AUTOOL PT630 Digital Fuel Pressure Tester Kit for Petrol

AUTOOL PT630 Digital Fuel Pressure Test Gauge

Professional Digital Fuel Pressure Gauge Kit

The AUTOOL PT630 is a digital fuel pressure tester for petrol engines with port fuel injection. Use it to diagnose weak fuel pumps, faulty pressure regulators, leaking injectors and blocked filters, which cause hard starting, hesitation, misfires and poor fuel economy.

Connect it to the fuel rail test port with one of the 17 included adapters. The digital display gives a precise reading to compare against the manufacturer's specification, and the timer helps you check whether the system holds pressure after the engine is switched off.

Main Features

Digital pressure reading: 0–29.4 bar / 0–426.6 psi with 0.01 resolution.
Max, min and differential values: see pressure changes under load and pressure drop after shutdown.
Test timer: measure how long the fuel system holds pressure, to find leaking injectors or check valves.
17 adapters: connect to a wide range of fuel rail test ports.
Reinforced high-pressure hose and riveted copper fittings.
2.8-inch backlit display with interface lock to prevent accidental changes.
Switchable units: bar, psi and kg/cm².

Important Notes

For port-injected petrol engines. Not for diesel or high-pressure direct-injection (GDI) systems. For GDI, see the AUTOOL PT640.
Always relieve fuel system pressure before connecting, and work away from ignition sources.
Requires 4 × AAA batteries.

Package Includes

1 × AUTOOL PT630 digital fuel pressure gauge
1 × Reinforced high-pressure hose
1 × 17-piece adapter set
1 × User manual

Why Mechanics Choose the PT630

Feature	Benefit
Digital display, 0.01 resolution	More precise than an analogue fuel gauge
Test timer	Check pressure hold to find leaking injectors or check valves
17 adapters	Fits a wide range of fuel rail test ports
Reinforced high-pressure hose	Safe, durable connection to the fuel system
Interface lock	Prevents accidental changes mid-test
Backlit 2.8-inch screen	Readable in low light

The AUTOOL PT630 Digital Fuel Pressure Gauge is a professional-grade diagnostic tool designed for precise fuel system testing in petrol engines.

AUTOOL Pressure Gauge Comparison

Comparison Table: PT630 | PT635 | PT640 | PT650 | PT660

	PT630	PT635	PT640	PT650	PT660

DISPLAY & STORAGE
Display Screen	2.8-inch	2.8-inch	2.8-inch	2.8-inch	3-inch
Data Storage	X	X	X	X	X
CONNECTIVITY & ACCESSORIES
Accessory Connectors	17 Types	31 Types	3 Types	12 Types	1 Type
Equipped Toolbox	X	✓	✓	✓	✓
Dual-Channel Pressure Testing	X	X	X	X	Simultaneously Measure Pressure of Two Brake Calipers
MEASUREMENT FUNCTIONS
Data Lock / Clear / Record	✓	✓	✓	✓	✓
Multi-Parameter Display	Max / Min / Avg / Temp / Time / Real-Time Pressure	Max / Min / Avg / Temp / Time / Real-Time Pressure	Max / Min / Differential / Time / Real-Time Pressure	Max / Min / Differential / Time / Real-Time Pressure	Max / Min / Differential (Dual Caliper) / Real-Time Pressure
Pressure Units	Psi, Bar, Kg/c㎡	Psi, Bar, Kg/c㎡	Psi, Bar, Kg/c㎡	Psi, Bar, Kg/c㎡	Psi, Bar, Kg/c㎡
PRESSURE RANGE
Pressure Range	0–30 bar	0–30 bar	0–360 bar	0–30 bar	10–210 bar
APPLICATION
Applicable Scenarios	Automotive Fuel System	Automotive Fuel System	Fuel Injection Pump Pressure (GDI System)	Transmission Fluid Pressure	Brake System Fluid Pressure
	LEARN MORE	LEARN MORE	LEARN MORE	LEARN MORE	LEARN MORE

AUTOOL PT630 Technical Specifications

Application	Petrol fuel system pressure (port injection)
Pressure Range	0–29.4 bar / 0–426.6 psi / 0–30 kg/cm²
Resolution	0.01
Units	bar, psi, kg/cm²
Functions	Zero, timer reset, interface lock, backlight
Display	2.8-inch backlit screen
Adapters	17 connectors
Hose	Reinforced high-pressure hose
Power	4 × AAA batteries (6 V)
Operating Temperature	−10 °C to 60 °C
Warranty	3 years main unit, 1 year accessories (manufacturer)

AUTOOL PT630 Technical Specifications – Fuel Pressure Tester Details

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