1993 LT1 gear selector switch circuit Code 72 cause surging?
06-24-2015, 08:38 PM
#1
1993 LT1 gear selector switch circuit Code 72 cause surging? I know its I have a code 72, and a fresh rebuild on transmission.. Transmission runs great and pulls through 4th gear behind my 396LT1. States gear selector switch circuit. Neutral safety sswitch part of circuit?
But at part throttle/cruise I get a slight surge. Engine is new, sensors are all new within engine, tuned by good reputable company, never any problems. But now I have this code, can it cause a surge with a 4L60?
Intermittent starting problems too. Battery is always on tender and is less than a year old. If I jump it , it fires right up.
But at part throttle/cruise I get a slight surge. Engine is new, sensors are all new within engine, tuned by good reputable company, never any problems. But now I have this code, can it cause a surge with a 4L60?
Intermittent starting problems too. Battery is always on tender and is less than a year old. If I jump it , it fires right up.
Last edited by Steve40th; 06-25-2015 at 07:20 AM.
06-25-2015, 08:25 PM
#2
Moderator
This might be better asked in the thirdgen.org forum. Looking it up, code 72 is a VSS fault:
http://chevythunder.com/199295_lt1_trouble_codes.htm
I doubt any trans or VSS problem is causing the surging. Surging is most common with a cam'ed engine that isn't tuned well enough, trying to run at low RPM with a very hot cam, or an engine that is running very lean due to O2 sensor problems or a bad tune.
http://chevythunder.com/199295_lt1_trouble_codes.htm
I doubt any trans or VSS problem is causing the surging. Surging is most common with a cam'ed engine that isn't tuned well enough, trying to run at low RPM with a very hot cam, or an engine that is running very lean due to O2 sensor problems or a bad tune.