Oil in the Spark Plug Wells: How a Small Leak Melted a Spark Plug
A leaking valve cover gasket let oil fill the spark plug wells on this Renault Kangoo. The result was a misfire and a spark plug with its centre electrode completely melted away.
Common Car Problems Fixed by Mobile Mechanics
9 Common Car Problems Fixed by Mobile Mechanics When your vehicle starts acting up, it can be stressful—especially if you’re unsure whether to visit a repair shop or wait for assistance. Fortunately, mobile mechanics are equipped to handle a wide range of common car problems right at your location. Here’s a look at some of […]
Navara EGR valve Repair – Mobile Mechanic Gold Coast
Another EGR valve problem today, this time – Nissan D40 Navara EGR valve failure. We regularly see EGR issues with most modern diesel cars. EGR (Exhaust Gas Recirculation) is a system that directs controlled exhaust gas back into the intake to be re burnt in the engine. This is done a specific times to lower […]
Valve adjustment – Certified Automotive
As a part of the scheduled maintenance, Engine valve adjustment is required on some engines. Today we have a Mitsubishi Triton with a 4D56 diesel engine. The vehicle had very low power and was rattling. As this was a new client we didn’t have any history on previous maintenance. The valves sound well out of […]
Carbon Clean Service – Mobile Mechanic Gold Coast
This Mitsubishi Triton had low power and poor fuel economy. The Certified mechanic team inspected the car and found heavy carbon build up in the engines intake system. A carbon clean is required. This is common with turbo diesel engines. The factory fitted ‘EGR’ system which is to provide better economy and for pollution control […]
Roadside Assistance – Certified Automotive
Certified Automotive is a complete mobile service. This means we come to you wherever you are on the Gold Coast. Roadside assistance is what we specialise in. We commonly attend to a wide range of breakdowns. Some of these include: Car won’t start Drive belts and pulleys Batteries, alternators & starter motors Cooling system repairs […]
Oxygen sensor – Mobile Mechanic Gold Coast
Oxygen sensor are an important component in the vehicles engine management system. The oxygen sensors are located in the exhaust system. Their job is to determine and report to the computer the fuel ratio of the exhaust. This information allows the computer to know if the engine is running rich or lean. From this info […]
Hyundai engine failure Repair – Mobile Mechanic Gold Coast
A callout in Tugun to a Hyundai Sonata to inspect a loud noise from the clients engine has led to a complete engine replacement. The noise was a very loud ‘knocking’. This was diagnosed on site as a failed con rod bearing which was causing the piston to hit the cylinder head. This is a […]
Commodore injector fault Repair – Mobile Mechanic Gold Coast
Todays fault is a VE Commodore 6L V8 with an engine fault. This vehicle was running rough, it had a noticeable misfire. It was actually running on 7 cylinders not 8. A diagnostic check was done with a scan tool which showed code P0203. This code means ‘cylinder 3 injector circuit malfunction’. With some further […]
EGR problems – Certified Automotive
EGR stands for Exhaust Gas Recirculation. This system is on nearly every vehicle as it helps manufacturers meet emission standards required. This system does as the name says, it recirculates exhaust gas back into the engines intake to be re-burnt. This does 2 things, it increases the fuel economy and reduces pollution. This system does […]
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VW Amarok EGR Valve Blocked with Carbon: Symptoms and Fix 27 October 2026 -
VW DSG Mechatronic Replacement: Three Units in One Week 27 October 2026 -
LandCruiser 70 Series V8 Turbo Replacement (With the Engine Out) 27 October 2026 -
Jeep Grand Cherokee V6 Diesel: Two Common Faults Caught Early 27 October 2026