We may earn revenue from the products available on this page and participate in affiliate programs. Learn more ›
Replacing your vehicle’s fuel filter or fuel injectors is expensive, but unless you know it’s definitely an issue with the fuel system, diagnosing the problem can be just as costly. A fuel pressure gauge kit can help you identify if it’s your car’s fuel line, fuel pump, or something else entirely. Save yourself some time and money by using one of the following fuel pressure tester kits.
Best Fuel Pressure Testers Reviews & Recommendations 2021
Best Overall
Betooll Pro Fuel Injection Pressure Tester Kit
Best Value
Innova Professional Fuel Injection Pressure Tester
Easiest to Read
Actron Professional Fuel Pressure Tester
Most Durable
OTC Fuel Pressure Test Kit
Honorable Mention
Orion Motor Tech Fuel Pressure Tester
Tips
- Before testing your fuel pump pressure, make sure you’re parked on flat ground and at least 50 meters away from any open flames or other ignition sources.
- Check your fuel pressure twice, with and without the engine running, to properly test the system. The fuel pressure should increase a little if you hit the throttle and, ideally, stay the same while idling, but it’s okay if it drops slightly. Any other results may indicate you have a problem somewhere in your fuel system.
- Make sure to check whether the fuel pressure tester kit you want includes the correct fittings and adapters by consulting the manual and the product specifications
FAQs
Q: How do I know if I have low fuel pressure?
A: You won’t know for sure until you test it, but symptoms of low fuel pump pressure include struggling to start the engine, backfiring and stalling, or hesitating when driving.
Q: What is the range for normal fuel pump pressure?
A: Pressure requirements vary, so we recommend checking the correct fuel pressure for your specific vehicle in the manual. But, as a reference, normal fuel pump pressure is generally between 45 and 58 psi (or 3.2 to 3.4 bar).
Q: What happens if fuel pump pressure is too high?
A: High fuel pressure forces more fuel through the fuel injectors than is needed. This can cause black exhaust smoke and an increase in emissions, which may result in damage to your catalytic converter.
Final Thoughts
The BETOOLL Pro Fuel Injection Pressure Tester Kit comes with a comprehensive range of adapters and fittings and is our best overall fuel pressure tester.
Our best value fuel pressure tester is the Equus 3640 Professional Fuel Injection Pressure Tester.