Engine & fuel system
2 documented faults — symptoms, causes and workshop fixes.
Intermittent 'mooing' noise from fuel tank area
Cause
Two way valve resonating.
Repair
- Fit modified two-way valve.
Parts4 parts
| Part | Part number | Qty |
|---|---|---|
| Valve | 17371 SF1 AO1 | 1 |
| Screw | 99SE1 05121 | 2 |
| Washer | 90552 SD4 000 | 1 |
| Bracket | 17726 SK3 G00 | 1 |
Data: Motorwise Workshop. Bulletin 3.
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 5.
Electrical & ignition
1 documented fault — symptoms, causes and workshop fixes.
Intermittent loss of central locking, electric windows, electric door mirrors, door courtesy lamps, radio speakers
Overview
- Affects
- All models, →VIN 116680.
- Remedy
- Clean & lubricate
Symptoms
Central locking may also operate by itself.
Cause
LH and RH front door harness multi-plugs loose.
Excessive amount of grease applied to connector preventing two halves of plug locking together.
Repair
- Check connectors for excessive grease and broken plastic particles.
- Clean and refit connectors.
Data: Motorwise Workshop. Bulletin 4.
Brakes
1 documented fault — symptoms, causes and workshop fixes.
Knocking from front suspension when brakes applied at slow speed
Overview
- Affects
- All models, →VIN D114550.
- Parts
- 1 part
Cause
Front radius arm bushes displaced.
Repair
- Check radius arm bushes.
- Replace any displaced bushes.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Radius arm bush | 51395 SK3 000 | 1 |
Data: Motorwise Workshop. Bulletin 1.
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 6.
Clutch & gearbox
1 documented fault — symptoms, causes and workshop fixes.
Clutch pedal spring jumps out of its retaining bushes
Symptoms
Spring becomes separated from the pedal assembly.
Cause
Poor manufacture of clutch pedal spring, causing abnormal load on spring retaining bushes allowing spring to jump out of position.
Repair
- Fit modified clutch pedal spring and bushes.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Spring | 46907 SK3 E00 | 1 |
| Bushes | 46902 SK3 000 | 2 |
Data: Motorwise Workshop. Bulletin 2.
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
- VIN
- Vehicle identification number — 17 characters, found at the base of the windscreen and on the V5C logbook
- Trouble Codes
- Standardised fault codes stored by the engine control module, read with a diagnostic tool
- LH
- Left-hand — the left side of the vehicle as you sit in it
- RH
- Right-hand — the right side of the vehicle as you sit in it
- 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
- Multi-Plugs
- Multi-pin electrical connectors on a wiring harness
- Bushes
- Rubber mountings that let a suspension or body joint move without metal-to-metal contact
Frequently asked questions
What are the common faults with the Honda Concerto 1.6?
This guide contains six workshop bulletins for the Honda Concerto 1.6. Of these, two concern the engine and fuel system and one the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Honda Concerto 1.6 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 Concerto 1.6 faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.