What kind of scan tool do I need for GM TBI?
A scan tool can be used and set up for a GM TBI application to read the data, or to check for stored codes. Consult a service manual or see below for any check engine light code definitions. You can use a late 80’s or early 90’s GM TBI definition. If you have access to a scan tool use a hook up for a 1990 350 cu. in. 5.7L Chevrolet truck.
What do you need to know about a GM 4.3L V6?
This video goes through the teardown process of a GM 4.3L V6. It has been removed from the vehicle and we take it apart, except for crank and piston removal. 1. Engine: • Fuel System: Purpose is to deliver fuel to the engine. It consists of the fuel tank, pump, gauge/sensor, filter, pressure regulator and injectors.
What happens when the ICM fails on a GM car?
Generally, when the ICM or the ignition coil fails, your GM car or truck will Crank but NOT START. Specifically, the ignition coil will not spark.
What happens when the EGR valve gets stuck on a GM 4.3L?
This tutorial addresses a very common problem I’ve seen on the 1987-1995 GM 4.3L, 5.0L, and 5.7L engines with throttle body fuel injection system: a stuck open EGR valve. And when the EGR valve gets stuck open, it’ll cause a rough idle condition that may hard to diagnose.
What are the torque specifications for a GM 4.3L V6?
81 972 109.82 Vortec – Main Bearing Cap Bolts Type: Bolt 77 924 104.4 Vortec – Main Bearing Cap Bolts Type: Bolt 15 180 20.34 Vortec – Main Bearing Cap Bolts – 2 Steps: 15 FtLbs; +75degs Type: Bolt Crankshaft Position Sensor To Engine Block 8 96 10.85 Type: Bolt Crankshaft Position Sensor To Engine Block 15 180 20.34 Type: Bolt
Are there any problems with the Chevy 4.3 Vortec engine?
The 4.3 Vortec engines made from 1996-2002 (L35 and LF6) have been reported to have engine knock problems. In a properly functioning engine, fuel burns in even pockets instead of all at once. The pockets burn in even timing, in sync with engine cycles. Engine knock occurs when the fuel burns unevenly and out of sync with the engine cycles.
How big is the exhaust pipe in a GM 4.3L V6?
47.45 Vortec – Engine Block to MANUAL Transmission Bolts Type: Bolt Head: Hexagon Exhaust Manifold To Cylinder Head 22 264 29.83 Vortec – Exhaust Manifold – 2 Steps: 11 FtLbs; 22 FtLbs Type: Bolt Exhaust Pipe To Exhaust Manifold 20 240 27.12 Vortec – Exhaust Pipe to Exhaust Manifold Nuts