What stops the fuel injector from allowing fuel to go through them
Jan 9, 2011 at 5:36 PM
1999 Chevy Suburban
1999 CHEVROLET SUBURBAN
BOBJEWETT
- MEMBER
- 1 POST
Advertisement
JDL
- ✓ASE Certified Mechanic
- 16,098 POSTS
Voltage and ground, use a noid lite and check injector pulse, engine cranking. Check for voltage at injector key on. The computer controls injector ground circuit, on and off. If the computer doesn't see an rpm signal, no injector ground/pulse.
Jan 9, 2011 at 6:14 PM
WRENCHTECH
- ✓ASE Certified Mechanic
- 20,761 POSTS
Test for injector pulse using a small bulb called a noid light. If none found, check for power supply at one side of the injector with the key on.
Image (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Jan 9, 2011 at 6:15 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.