MotorSector Streatham · Streatham, SW16 5LU
Engine diagnostics and mechanical repairs
Engine symptoms can have several causes, so accurate testing matters before parts are replaced. MotorSector investigates leaks, noises, warning lights, overheating, misfires and performance problems for many makes and models.

Inspected, estimated and approved before work begins at our Streatham workshop.
Common reasons to book
- Persistent engine-management warning light
- Knocking, tapping, rattling or grinding noises
- Blue, white or black exhaust smoke
- Overheating or repeated coolant loss
- Oil pressure warning or significant oil consumption
- Misfire, poor acceleration or difficult starting
What MotorSector can help with
- Compression and mechanical-condition testing
- Oil and coolant leak diagnosis
- Misfire and loss-of-power investigation
- Cylinder-head and gasket assessment
- Timing-system inspection and repair
- Sensor, intake, fuel and ignition fault diagnosis
- Repair or replacement options where appropriate
How the process works
- 01
Vehicle is booked
- 02
Vehicle is inspected or tested
- 03
Findings are documented
- 04
Estimate is supplied
- 05
Customer approves work
- 06
Repair is completed
- 07
Final paperwork is provided
Why choose MotorSector
- AA Approved Garage
- IMI-qualified technical capability
- Advanced diagnostic equipment
- Video inspections where appropriate
- Clear approval process
- Quality parts
- Parts and labour guarantee where applicable
- Streatham workshop
Relevant trust marks
Only marks that apply to this service are shown. Click a logo to read a short explanation.
AA Approved Garage
MotorSector is an AA Approved Garage. This accreditation reflects recognised workshop standards, clear estimates and customer-care expectations for MOT, servicing and repairs from our Streatham premises.
Read moreFrequently asked questions
Ready to book?
Book online through our workshop booking system, request a quote, or call the Streatham team.
