1970 to 1975 3.5 4.5 D-Jetronic Fuel Injection Tester

Jun 5, 2018


Welcome to Grafco Electric, your one-stop destination for high-quality automotive testing tools. In this page, we'll be exploring the features and benefits of our top-of-the-line 1970 to 1975 3.5 4.5 D-Jetronic fuel injection pressure tester. Designed specifically for your D-Jetronic fuel injection system, our tester ensures accurate and reliable results for diagnosing fuel injection issues.

Why Choose Grafco Electric?

At Grafco Electric, we pride ourselves on providing the highest quality automotive testing tools for our customers. Here's why you should choose our 1970 to 1975 3.5 4.5 D-Jetronic fuel injection pressure tester:

  • Precision: Our tester is engineered with precision in mind, guaranteeing accurate pressure readings every time.
  • Reliability: We understand the importance of reliable diagnostic tools. Rest assured that our tester will consistently deliver trustworthy results.
  • Compatibility: Designed specifically for 1970 to 1975 3.5 4.5 D-Jetronic fuel injection systems, our tester ensures a perfect fit and accurate testing results.
  • Extras: Included with our tester are various extras to enhance your testing experience. These extras may include adaptors, connectors, and user manuals to make the testing process seamless.
  • Longevity: Made from durable materials, our tester is built to withstand the test of time, ensuring long-lasting performance.

The Importance of Fuel Injection Pressure Testing

The fuel injection system plays a critical role in the proper functioning of your vehicle. By accurately measuring the fuel injection pressure, you can identify any potential issues and ensure optimal performance. Here are some reasons why fuel injection pressure testing is essential:

  1. Diagnosing Fuel Delivery Problems: If your vehicle is experiencing issues such as rough idle, poor acceleration, or decreased fuel efficiency, it could be due to problems with the fuel delivery system. Pressure testing allows you to pinpoint the exact cause and take appropriate action.
  2. Preventing Costly Repairs: Early detection of fuel injection system issues can save you from more significant and expensive repairs down the line. Regular pressure testing can help identify potential problems before they escalate.
  3. Optimizing Engine Performance: An improperly functioning fuel injection system can lead to decreased engine performance, affecting both power and fuel efficiency. By keeping the system in check through pressure testing, you can ensure your engine performs at its best.
  4. Improving Fuel Economy: A properly calibrated fuel injection system contributes to better fuel economy. Regular pressure testing allows you to address any fuel delivery issues promptly, helping you save on fuel costs in the long run.

How to Use the Grafco Electric D-Jetronic Fuel Injection Tester

Using our 1970 to 1975 3.5 4.5 D-Jetronic fuel injection pressure tester is simple and straightforward. Follow these steps:

  1. Step 1: Locate the fuel pressure test port on your D-Jetronic fuel injection system.
  2. Step 2: Attach the appropriate adaptor from our included extras to connect the tester to the test port.
  3. Step 3: Start your vehicle's engine and let it reach normal operating temperature.
  4. Step 4: With the help of the built-in pressure gauge on our tester, measure the fuel injection pressure.
  5. Step 5: Compare the measured pressure to the specifications outlined in your vehicle's manual to determine if it falls within the recommended range.
  6. Step 6: If the pressure is outside the specified range, further diagnose the problem or consult a professional mechanic for assistance.


When it comes to accurate and reliable fuel injection pressure testing, Grafco Electric has you covered. Our 1970 to 1975 3.5 4.5 D-Jetronic fuel injection pressure tester is designed to meet the needs of your specific vehicle, providing you with peace of mind and reliable results. Don't wait until fuel delivery issues escalate; invest in our top-of-the-line tester today!