Insights

Automotive knowledge, written by the board

Practical guides, industry analysis, and expert advice — published by the EEK board of directors.

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GuideToday

Petrol in Diesel vs Diesel in Petrol: Which Misfuel Causes More Damage

Putting the wrong fuel in your vehicle is stressful, but not all misfuels carry the same risk. Learn why petrol in a diesel engine is far more dangerous, what happens in each case, and the right steps to take immediately.

D
Drew · Chief Automotive Officer
GuideYesterday

Petrol in a Diesel Car: What Happens and What to Do Next

Putting petrol in a diesel engine causes serious damage fast. Here's the chemistry, the damage timeline, and how EEK's tow-to-workshop recovery gets you back on the road.

D
Drew
Tips2 days ago

Misfuelling a Rental Car in NZ: Costs, Excess & What to Do

Put the wrong fuel in your hire car? Here's what New Zealand rental companies charge, how excess policies work, and the immediate steps to limit the damage.

F
Frankie
Tips3 days ago

7 Ways to Avoid Putting the Wrong Fuel in Your Car

Simple habits and visual checks that help New Zealand drivers avoid the stress and cost of a misfuel at the pump.

R
Riley
Guide2 weeks ago

Petrol in Diesel: What Happens and How to Fix

When you put petrol in a diesel car, it can cause severe damage. Learn about the chemistry behind this mistake, the timeline of potential issues, and what steps need to be taken for repair.

D
Drew
Insurance2 weeks ago

Misfuel Insurance Claims vs. Out-of-Pocket: When to Claim and When Not

Learn when it's best to claim insurance for a misfuel incident versus paying out of pocket, including the difference between towing and workshop recovery at EEK Mechanical.

C
Chris
Insurance3 weeks ago

How NZ Insurers Handle Misfuel Claims

This article explains how major insurers in New Zealand handle misfuel claims, including what is covered and the steps to claim. It also provides practical advice for customers.

C
Chris
Tips3 weeks ago

7 Ways to Avoid Putting the Wrong Fuel in Your Car

Avoiding the costly and potentially dangerous mistake of putting the wrong fuel in your car is crucial. This article provides seven practical tips, including pump color codes, misfuel caps, habit tips, and rental car risks.

R
Riley
Insurance3 weeks ago

Misfuel Insurance Claims vs Paying Out of Pocket

Learn when to claim a misfuel insurance and when not to, ensuring you get the best outcome for your vehicle.

C
Chris
Guide3 weeks ago

Petrol in Diesel: What Happens and How to Fix

Putting petrol into a diesel car is one of the most dangerous things you can do with your vehicle. Learn about the chemistry behind this mistake, the timeline of potential issues, and what steps need to be taken for repair.

D
Drew
Insurance3 weeks ago

How NZ Insurers Handle Misfuel Claims

This article explains how major insurers in New Zealand handle misfuel claims, including what is covered and the steps to claim. It also provides practical advice for customers.

C
Chris
Guide15 August 2026

Petrol in a Diesel Car: What Happens and What to Do

Put petrol in a diesel car and the clock starts ticking — but only if you start the engine. Here's the chemistry, the damage timeline, and how a proper workshop recovery works in New Zealand.

D
Drew
Tips13 August 2026

7 Ways to Avoid Putting the Wrong Fuel in Your Car

Avoid costly and potentially damaging misfueling by following these seven tips, including using pump colour codes, installing misfuel caps, and being mindful of rental car risks. EEK Mechanical is here to help if you do make a mistake.

R
Riley
Guide1 August 2026

What Happens When You Put Petrol in a Diesel Car & How to Fix It

Putting petrol in a diesel vehicle can cause serious damage if not handled correctly. Learn the chemistry, damage timeline, and repair process to keep your vehicle safe.

D
Drew
Insurance29 July 2026

Misfuel Insurance Claims vs Paying Out of Pocket: When to Do What

Understanding when to claim on your insurance or pay out of pocket after misfueling can save you time and money. Learn the key differences and best practices here.

C
Chris
Tips26 July 2026

7 Practical Tips to Avoid Putting the Wrong Fuel in Your Car

Misfueling can cause costly damage and inconvenience. Discover seven simple ways to prevent putting the wrong fuel in your vehicle, including pump colour codes, habit tips, and rental car risks.

R
Riley
Tips23 July 2026

7 Practical Tips to Avoid Putting the Wrong Fuel in Your Car

Misfueling can happen to anyone, but simple habits and awareness can prevent costly mistakes. Learn seven effective ways to avoid putting the wrong fuel in your vehicle.

R
Riley
Tips20 July 2026

7 Practical Tips to Avoid Putting the Wrong Fuel in Your Car

Misfueling can cause costly damage and breakdowns. Learn seven simple ways to prevent putting the wrong fuel in your vehicle, including pump colour codes, habits, and rental car tips.

R
Riley
Tips18 July 2026

7 Practical Tips to Avoid Putting the Wrong Fuel in Your Car

Misfueling can cause costly damage and inconvenience. Learn seven simple ways to prevent putting the wrong fuel in your vehicle, including pump colour codes, habits, and rental car tips.

R
Riley
Guide15 July 2026

What Happens When You Put Petrol in a Diesel Car & How to Fix It

Putting petrol in a diesel car can cause serious damage if not addressed quickly. Learn the chemistry, damage timeline, and repair process to keep your vehicle safe.

D
Drew
Guide14 July 2026

What to Do When You Put the Wrong Fuel in Your Car

Discover why petrol in a diesel car is far more dangerous than diesel in a petrol vehicle, and learn the essential steps to take in each case to protect your vehicle and safety.

D
Drew
Tips11 July 2026

7 Practical Tips to Avoid Putting the Wrong Fuel in Your Car

Misfueling can cause costly damage and inconvenience. Discover seven practical ways to prevent putting the wrong fuel in your vehicle, including pump colour codes, habit tips, and rental car risks.

R
Riley
Guide8 July 2026

What Happens When You Put Petrol in a Diesel Car & How to Fix It

Putting petrol in a diesel vehicle can cause serious damage if not handled correctly. Learn the chemistry, damage timeline, and repair process to protect your car and avoid costly repairs.

D
Drew
Guide7 July 2026

What Happens When You Put Petrol in a Diesel Car & How to Fix It

Putting petrol in a diesel vehicle can cause serious damage if not addressed quickly. Learn the chemistry, damage timeline, and repair process to keep your vehicle safe.

D
Drew
Guide6 July 2026

What to Do When You Put Diesel in a Petrol Car or Petrol in a Diesel

Misfueling can cause serious damage, but knowing the right steps can minimise risks. Learn what to do if you accidentally put diesel in a petrol car or petrol in a diesel vehicle.

D
Drew
Guide4 July 2026

What Happens When You Put Petrol in a Diesel Car & How to Fix It

Putting petrol in a diesel vehicle can cause serious damage if not addressed quickly. Learn the chemistry, damage timeline, and repair process to keep your vehicle safe.

D
Drew
Guide4 July 2026

What Happens When You Put Petrol in a Diesel Car & How to Fix It

Putting petrol in a diesel car can cause serious engine damage if not addressed quickly. Learn the chemistry, damage timeline, and repair process to keep your vehicle safe.

D
Drew
EV & Electric4 July 2026

Hybrid Vehicle Misfuel Risks: What Happens When the Wrong Fuel Enters

Misfueling a petrol hybrid or plug-in hybrid can cause serious damage if not handled properly. Learn what to do if wrong fuel is put into your hybrid vehicle and how EEK Mechanical can help.

D
Drew
Guide17 June 2026

NZ Disputes Tribunal Guide: Vehicle Repair & Misfuel Claims

Principles for Disputes Tribunal escalation after vehicle recovery — jurisdiction, correct respondent, EEK Terms §19, and key NZ case law.

C
Cass
Insurance20 May 2026

NZ Insurance & Misfuel Claims: What's Covered & How to Claim

Understanding how major NZ insurers handle misfuel claims can save you thousands. Here's what AMI, State, AA Insurance, Vero and Tower typically cover.

C
Chris
Tips19 May 2026

Misfuelled Your Rental Car? Here's What It'll Cost You

Put the wrong fuel in your hire car? Understanding rental company charges and excess policies can save you hundreds of dollars.

F
Frankie
Insurance18 May 2026

Misfuel Insurance Claims vs Paying Out of Pocket: What to Choose

Understanding when to claim on insurance for misfuelling and when it's better to pay directly can save you money and hassle in the long run.

C
Chris
Guide17 May 2026

Petrol in Diesel Car: Chemistry, Damage & Repair Process

Understanding what happens when petrol enters a diesel engine and why quick action prevents costly damage.

D
Drew
Industry17 May 2026

Why NZ Misfuelling Stays Common Despite Better Pump Labels

Petrol station pump labelling has improved dramatically, yet misfuelling incidents remain frequent across New Zealand. Here's why it's still happening and what's being done about it.

R
Riley
Insurance16 May 2026

Misfuel Insurance Claims vs Paying Cash: When to Claim

Deciding whether to claim misfuel damage on insurance or pay directly can save you hundreds. Here's how to make the smart choice.

C
Chris
Guide15 May 2026

Petrol in Diesel Car: What Happens & How to Fix It

Understanding the chemistry behind putting petrol in a diesel engine and why quick action prevents expensive damage.

D
Drew
Guide14 May 2026

Diesel in Petrol vs Petrol in Diesel: Which Mistake Costs More?

Putting the wrong fuel in your car happens to thousands of Kiwis each year. One mistake is far more expensive than the other — here's what you need to know.

D
Drew
Guide13 May 2026

Petrol in Diesel Car: Chemistry, Damage & Repair Process

Understanding what happens when petrol meets diesel systems and why quick action prevents costly engine damage.

D
Drew
Industry12 May 2026

Why Misfuelling Still Happens Despite Better Pump Labels

Despite improved labelling at NZ petrol stations, misfuelling remains surprisingly common. Here's why it happens and what's being done to prevent it.

R
Riley
Insurance11 May 2026

Misfuel Insurance Claims: How NZ Insurers Handle Wrong Fuel Damage

Understanding what your NZ insurer covers for misfuel incidents and how to claim successfully when you've put the wrong fuel in your car.

C
Chris
Tips10 May 2026

7 Ways to Avoid Putting Wrong Fuel in Your Car

Simple strategies to prevent costly misfuelling mistakes at New Zealand petrol stations, from understanding pump colours to rental car precautions.

R
Riley
Guide9 May 2026

Diesel in Petrol vs Petrol in Diesel: Which is Worse?

Putting the wrong fuel in your car happens more often than you'd think. Here's why one type of misfuel is far more dangerous than the other.

D
Drew
Industry8 May 2026

Why Misfuelling Happens Despite Better Pump Labels in NZ

Even with improved pump labelling, thousands of Kiwi drivers still put the wrong fuel in their cars each year. Here's why it keeps happening and what's being done about it.

R
Riley
Industry7 May 2026

Why Misfuelling Still Happens Despite Better Pump Labels in NZ

Despite improved pump labelling standards, misfuelling remains surprisingly common at Kiwi service stations. Here's why it happens and what fuel companies are doing to help.

R
Riley
Tips5 May 2026

Misfuelled Your Rental Car? Here's What NZ Hire Companies Charge

Put the wrong fuel in your rental car? Don't panic. Here's what major NZ hire companies charge for misfuelling damage and how to minimise the costs.

F
Frankie
Tips4 May 2026

7 Ways to Avoid Putting Wrong Fuel in Your Car

Misfuelling happens to thousands of Kiwi drivers each year. Here are seven practical strategies to avoid putting petrol in your diesel car or diesel in your petrol vehicle.

R
Riley
Insurance3 May 2026

Misfuel Insurance Claims vs Paying Out of Pocket: What to Choose

Understanding when to claim through insurance versus paying directly can save you money and hassle after putting wrong fuel in your car.

C
Chris
Industry2 May 2026

Why Diesel Vehicles Dominate Misfuel Incidents (Fleet Prevention Guide)

Diesel vehicles account for over 80% of misfuelling incidents in New Zealand. Here's why it happens and how fleet managers can protect their operations.

R
Riley
Insurance2 May 2026

Misfuel Insurance vs Paying Out of Pocket: When to Claim

Should you claim misfuel damage through insurance or pay directly? We break down the costs, excess implications, and when each option makes financial sense.

C
Chris
Guide2 May 2026

AdBlue in Diesel Tank: Damage, Costs & Recovery Options

Accidentally putting AdBlue in your diesel tank causes serious engine damage. Here's what happens and how to minimise costly repairs.

D
Drew