Tech Tip: Dodge Ram no-start, no DTCS

Sept. 6, 2017
The vehicle has no fuel pressure, even after verifying voltage, swapping the fuel pump relay and replacing the fuel pump.

Vehicle: 1996 Dodge Ram 1500, 4×2, V8-360 5.9L Magnum, Automatic Transmission

Mileage: 228,995

Problem: The engine will crank but not start. The MIL was not on and there were no DTCs.

Details: The technician verified the engine will crank but not start. It had spark but no fuel pressure. He verified voltage on both sides of the fuel system fuses, swapped the fuel pump relay and tried replacing the fuel pump. Still, there was no fuel pressure. At this point, he called ALLDATA Tech-Assist.

The ALLDATA Tech-Assist consultant suggested that he check for power and grounds at the pump. The technician found no voltage at the fuel pump (Circuit A61). He traced the circuit back to the fuel pump relay and found the circuit was open about 10 inches from the power distribution center.

Confirmed Repair: He repaired the wiring and the truck started and ran normally. He also rechecked the fuel pressure. It was at factory specifications.

Information provided by: ALLDATA

Sponsored Recommendations

Remote Expert: Access OEM Services On Your Autel Tablet

Carrying active OEM subscriptions for all manufacturers is not possible for many shops. However, access to this software is required for certain modern vehicles and repairs, and...

How to Properly Lubricate your Air Tools

Learn how to properly lubricate your AIRCAT air tools to keep them running at peak performance. Discover essential daily maintenance and storage techniques, along with the right...

Save Time with Standard's Kits & Multipacks

Stock up on essential repair kits! Discover how Standard's multipacks simplify repairs and reduce downtime.

Fuel Injection Training – Pro Tips for Techs

Choosing the right fuel injector matters. Learn best practices for selection and related component recommendations.

Voice Your Opinion!

To join the conversation, and become an exclusive member of Vehicle Service Pros, create an account today!