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Fiat Seicento

The rear-of-the-range city car that followed the Cinquecento, and one of the last very simple cars in wide use — which is exactly why it appears here. The 1.1 FIRE engine with single-point injection sits right at the boundary of OBD-II: the earliest cars are not compliant and need Fiat's own three-pin diagnostic connector, while cars from 2000 read normally on the standard port. Its recurring faults are correspondingly basic and mostly electrical — the ignition switch and its contacts, earth straps that corrode where the engine grounds to the body, and a throttle-position sensor that wears a flat spot and produces idle-control faults. The Sporting's 1.1 has a different management calibration but the same hardware.

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Fiat Seicento, front view
PlasticBodyPanels · CC BY 4.0 (external)

Generations

  • First generation (187) 1998–2010

    1.1 FIRE with single-point injection; pre-2000 cars need Fiat's own connector rather than the standard OBD-II port.

    Body styles
    Hatchback
    Platform
    Fiat 187
    Engines
    • 0.9 petrol — petrol
    • 1.1 FIRE — petrol
    • 1.1 Sporting — FIRE · petrol
    Transmissions
    5-speed manual · 5-speed automated manual
    Drivetrain
    Front-wheel drive

Information, not instruction

CarGeek is a reference, not a service manual. Its pages are written from public sources and from what other people have found, never from a manufacturer's own service information, so they can be wrong or incomplete for your particular vehicle. Some of what they describe carries real risk: high voltage, fuel under pressure, stored energy, hot and moving parts.

Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.

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