94 chevy g20 4.3l v6 with TBI (2 injectors) won't start

Asked by Cloverbrook Oct 25, 2017 at 07:03 PM about the 1994 Chevrolet Chevy Van G20 RWD

Question type: Maintenance & Repair

Okay so I have a 1994 G20 Chevy
van with a 4.3 L V6 throttle body
injection the time that has to fuel
injection on top already replaced
pickup coil ignition module rotor
cap rotary button spark plugs
wires idle air sensor map sensor
throttle positioning sensor fuel
filter fuel pump rebuilt fuel
pressure regulator. Has spark all
the way to plug set timing top
dead center to number one. Get
strong cones from injectors. Still
won't start smells like flooding
cranks really good but will not
start I have crawled all over this
thing. Oh yeah also replaced
engine coolant temperature
sensor verified operations of
knock sensor and also change
the O2 sensor any ideas guys
cuz I'm at a loss.

3 Answers

24,170

Sometimes the 4.3 has trouble with the crankshaft position sensor.

3 people found this helpful.

Where is the crankshaft sensor, I didn't think it had one. I thought the pick up coil in the distributor was the crankshaft sensor. Thanks for your answer, I'm at a loss

24,170

Should be located down by the harmonic balancer pulley on the front of engine. There is a website called troubleshootmyvehicle.com and they have a method of testing the sensor so you don't just buy parts. Check them out.

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