Spark knocking (preignition) noise from engine or exhaust assessment? We'll get your Volvo fixed in no time.

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Spark knocking (preignition) noise from engine or exhaust assessment for your Volvo

If you're hearing a spark knocking (preignition) noise from your engine or exhaust My Auto Shop can get it sorted with a Engine Inspection. Simply leave as many details about the issue as you can and we will contact local MTA approved mechanics that are qualified to fix the underlying issue. We'll email you quotes for an inspection within 2 working days, and where possible provide an indication as to the likely underlying issue(s) and cost to fix. You can book directly on the My Auto Shop platform in minutes.

How a Engine Inspection works with My Auto Shop:

Our qualified mechanic will look to complete a thorough inspection of your vehicle's engine using the information or symptoms you have provided via the My Auto Shop platform. To complete this the mechanic will usually start by plugging into your OBDII port and completing a complete diagnostic scan. This will highlight any error or warning codes your vehicle has and will provide the mechanic with information they. need to fix your problem.

Depending on the symptoms the mechanic will take a good look at your vehicles:
- Drive & timing belts (cambelt, serpentine belts);
- Camshaft & crankshaft;
- Spark plugs; or
- Oil pan.

Before completing any repairs the mechanic will complete a quote and look for your approval.

When your hearing a spark knocking (preignition) noise from your engine or exhaust its often as a result of a:

  • Improper ignition timing
  • Lean air/fuel ratio
  • Overheating
  • Improper fuel octane level

Popular services linked to a Engine Inspection:

Accelerator Cable Replacement

A lot of cars used to trust a steel cable to transmit inputs to the accelerator to the engine. Modern cars use a drive-by-wire system. Over time the cable will need adjusting as it stretches. In some rare cases, if you’re a real fast and furious driver, it can snap and require replacing.

Cooling Fan Replacement

In order to keep your car's engine cool, calm and collected, your cooling system uses a cooling fan to move air through the radiator and cool the coolant. Over time the fan can become damaged or can just wear out. It’s a really important part of the cooling system so if there’s a problem then it needs to be solved as soon as possible.

Spark Plug Replacement

Spark plugs are the reason a petrol powered engine works. They are a part of the all important process known as “fuel, air and spark”. Without one of these components, your car's engine will not be able to work.

Radiator Top Hose Replacement

In order for your hot coolant to make it back to your radiator, it has to flow through a thick rubber hose. This is the radiator top hose. Over time, due to the pressure of the cooling system, the high heats from the coolant, and general wear and tear, the hose breaks down and will need to be replaced.

Why book with My Auto Shop?

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