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Chevrolet
Blazer
Engine
Crankshaft
Sensor
Test
1999 CHEVROLET BLAZER
115,000 MILES
ROBIN HILLEGAS
MEMBER
1 POST
FOLLOW
how do you know if crank sensor is bad or how do you test it
Oct 30, 2012 at 4:28 PM
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ASEMASTER6371
CERTIFIED EXPERT
52,796 POSTS
if you have a tach look for movement when cranking.
if the injectors are pulsing, it is working.
easy to check with a scan tool.
Roy
Oct 30, 2012 at 4:33 PM