What is a Car Diagnostic Test, and How Can Garages Help With the Same?

Garage Sutton

A long time back, when a car broke down, the mechanic was required to poke into the engine to find the cause. However, with technological enhancements, the structuring of cars has become immensely complex. With complexities in engine structure and several sensors installed in different types of car models, identifying problems through manual checking has become difficult.


Nowadays, the engine control unit coordinates the majority of the parts and units of the car. Hence, you’ll notice warning lights on the dashboard if there are any issues. With the invention of diagnostic tests, finding car problems has become easier.


If your car is troublesome, take it to a garage in Sutton. They will conduct a diagnostic test and find the issues from within.

How do mechanics use diagnostic tests on cars?

This is a health check for the car. A certified mechanic is entrusted with the work during which different components and systems of the vehicles are checked using specialised software to identify the faults present in the car. During the diagnostic test, a mechanic can identify a range of issues:


  • Problems with the fuel injection system
  • Problems building up in the engine
  • Poor car ignition timings
  • Improper levels of RPM
  • Problems with the ignition coils

What are the benefits of car diagnostic tests?

Before the invention of the diagnostic test, mechanics opened all the car parts and conducted thorough research to identify the issues that might be cropping up. Some of the major benefits of conducting diagnostic tests are as follows:


  • It helps in reducing the repair and replacement costs of the car
  • It helps in maintaining the parts of the car from further damage
  • It helps in identifying the part which has been damaged
  • It helps maintain the performance levels of the car
  • It helps keep a complete digital record of the problems present in the car for future reference.


Book an expert mechanic from a renowned garage in Sutton for a complete diagnostic test of every car model. Get in touch with Marlow Motors Ltd. We have a team of professional mechanics who can help you with proper diagnostic tests.


We have certified mechanics who can help you with diagnostic tests for all car models. Book your appointment with our mechanics, and have your car repaired easily.