Over 75,000 Old Nissan Frontiers Under Investigation for Fuel Leaks

Fuel Leaks Are Serious

Fuel leaks are one of those problems you never want to ignore. Gasoline is quick to evaporate and can catch fire if it hits something hot or electrical. Even a small leak can mess with how the engine runs, causing rough idling or even shutting the engine down when you least expect it.

That’s exactly what one 2006 Frontier owner reported in a recent petition to the National Highway Traffic Administration (NHTSA). According to the filing, the smell of raw gasoline was strong and wouldn’t go away, showing up both when starting the truck and while driving. That points to a possible leak somewhere in the fuel system.

A fuel smell by itself doesn’t always mean you’re in immediate danger, but the owner believes this is a sign of a bigger problem that could get worse if nothing is done.

What Allegedly Happened

That complaint was enough for the NHTSA’s Office of Defects Investigation (ODI) to start a formal review. The case, called DP26003, covers about 75,300 2006 Nissan Frontiers.

Specifics are scarce at this point, but the summary from the agency says the complaint isn’t just about the smell. The owner also says the truck can lose power or stall, either when starting up or out on the road.

That’s a double risk: leaking fuel means a fire is possible, and sudden stalling could lead to a crash, especially if it happens in traffic or at speed.

Right now, the investigation is just about checking if the claims hold up. So far, there’s only one reported incident linked to this petition, and there haven’t been any crashes, injuries, or fires.

Links to Previous Recalls

Part of the petitioner’s argument rests on similarities to earlier recall campaigns. Specifically, the filing references prior NHTSA recalls identified as 10V-517, 07V-435, and 10V-075.

Those earlier recalls were also about fuel system problems in other Nissan vehicles, such as leaks or parts failures. The owner says the 2006 Frontier is showing the same symptoms, which could mean the old problems never really went away.

It’s not unusual for new investigations to circle back to old recall issues, especially if there are signs the fixes didn’t cover every vehicle or batch.

For now, the agency hasn’t made any decisions. They’re still gathering info to see if this is a bigger safety problem. What happens next depends on what they find.

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