Code result
P0434
Heated Catalyst Temperature Below Threshold
Moderate severity
What it means
The heated catalyst on bank 2 has not reached its calibrated light-off temperature within the expected time after engine start. Heater element weak or insufficient supply.
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
Heater element ageing
highOne of the most commonly reported causes for this code — check this first.
Related help
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