Engine & fuel system
2 documented faults — symptoms, causes and workshop fixes.
Stop-start system not working and low battery voltage warning symbol displayed in instrument panel
Overview
- Affects
- All models with petrol engines and stop-start system.
- Remedy
- Software update
Cause
Low battery voltage is disabling stop-start system.
Repair
- Charge or replace battery. Ensure battery to manufacturer's specifications.
- Re-program engine control module (ECM) with upgraded software.
Data: Motorwise Workshop. Bulletin 1.
Squeaking/creaking noise from engine bay when driving over rough roads especially when ambient air temperature is high
Cause
Excessive friction in RH upper engine mounting.
Repair
- Renew RH upper engine mounting. Ensure all safety related nuts, bolts and fastenings are replaced.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Engine mounting | 50820-TR7-305 | 1 |
Data: Motorwise Workshop. Bulletin 2.
Body & trim
2 documented faults — symptoms, causes and workshop fixes.
Seat belt slow to retract
Cause
Seat belt upper mounting contaminated with dirt or debris.
Repair
- Thoroughly clean seat belt upper mounting.
Data: Motorwise Workshop. Bulletin 3.
Creaking/rattling noise from sunroof whilst driving
Insufficient lubrication of sunroof seals. Fix: clean and lubricate.
Overview
- Affects
- All models with slide/tilt sunroof.
- Remedy
- Clean & lubricate
Repair steps
- Thoroughly clean all sunroof seals.
- Apply lubricant to sunroof seal Caution: Only use specified lubricant.
- Apply lubricant to sunroof mounting frame seal Caution: Only use specified lubricant.
- Operate sunroof several times.
Parts
| Part | Part number | Qty |
|---|---|---|
| Lubricant | 70000-TGL-ZS00 | 1 |
Data: Motorwise Workshop. Bulletin 4.
Glossary
Technical terms used in this guide.
- ECM
- Engine control module — the electronic unit that manages the engine
- 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)
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Stop-Start
- The system that cuts the engine at idle and restarts it when you pull away
Frequently asked questions
What are the common faults with the Honda Civic 1.8 i-VTEC?
This guide contains four workshop bulletins for the Honda Civic 1.8 i-VTEC. Of these, two concern the engine and fuel system and two the body and trim. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Honda Civic 1.8 i-VTEC 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 Civic 1.8 i-VTEC faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.