Selected vehicle/2018 Honda Civic

Common Problems

See the model-year issues that show up most often, with live complaints when NHTSA returns them.

Search by symptom

People describe what they feel first — rough idle, shudder, stalling. We translate those symptoms into model-specific problem patterns and surface live complaints whenever NHTSA has them.

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Seeded trends

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Known failure modes

Warm idle shake with lean trims

warn
$120-$650

Symptoms: idle shakes when warm • fuel trims high • occasional CEL

Likely fixes: Replace cracked intake plumbing. • Clean the MAF and address carbon buildup. • Install fresh plugs if the service interval is overdue.

A/C blows warm at stoplights

info
$80-$500

Symptoms: A/C weak at idle • fan speed high • cooling improves while driving

Likely fixes: Repair the fan circuit • Service the refrigerant system