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NHTSA investigationPE02071

Investigation PE02071: 1996–2003 Ford Crown Victoria

Status
CLOSED
Opened
Oct 1, 2002
Closed
Jan 27, 2003
Model years
1996–2003

Subject

Cng tank exploding in a fire

Component: Fuel system, gasoline › Storage › Tank assembly

Summary

An explosion of a compressed natural gas (cng) tank should not be able to occur, as the tank is fitted with a pressure relief device (prd). This prd should release the cng in the tank, prior to the pressure reaching the tank burst pressure.the prd did not release in the subject wisconsin police cruiser explosion.nhtsa has recovered the prd valve from the tank that exploded and testing will be necessary to establish why this tank safety valve did not release in the very high temperature fire that occurred in the police cruiser.there is only the single known event, but due to the catastropic force of such an explosion and the potential for injury and loss of life, this investigation is being upgraded.

An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.

Model years covered

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.