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Spark plugs and coils

Spark plug and coil replacement in North Parramatta

★ 5.0 41 Google reviews MVRL 62840 12-month / 20,000 km warranty 24 years' experience Open 7 days

Misfire or rough idle?

Spark plugs and coils Quote for your car

Offer terms

What's included

Quoted for your car before any work starts. The price depends on how many cylinders the engine has and how hard the plugs are to reach, so you get the figure before we start.

  • Misfire codes and live data read
  • Plugs to your maker's specification
  • Plugs torqued to specification
  • Coils tested, replaced only if failed
  • Re-checked on a road test
  • 12 months / 20,000 km warranty on parts and labour

Quoted for your car in writing before any work starts.

Prices include GST · Price terms

Good care. Clear prices.

What it costs

Every price

The price depends on how many cylinders the engine has and how hard the plugs are to reach, so you get the figure before we start.

Prices include GST · Price terms

Details

Anything without a published price is quoted in writing, parts and labour, itemised, before it's touched. Not sure what's wrong? The diagnostic is a fault-code scan and a road test.

Spark plugs and ignition coils in North Parramatta

Spark plug and ignition coil replacement at Vertex Automotive, 7 Daking Street, North Parramatta, is quoted for your engine before we start, using plugs of the type your maker specifies. Worn plugs cause misfires, a rough idle and higher fuel use, and a failing coil does the same on one cylinder.

A spark plug fires thousands of times a minute, and its tip wears a little each time. As the gap grows the spark weakens, and the engine misfires under load, idles roughly and uses more fuel.

More detail

Makers set an interval for plugs and it varies widely: some turbo engines are due around 60,000 km, while long-life plugs in other engines go much further. Your logbook has the figure.

Most engines have an ignition coil for each cylinder. When a misfire stays on one cylinder, we move its coil to another and see whether the misfire follows, so you only pay for a coil that has failed.

Get a quote

Why Vertex

A real workshop in North Parramatta

  • On the hoist

    Every car goes up, so we see underneath, not just under the bonnet.

  • 24 years' experience

    All makes: Japanese, Korean, Chinese and European.

  • 12-month warranty

    12 months or 20,000 km on parts and labour.

  • Open 7 days

    Drop off from 8:30am. Sundays 9am to 5pm.

Three steps

How it works

01

Scan and check

Misfire codes and live data read, so we know whether it is plugs, a coil or something else.

02

Quoted for your engine

Plugs of the type your maker specifies, and a coil only where one has failed, itemised in writing.

03

Fitted and re-checked

Plugs torqued to specification, codes cleared, then the misfire data checked again on a road test.

Questions

Still have a question?
Call 0433 950 192

How much does spark plug replacement cost?

It depends on the engine: how many cylinders, the type of plug and how hard they are to reach. A four-cylinder is quick; a V6 with its rear plugs under the intake takes longer. We quote it first.

How often should spark plugs be replaced?

Follow your logbook. The interval depends on the engine and the plug type, and turbo engines are usually shorter. If there is no record, we pull one and look.

Should the coils be replaced with the plugs?

Only if one has failed. Coils are tested, not replaced on a guess.

Is a flashing engine light a spark plug?

A flashing light means an active misfire, and plugs and coils are common causes. Ease off and have it checked soon: a misfire sends unburnt fuel into the catalytic converter and can damage it.

What are the signs of worn spark plugs?
  • A misfire or shudder under load
  • A rough or lumpy idle
  • A flashing check engine light
  • Hard starting
  • Fuel use has gone up
  • The logbook says the plugs are due
THE SPECIFICATION COMES FIRST

Quality oils. Suitable parts.
Chosen for your car.

The oil brands we use, with parts and battery brands below. The exact product is confirmed for your vehicle.

Liqui Moly
Castrol
Mobil
Motul
Valvoline
Valvoline
Penrite
Penrite
Century batteriesCentury batteries
RycoRyco filters

Brands identify products, not sponsorship or manufacturer authorisation. Product availability and suitability are confirmed with your quote.

Find us

Address
7 Daking Street, North Parramatta NSW 2151
Open
Mon to Sat 8:30am to 5:30pm
Sunday 9:00am to 5:00pm
Phone
0433 950 192

Licensed repairer MVRL 62840

24 years of mechanical experience.

Everyday servicing, European cars and complex repairs. Talk directly to the people working on your car.

Talk to a mechanic

Expert care, every drive.

See your price and book a time online. Pay at the workshop when it's done.

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