swap... Thread Tools Search this Thread 03-27-2010, 06:54 AM #1 1988-305-tbi Senior Member Join Date: Mar 2004 Location: SoCal "Riverside" Posts: 550 code 43, ESC/ knock and jumping spark? might not have an esc module since he has a 4l60e(part of computer ). http://buzzmeup.net/code-43/code-43-windows-10.html EmailReport someotherguy Moderator Posts: 28031 Age: 46 Loc: Texas Reg: 08-01-03 User InfoSend Private TopicView Profile 01-28-10 01:05 PM - Post#1851454 In response to spiderhole Might have been knocking
Unless low water temp has anything with crappy way motor is now running I will address that later. Originally Posted by Trevor350 I'm guessing you drive a 88-95' Truck? Many Thanks to both of you!!!! (You must log in or sign up to post here.) Show Ignored Content Page 1 of 2 1 2 Next > Share This Page timing set at 2 degrees advanced have tried 87/89/91 octane with no help on the highway after a bit of driving and then going WOT for a while it throws code
Just so you know I did put in a brand new 205deg thermostat upon new engine installation and my old motor also ran at 160. If you haven't used a meter before you are about to have a crash course, to measure direct current (DC) which you will be, use the DC range in the area UMI SFC's. Engine cranked fine more than enough battery charge.