Diagnostics

Specialists in Engine Diagnostics & Tune Ups

Moss and Hall Engineering have fully qualified auto electricians who are experienced in diagnosing and resolving a wide range of electrical faults.

We also carry a large comprehensive stock of small electrical components such as bulbs, fuses, relays and wipers to ensure that your work is carried out without delay.

Many electrical problems can be resolved while you wait and often do not need extensive diagnosis.

At Moss and Hall Engineering we have a multitude of dealership level diagnostic equipment and the latest Pico oscilloscope technology, amongst various common multi-meters and test probes. Between our extensive knowledge and specialist equipment, we are confident we can solve 99% of all problems.

Our Diagnostic Machines can help with a comprehensive range of automotive problems:

• Fuel Injection Problem
• Engine Management Fault
• Exhaust Emission Fault
• Flat Spot Hesitation or Misfire
• ABS Fault
• MOT Failure

• Battery, starter motor and the associated wiring
• Battery charging rate. Vehicle current draw & alternator
• Distributor assembly, cap & rotor arm plus ignition timing variation
• Ignition module operation & coil dwell function
• Coil output together with spark duration
• Spark plugs and plug lead performance
• Carburettor / Injection duration
• Exhaust Gas Measurements (to MOT testing standard)
• Cylinder condition & relative compression test
• Fuel injection variation
• In all well over 275 tests are made on a petrol engine

• Battery, starter motor and the association wiring
• Battery charging rate. Vehicle current draw & alternator
• Heater glow plug current draw, pre-glow timer check
• Heater glow plug, post-glow timer check
• Fuel injection pump operation (plus timing where marks are available)
• Exhaust Smoke Density Measurements (To MOT testing standard)
• In all, well over 120 tests are made on a diesel engine

All of the above is compiled to form a comprehensive A4 printout to give you, the customer, a record of the entire test as carried out on your vehicle. Phone now to book in your car and make sure you get the most from the fuel you buy.