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Electronic Spark Control Code 43 Speed density 1990-92 Hope this helps, jr Yo go to chevythunder.com dude, you'll find more than you'll ever need
code 43 is related to the spark control system. (esc) the problem is usually the knock sensor wiring connector is defective and/or the sensor. the sensor is located in the right /passenger side of the engine block near the starter.
House remodeler Chip Gaines (of Fixer Upper) is 43 years old (born November 14, 1974).
there isn't one.
knock sensor
.43 is the gap
they are both V8s, they should use the same motor mounts
5x115 43 offset
Code 43 = Electeroic Spark Timing (EST) circuit low voltage detected OR ESC circuit problems. Without being there to put a meter on different components and check it out, all I can do is point you to the electronic spark control module.
1988 an up S10's, blazers,1/2 ton pickups(1500 series), Monte carlos,caprice's, astro vans, full size vans. maybe more, that's all i can think of right now. i think Chevy didnt call it the vortec until 94, but with minor variations; its still the same motor.
About 43 Lbs.
43 thousands of an inch