🔍
PT640 GDI Fuel Pressure Gauge
GDI Fuel Pressure Gauge
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
  1. PT640 GDI Fuel Pressure Gauge
  2. GDI Fuel Pressure Gauge
  3. AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
  4. AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
  5. AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
  6. AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
  7. AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
  8. AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
  9. AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
  10. AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
  11. AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge

AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge

(2 customer reviews)

US$189.00

Key Features
  • Digital Pressure Readout
  • Multi-Unit Switch
  • Backlit Display
Key Features
☰ REQUEST BULK / B2B QUOTERequest B2B Quote
Secure checkoutFast supportBulk ready
AUTOOL PT640

Product Overview

The AUTOOL PT640 GDI Fuel Pressure Gauge is a digital fuel pressure tester for automotive GDI / direct injection fuel systems. It helps technicians measure high-pressure fuel pump and fuel injection system pressure with a wide 0-360bar range, clear 2.8-inch backlit display, multiple pressure unit switching, real-time pressure display, maximum / minimum pressure tracking, differential pressure display, data lock, clear, and zeroing functions.

GDI Fuel Pressure 0-360bar Data Holding 2.8" Backlit Screen
0-5221.3psiPressure Range
1% FSAccuracy
400barOverload
4×AAABattery
AUTOOL PT640 GDI Fuel Pressure Gauge main product image Click to enlarge
AUTOOL PT640 3-year warranty support image Click to enlarge
Key Features

Key Features

PT640 combines high-pressure digital measurement, unit switching, data holding, zeroing, and adapter support for GDI fuel pressure diagnosis.

Wide GDI Pressure Range

Measures 0-360bar / 0-5221.3psi / 0-367kg/cm², making it suitable for automotive direct injection fuel pressure testing.

Multi-Unit Switching

Supports bar, kg/cm², and Psi pressure units, allowing technicians to switch units according to diagnostic habits and service standards.

2.8-Inch Backlit Display

The 2.8-inch backlit display improves readability in low-light environments and clearly presents current pressure, maximum pressure, minimum pressure, and differential pressure.

Data Holding And Zeroing

Lock the data and interface for stable observation, then use clear / zeroing functions to reset data and pressure before or after measurement.

Digital Measurement System

The advanced digital measurement system provides wide-range pressure measurement with 1% FS accuracy and 0.1-unit resolution.

Adapters For Vehicle Connection

Adapter hoses, metal adapters, and T connector support connection to GDI fuel lines and direct injection test points.

AUTOOL PT640 display interface showing pressure, max, min and differential data Click to enlarge
AUTOOL PT640 pressure unit switching between Psi Bar and Kg per square centimeter Click to enlarge
AUTOOL PT640 2.8 inch backlit screen feature image Click to enlarge
AUTOOL PT640 data lock and zeroing feature image Click to enlarge
AUTOOL PT640 digital pressure system range image Click to enlarge
AUTOOL PT640 adapter hoses and T connector image Click to enlarge
Specifications

PT640 Specifications

Review the confirmed PT640 measurement range, units, accuracy, resolution, battery requirement, operating temperature, overload pressure, and display functions before use.

Product And Application
ProductAUTOOL PT640 GDI Fuel Pressure Gauge
ApplicationGDI / direct injection fuel pressure testing
Test TargetFuel injection pump pressure in automotive direct injection systems
Display2.8-inch backlit display screen
Measurement
Pressure Range0-360bar / 0-5221.3psi / 0-367kg/cm²
Pressure Unitsbar, kg/cm², Psi
Accuracy1% FS
Resolution0.1bar / 0.1kg/cm² / 0.1Psi
Overload Pressure400bar
Pressure AlarmAlarm when pressure exceeds 355bar
Power And Functions
Operating Voltage6V
Battery Type4 × 1.5V AAA batteries
Operating Temperature-10°C to 60°C
Display DataCurrent pressure, maximum pressure, minimum pressure, differential pressure, pressure unit, and measurement time
ControlsPower / language, unit switching, lock / unlock, clear / zero, backlight, and key sound
Warranty3-year warranty for eligible non-human damage cases and lifetime maintenance support
Product Structure
Structure OverviewThe PT640 structure image shows the display area, control buttons, measuring probe, battery cover, key sound control, backlight control, and compact 175mm × 72mm body size.
DisplayShows pressure data, unit, time, max / min values, and differential data.
Lock / UnlockLocks the current data and interface for easier observation.
Clear / ZeroClears stored data and performs pressure zeroing before measurement.
Unit / PowerSwitches pressure units and controls power / language functions.
AUTOOL PT640 size and part introduction imageClick to enlarge
Product And Application
ProductAUTOOL PT640 GDI Fuel Pressure Gauge
ApplicationGDI / direct injection fuel pressure testing
Test TargetFuel injection pump pressure in automotive direct injection systems
Display2.8-inch backlit display screen
Measurement
Pressure Range0-360bar / 0-5221.3psi / 0-367kg/cm²
Pressure Unitsbar, kg/cm², Psi
Accuracy1% FS
Resolution0.1bar / 0.1kg/cm² / 0.1Psi
Overload Pressure400bar
Pressure AlarmAlarm when pressure exceeds 355bar
Power And Functions
Operating Voltage6V
Battery Type4 × 1.5V AAA batteries
Operating Temperature-10°C to 60°C
Display DataCurrent pressure, maximum pressure, minimum pressure, differential pressure, pressure unit, and measurement time
ControlsPower / language, unit switching, lock / unlock, clear / zero, backlight, and key sound
Warranty3-year warranty for eligible non-human damage cases and lifetime maintenance support
Product Structure
Structure OverviewThe PT640 structure image shows the display area, control buttons, measuring probe, battery cover, key sound control, backlight control, and compact 175mm × 72mm body size.
DisplayShows pressure data, unit, time, max / min values, and differential data.
Lock / UnlockLocks the current data and interface for easier observation.
Clear / ZeroClears stored data and performs pressure zeroing before measurement.
Unit / PowerSwitches pressure units and controls power / language functions.
How To Use

How To Use

Before connecting the PT640 to a direct injection fuel line, release fuel pressure, install batteries, select the correct adapter, and take precautions against residual fuel leakage.

Release Fuel Pressure

Unplug the fuel pump fuse, relay, or oil pump plug. Start the engine until it stalls, start it again 2-3 times, then disconnect the negative battery terminal.

Install Batteries

Open the rear battery cover and install 4 × 1.5V AAA batteries according to the positive and negative polarity marks.

Select Adapter

Choose the adapter suitable for the vehicle model and connect it to the measuring probe before connecting the pressure tester.

Connect To GDI Fuel Line

Connect the device to the direct injection fuel pipeline. Place a towel or cotton cloth below the oil pipe interface when removing the oil pipe to prevent residual fuel from leaking onto the ground.

Measure And Record

Long-press to power on, long-press zeroing, select the pressure unit, and start measurement. The device displays the fuel pressure value and related pressure data.

Use Notes

  • Release fuel pressure before installing the pressure tester.
  • Use a towel or cotton cloth to catch residual fuel when removing the fuel pipe.
  • Select the adapter suitable for the vehicle model before connection.
  • The device alarms when pressure exceeds 355bar.
  • Do not overload the equipment.
  • After measurement, power off the device at atmospheric pressure when possible.
AUTOOL PT640 packing list and accessoriesClick to enlarge
What Is In The Box

What Is In The Box

The packing list image shows the most relevant PT640 package contents, including the main unit, carrying case, product box, user manual, adapter hoses, metal adapters, and T connector.

Main UnitAUTOOL PT640 GDI Fuel Pressure Gauge
StorageCarrying case and product box shown in package image
ManualPT640 user manual
AdaptersAdapter hoses, metal adapters, and T connector shown in package image
Power4 × AAA batteries required
Product Comparison

Product Comparison

PT640 is positioned as the GDI Fuel Pressure Gauge in the AUTOOL engine pressure tester lineup. Use the comparison chart to choose the right pressure tester for cylinder pressure, engine oil pressure, fuel pressure, GDI pressure, transmission oil pressure, or brake system pressure testing.

PT610Cylinder pressure gauge for cylinder pressure diagnosis
PT620Engine oil pressure gauge with digital display
PT635High-end fuel pressure gauge for broader fuel pressure service
PT640GDI fuel pressure gauge for direct injection fuel pump pressure, 0-360bar
PT650ATF exchanger / transmission oil pressure gauge
PT660Brake pressure gauge for brake system pressure testing
AUTOOL Engine Pressure Testers comparison chart including PT640 GDI Fuel Pressure GaugeClick to enlarge
Related Products

Related Products

Compare related AUTOOL engine pressure tester tools before choosing the right gauge for cylinder, engine oil, fuel, GDI, transmission, or brake pressure testing.

Manual And Downloads

Manual And Downloads

Download the correct AUTOOL PT640 GDI Fuel Pressure Gauge user manual. The original page contained a PT520 manual link in one location, so this section uses the PT640 manual PDF consistently.

AUTOOL PT640 GDI Fuel Pressure Gauge user manual preview Click to enlarge

AUTOOL PT640 User Manual

Open the PT640 manual for specifications, fuel pressure release preparation, battery installation, adapter connection, unit switching, zeroing, and measurement guidance.

Download Manual
Before You Order And Use

Before You Order And Use

PT640 is a high-pressure GDI fuel pressure tester. Review fuel pressure release, adapter selection, pressure range, unit support, alarm threshold, and storage notes before use.

Purchase And Use Notes

  • PT640 is for GDI / direct injection fuel pressure testing.
  • Pressure range: 0-360bar / 0-5221.3psi / 0-367kg/cm².
  • Supported pressure units: bar, kg/cm², Psi.
  • Use 4 × 1.5V AAA batteries.
  • Release fuel pressure before installing the pressure tester.
  • When removing the oil pipe, place a towel or cotton cloth under the oil pipe interface to prevent fuel from leaking onto the ground.
  • Select the adapter suitable for the vehicle model before connecting.
  • The device alarms when pressure exceeds 355bar.
  • Do not overload the equipment.
  • Store the product in a dry place when not in use.

Questions And Answers

These answers cover PT640 use cases, pressure range, pressure units, batteries, fuel pressure release, adapters, PT635 / PT640 differences, manual download, and support.

Warranty And Contact

Warranty And Contact

For PT640 product support, GDI compatibility, pressure range confirmation, adapter selection, manual support, warranty, or engine pressure tester model selection, contact AUTOOL Store directly.

Pre-Sales And Product Support

Use support if you need help confirming whether PT640 is suitable for your direct injection fuel system, choosing between PT610 / PT620 / PT635 / PT640 / PT650 / PT660, checking adapter use, or requesting manual and warranty support.

  • 3-year warranty for eligible non-human damage cases
  • Lifetime maintenance support
  • GDI fuel pressure testing and pressure range confirmation
  • Adapter and package content confirmation
  • Manual request and engine pressure tester model selection
Email Supportsupport@autoolstore.comWhatsApp Support+86 189 2647 7404

Customer Reviews

  1. 5
    (2 customer reviews)
    100% of customers recommend this product.
    5 Stars100%4 Stars0%3 Stars0%2 Stars0%1 Star0%

  2. Arlen Jerome –

    The item arrived in a timely manner, well packaged, and was just as described. Great seller!

    0 of 0 found this review helpful

  3. Donahue Wood –

    The measurement range is wide, the readings are easy and clear, and the quality of the product is excellent!

    0 of 0 found this review helpful
Leave A Review

Your email address will not be published. Required fields are marked *

PT640 GDI Fuel Pressure Gauge
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge

US$189.00

Add to cart This product has multiple variants. The options may be chosen on the product page