Perak's Ministry of Domestic Trade and Cost of Living (KPDN) received 25 complaints involving suspected RON95 petrol contamination in October 2026, with water in fuel storage tanks among the possible causes.
But if your car suddenly starts jerking, losing power or struggling to start after refuelling, how can you tell whether the petrol is responsible?
⚡ TL;DR: WHAT DRIVERS SHOULD KNOW
- 25 Complaints: Suspected RON95 contamination was reported across five Perak districts in October.
- Not Yet Confirmed: Laboratory results were still pending as of 1 November.
- Warning Signs: Starting trouble, engine jerking, power loss or stalling may indicate a fuel-related problem.
- Keep Evidence: Save your petrol receipt, station details and workshop findings if you suspect contaminated fuel.
How Can You Tell If Petrol Might Be Contaminated?
Drivers generally cannot identify contaminated petrol simply by looking at the fuel pump. Instead, possible warning signs may appear through changes in engine performance.
According to AAA's automotive guidance on bad fuel, symptoms worth watching include:
Important: These symptoms do not prove petrol contamination. Mechanical or electrical faults can cause similar problems, so a workshop diagnosis is essential.
What Happened In Perak?
According to Bernama's 1 November report, Perak KPDN director Datuk Kamalludin Ismail confirmed that complaints came from Kinta, Kuala Kangsar, Taiping, Parit Buntar and Manjung.
INVESTIGATION AT A GLANCE
|
25
Complaints
|
5
Districts
|
RON95
Fuel Involved
|
Laboratory status: Results pending as of 1 November 2026.
All 25 complaints involved RON95, with no complaints concerning RON97 or diesel recorded during the period. KPDN collected fuel samples for analysis by the Department of Chemistry Malaysia.
Earlier preliminary inspections on 6 October found no signs of water contamination in tanks examined at six petrol stations. However, those checks were not conclusive.
The 25 complaints therefore remain allegations of possible contamination, not 25 laboratory-confirmed cases.
What Should You Do If Your Car Acts Up After Refuelling?
If your vehicle starts behaving unusually after filling up, take these three steps:
Do not discard your petrol receipt. It may help establish where and when you refuelled if you later need to file a complaint or support a compensation claim.
📖 RELATED READING
KPDN Probes RON95 Contamination Complaints. Here's What Drivers Should Do
Our earlier guide explains how to document suspected fuel problems, report complaints and explore compensation options.
Where Can You Report Bad Petrol And Claim Compensation?
Motorists who suspect a fuel-quality problem can lodge a complaint through KPDN's official e-Aduan portal, attaching receipts, workshop findings and other supporting evidence.
The Petroleum Dealers' Association of Malaysia (PDAM) has also urged motorists to report suspected incidents to KPDN and the relevant oil companies rather than relying solely on social media allegations.
Compensation is not automatic. Any claim must satisfy the applicable requirements, and evidence connecting the fuel purchase to the alleged damage will be important.
What Happens Next In Perak?
KPDN's next steps will depend on the Department of Chemistry Malaysia's laboratory findings. Until those results are available, the suspected cause of the reported fuel problems remains unconfirmed.
For motorists, the takeaway is simple: watch for unusual engine behaviour, get a proper diagnosis and keep your refuelling records.
Frequently Asked Questions (FAQ)
How do I know if my RON95 petrol is contaminated?
Possible warning signs include difficulty starting, engine jerking, loss of power, rough idling and stalling. However, these symptoms can also result from mechanical faults. A workshop inspection is needed to identify the likely cause.
Has water contamination in Perak's RON95 been confirmed?
No confirmation had been announced as of 1 November 2026. KPDN was awaiting laboratory findings from the Department of Chemistry Malaysia. The 25 complaints should not be treated as 25 confirmed contamination incidents.
What should I do if my car breaks down after refuelling?
Stop somewhere safe, arrange assistance if necessary and have the vehicle inspected. Keep your petrol receipt, station details, workshop report and repair invoices. If contamination is suspected, lodge a complaint with KPDN.
Can I claim compensation for damage caused by bad petrol?
Potentially. Eligible motorists may explore claims through TTPM or the civil courts, depending on the circumstances. TTPM generally handles eligible consumer claims of up to RM50,000. Compensation is not guaranteed and supporting evidence is important.
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