Crank no fire

2003 CHEVROLET 1500

37,000 MILES • 4.3L • V6 • 2WD • MANUAL

JUSTIN T RUNFOLA

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Truck started normal drove my girl friend to work about 2 miles away went to back out to leave her work and the trucked shut off. I cranked for a good minute and it started. drove 30 feet was waiting to pull out into to traffic and it shut off just cranks no fire. i have replace the crank shaft sensor and coils. it has fuel pressure and starting fluid sprayed in it and no fire.

Jun 21, 2020 at 3:44 AM

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.

JACOBANDNICKOLAS

AUTOMOTIVE REPAIR CONTRIBUTOR
110,190 POSTS

Hi,

My first suspect is the ignition control module. Here are directions for replacement. The first pic below shows location. Pics 2 and 3 correlate with the directions.

2003 Chevy Truck C 1500 Truck 2WD V6-4.3L VIN X
Procedures
Vehicle Powertrain Management Relays and Modules - Powertrain Management Relays and Modules - Ignition System Ignition Control Module Service and Repair Procedures
PROCEDURES
REMOVAL PROCEDURE

pic 2

1. Remove the air cleaner outlet resonator.
2. Disconnect the ignition coil driver electrical connector (3).
3. Remove ignition control module (2) screws.
4. Remove the ignition control module (2) and heat sink (3).

INSTALLATION PROCEDURE

pic 3

1. Position the ignition control module (2) and heat sink (3).

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install ignition control module (2) screws.

Tighten
Tighten the screws to 3.5 N.m (31 lb in).

3. Connect the ignition coil driver electrical connector (3).
4. Install the air cleaner outlet resonator.

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Let me know if this helps.

Joe

Images (Click to enlarge)

Jun 24, 2020 at 7:05 PM