Code result

P2192

System Too Rich at Higher Load

Moderate severity

What it means

Bank 1 fuel trim hits the rich limit only at higher load. Often excessive fuel pressure, a stuck-closed MAF reading low, or coolant temperature signal stuck cold causing over-fuelling.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Fuel pressure too high

    high

    One of the most commonly reported causes for this code — check this first.

  • MAF reads low under load

    medium

    A plausible cause — test and verify before replacing parts.

  • Coolant temperature sensor stuck cold

    medium

    A plausible cause — test and verify before replacing parts.

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