How to verify and troubleshoot a no fuel pressure problem - Jeep

In this video I will walk you through some basic tests on verifying spark, injector pulse and fuel pressure. All you need is a digital multimeter and a small pocket screwdriver. I will be using the Power Probe IV but this is not a necessary tool to handle this problem. I chose this particular tool due to the long reach of the cables and the direct connections to the battery. This allowed me to not worry about finding a good ground underneath the rusty vehicle when i came time to verifying the fuel pump power and ground.

Engine Performance Diagnostics chapter 16

Symptoms
- cranks but does not start

Fix
- replace faulty fuel pump

Tests shown
- how to test for spark
- how to test for injector pulse with a Power Probe IV
- how to test for fuel pressure without a gauge
- how to test fuel pump power and ground

Tools used
- Power Probe IV (a DMM may be used as a substitute)
- pocket screwdriver

Playlist
- (Chapters 14, 15,16) Fuel Delivery and Fuel Pressure Testing
   • (Chapters 14, 15,16) Fuel Delivery an...  

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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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Disclaimer:
Due to factors beyond the control of ScannerDanner LLC, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of ScannerDanner LLC, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not ScannerDanner LLC.