Jerking or juddering when accelerating on Mazda: causes by model
In 8 models from Mazda there are 3 documented faults that cause this symptom (jerking). The most important: carbon on the injectors, EGR valve and intake, dirty EGR valve and EGR cooler leaks and misfires from spark plugs and ignition coils in petrol MZR engines.
Documented faults, from most to least important
Severity × frequency. Below each one, the Mazda models it appears in.
In 3 I, 3 II, 5 I, 6 I, 6 II and CX-7
In 3 I
In 2 DE, 3 I, 3 II, 5 I, 6 I and 6 II and 1 more model
By Mazda model
Open yours to see only the faults that affect it, by engine and by year.
Engines and gearboxes involved
Frequently asked questions
Jerking in a Mazda: what could it be?
In 8 models from Mazda there are 3 documented faults that cause this symptom (jerking). The most important: carbon on the injectors, EGR valve and intake, dirty EGR valve and EGR cooler leaks and misfires from spark plugs and ignition coils in petrol MZR engines. Each fault has its own page with the affected years and versions, the cause and how to check for it.
Which Mazda models have the most faults with this symptom?
Mazda 3 I (3 faults), Mazda 6 I (2 faults), Mazda 5 I (2 faults) and Mazda 6 II (2 faults).
Which Mazda engines cause it?
1.6 HDi (1 fault), MZR gasolina (1 fault) and MZR-CD (1 fault).