How to test for shorted fuel injectors (1987-1994 GM Cars)

No Start Diagnostics (1992 Chevy Lumina 3.1)
Once again the purpose of this video is to teach you "direction". What do you test first, where do you go next?

Engine Performance Diagnostics chapter 18

Symptoms
no start
start/stall
rough idle
hesitation
misfire

Fix
replace shorted fuel injectors

Tests shown
why the check engine light is important when the key is turned on
how to test for spark on a waste spark ignition coil
how to check for injector pulse
how to remotely crank an engine over
how to perform an injector current ramp test

Tools used
remote starting tool (Matco FT - 101A)
Snap-on Vantage (MT 2400)
inductive low amp probe

Playlist
(Chapters 17, 18 and 19) Fuel Injector Testing
   • (Chapters 17, 18 and 19) Fuel Injector Tes...  

Related videos
No Start No injector pulse (shorted injector) part 1
   • No Start No injector pulse (shorted inject...  
No Start No injector pulse (shorted injector) part 2
   • No Start No injector pulse (shorted inject...  
GM 3300 Intermittent no start rough idle (shorted injectors) part 2    • GM 3300 Intermittent no start rough idle (...  
Rough idle, MAP code 33, intermittent no start (shorted injectors) - GM    • Rough idle, MAP code 33,  intermittent no ...  

For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book.
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