Fuel pressure testers come in handy to diagnose faulty components in our vehicles’ fuel systems. It’s healthy to check your vehicle’s fuel pressure regularly. Failure to do so may lead to several engine malfunctions including hard starts, little pooling power, and poor emissions amongst others. Most fuel rail systems come with test ports that allow you to plug the pressure testers when need be. For those who don’t have, a fuel filter adapter will be necessary.
A step by step guide on how to attach a pressure tester to the test port
- Identify and remove the vacuum line connected to the faulty regulator. You’ll note a malfunctioning regulator by the absence of fuel in it.
- After correctly identifying the faulty fuel pressure regulator, reinstall it.
- Next, identify and unscrew the protective cap through which the pressure gauge hose is attached to the fuel system.
- Fit the appropriate adapter to the gauge and attach it to the test port. As stated above, if there isn’t a test port, then, you’ll require a filter adapter.
Table of Contents
- Table of the Best Fuel Pressure Testers
- 10. Fuel Injector Injection Pump Pressure Tester Gauge Kit Car Tools
- 9. BETOOLL HW0164 Fuel Pressure Tester Kit Gauge
- 8. Dwyer Magnehelic Series 2000 Pressure Gauge
- 7. Actron CP7817 Throttle Body Injection Fuel Pressure Testers
- 6. ABN 8909 Pressure Test Kit
- 5. OTC 5606 Compression Tester Kit
- 4. OTC 5630 Fuel Pressure Test Kit
- 3. OTC 5605 Deluxe Compression Tester Kit
- 2. OTC 5609 Cylinder Leakage Tester Kit
- 1. Actron CP7838 Professional Fuel Pressure Testers
Table of the Best Fuel Pressure Testers
10. Fuel Injector Injection Pump Pressure Tester Gauge Kit Car Tools
Betool is a well-renowned brand in the delivery of most engine maintenance accessories. Their HW0138 is amongst the best fuel pressure testers you that you need not offer your arm and a leg for. The kit has several adapters and fittings for use in different fuel line ports. This tester kit is compatible with most vehicles. It has an easy-to-read scale gauge with dual readings for increased accuracy. Again, all the items are contained in a hard blow moulded case for safe storage and portability.
9. BETOOLL HW0164 Fuel Pressure Tester Kit Gauge
Betool HW0164 Pressure Tester Kit has almost everything you need for any fuel injection system in the world. Amazingly, with all its versatility, it’s still amongst the most fairly priced. It features a dual gauge offering precise and accurate readings on a 0-100 psi/10 bar scale. Its numerous adapters, fitting heads, and hoses are ideal for different test ports. Again, with this kit, you’ll be able to reach any port no matter its location.
8. Dwyer Magnehelic Series 2000 Pressure Gauge
Dwyer Magnehelic is amongst the most versatile pressure gauges we have on the market today. It comes in different models, to suit your preferences. This series 2000 is frictionless and states how low air, non-combustible, and combustible pressures are. This pressure gauge has a high-quality aluminium case housing and an acrylic cover. The heavy-duty design is meant to protect it from vibrations, all forms of shock and over-pressures. It also has a heavy duty exterior non-corrosive grey finish. Dwyer Magnehelic Series 2000 has an accuracy of ±2% at 21.1°C. It also has 20’’Hg-15 psi pressure limits.
7. Actron CP7817 Throttle Body Injection Fuel Pressure Testers
Are you tired of having to look for fuel filter adapters every time you need to test the pressure of your vehicle’s fuel system? Worry no more. Actron CP7817 is purposely designed for throttle body injection engines that are not fitted with valve test ports. This pressure tester will help you identify problems emanating from fuel delivery systems, valves, gaskets, piston rings, and the vacuum-operated units. This package comes with a pressure relief valve that’ll diagnose the safety and cleanliness of the line. The adapters are made of brass. Moreover, this kit comes with a 1-year warranty.
6. ABN 8909 Pressure Test Kit
ABN 8909 test kit has been designed to be compatible with most injector systems the likes of Bosch, GM, and CIS-Jetronic throttle body systems. All the components have a quick and efficient coupling system and a safety valve that prevents the fuel under pressure from leaking out during the tests. Again, the pressure release valve features a long drain that serves as a harbour for the discharged fuel. This system has been designed to offer a simple hook up and usage experience.
5. OTC 5606 Compression Tester Kit
OTC 5606 Tester Kit is a versatile compression tester compatible with an array of gasoline engines including motorcycles and marine engines. This comes as a solution to the compactly sized engines. Its heads feature nickel plating that prevents them from corrosion. Again, this kit has several adapters to fit various ports. The adapters include a 12 flex standard reach measuring 14mm for standard range, and another one of the same lengths for long reach. You’ll also find 3 thread adapters with sizes 12mm, 10mm, and 18mm. All these accessories are then packed in a blow moulded durable case with an easy-to-remove lid.
4. OTC 5630 Fuel Pressure Test Kit
OTC is a well-known brand in this field. Their OTC 5630 fuel pressure tester kit is one of the easiest to use on the market. Its brass fitting has been thoughtfully crafted to fit well in most fuel lines. It has been designed to identify any faulty components in the fuel system. Some of the elements that OTC tracks are fuel pumps, filters, fuel line, and fuel pressure, regulators. The best thing about using this kit is that you need not remove the system from your vehicle. It has a clear face made of a hard plastic that’s break resistant. The face is fairly large and easy to read and has a scale of 0-100 psi and 0-700 kPa.
3. OTC 5605 Deluxe Compression Tester Kit
This is another tester kit with a full package necessary to test compression on gasoline engines. This deluxe package has a good connector for heads with recessed plug design and Ford Triton engine adapter which has 16mm plugs. These are versatile adapters compatible with both the flat and the tapered plugs. The components in this kit all feature a superior nickel plated finish that is resistant to corrosion. Moreover, OCT 5605 Compression Tester Kit has a long hose gauge system measuring 25-inches. This gauge assembly flexes and has couple onboard that gives you access out of the engine compartment. Again, it has a dual scale gauge with a 0-300 psi range and 0-2100 kPa.
2. OTC 5609 Cylinder Leakage Tester Kit
Don’t waste your hard earned money replacing your car engine fuel system without testing for the exact faulty component. From OTC this cylinder leakage tester will help in identifying and locating faulty components including bad rings, head gaskets, valves, heat exchangers, and vessels amongst others. OTC 5609 series utilizes 2 2-1/2 gauges made of chrome bezel with an outer boot protector. These gauges read 0-100 psi and 0-700 kPa. The kit also has a long hose measuring 24’’14mm, and 3 adapters measuring 10mm, 12mm, and 18mm. This package also comes with different adapters for various applications and a hard case.
1. Actron CP7838 Professional Fuel Pressure Testers
Actron CP7838, a fuel pressure tester for the fuel injected systems, is here to diagnose whatever unit is malfunctioning. It is a 2-1/2-inches with a large easy-to-read 0-100 pressure per the second inch and 0-700 kPa scale. Actron CP7838 offers accurate measurement readings on fuel pressure when the engine is on or off. You’ll find its 6 feet hose handy to reach all the fuel pressure test points. Again, this package comes with an easy-to-carry pouch that accommodates the gauge and the adapters.