Quick answer
A car should not normally feel slower after routine servicing. If it does, something may need rechecking.
If the change happened immediately after collection, contact the garage promptly.
Is it serious?
Sometimes minor
Loose hose or sensor issue.
Sometimes urgent
Misfire or warning light present.
Noisy engine?
Stop and inspect.
Turbo diesel?
Check boost hoses.
Petrol hesitation?
Ignition issue possible.
New symptoms
Worth reporting quickly.
Common causes after a service
- 1Air filter housing not sealed correctly
- 2Sensor connector loose
- 3Vacuum hose disturbed
- 4Old fault now more noticeable
- 5Warning code requiring diagnostics
What to check first
Look for warning lights, unusual noises, rough idle and poor acceleration. Note exactly when the sluggishness happens.
Returning to the servicing garage is often the fastest route.