Engine & fuel system
2 documented faults — symptoms, causes and workshop fixes.
Abnormal noise from engine
Overview
- Affects
- All models.
- Remedy
- Fit modified part
- Parts
- 2 parts
Cause
Timing belt centre covers warped due to heat.
Covers touching the timing belt.
Repair
- Remove timing belt covers and check for scratch marks inside the covers.
- Fit modified timing belt covers.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Front cover | 11820 PR7 A01 | 1 |
| Rear cover | 11830 PR7 A01 | 1 |
Data: Motorwise Workshop. Bulletin 1.
Poor engine performance
Symptoms
Engine malfunction indicator lamp (MIL) illuminated. Trouble codes stored in engine control module (ECM) fault memory: 22-4.
Cause
Engine oil level incorrect.
Oil supply pressure to variable valve timing (VVT) system too low.
Repair
- Top up engine oil to correct level.
Data: Motorwise Workshop. Bulletin 2.
Suspension & drivetrain
1 documented fault — symptoms, causes and workshop fixes.
Knocking noise from front wheel when pulling away
Overview
- Affects
- All models, 1982-05.
- Remedy
- Clean & lubricate
Cause
Contact between driveshaft and front wheel bearing.
Repair
- Clean driveshaft and wheel bearing contact surfaces.
- Apply grease to contact surfaces of driveshaft and wheel bearing.
Data: Motorwise Workshop. Bulletin 3.
Glossary
Technical terms used in this guide.
- MIL
- Malfunction indicator lamp — the engine warning light on the dashboard
- ECM
- Engine control module — the electronic unit that manages the engine
- Trouble Codes
- Standardised fault codes stored by the engine control module, read with a diagnostic tool
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Driveshaft
- The shaft that takes drive from the differential out to a wheel
- Fault Memory
- The list of stored trouble codes in a control module
Frequently asked questions
What are the common faults with the Honda NSX 3.0?
This guide contains three workshop bulletins for the Honda NSX 3.0. Of these, two concern the engine and fuel system and one the suspension and drivetrain. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Honda NSX 3.0 have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Honda NSX 3.0 faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.