Engine & fuel system
12 documented faults — symptoms, causes and workshop fixes.
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 1.
Engine malfunction indicator lamp (MIL) illuminated
Overview
- Affects
- Civic (5-door), 2006: VIN →SHHFK2***6U******.
- Fault codes
P0135P1172- Remedy
- Software update
- Parts
- 3 parts
Symptoms
Possible trouble codes stored: P2A00, P0135, P1172.
Cause
Faulty heated oxygen sensor (HO2S).
Repair
- Renew heated oxygen sensor (HO2S).
- Re-program ECM with upgraded software.
Parts3 parts
| Part | Part number | Qty |
|---|---|---|
| Heated oxygen sensor (HO2S) - Accord | 36531-RBB-003 | 1 |
| Heated oxygen sensor (HO2S) - S2000 | 06180-PZX-305 | 1 |
| Heated oxygen sensor (HO2S) - Civic/CR-V | Refer to manufacturer | 1 |
Data: Motorwise Workshop. Bulletin 8.
Battery discharging
Symptoms
Engine oil level warning lamp illuminated even though engine oil level correct. Trouble code stored: P250B.
Cause
Engine control module (ECM) software fault.
Repair
- Re-program ECM with upgraded software.
Data: Motorwise Workshop. Bulletin 11.
Metallic clicking noise from RH front of vehicle when braking sharply or accelerating abruptly
Cause
Build up of debris between front subframe sections.
Repair
- Clean and grease area between front subframe sections. Remove subframe mounting bolts Slacken subframe mounting bolt Apply grease to contact surfaces between front subframe sections Tighten subframe mounting bolt Tightening torque: 106 Nm. Refit subframe mounting bolts Tightening torque: 60 Nm.
Data: Motorwise Workshop. Bulletin 19.
Engine difficult to start after re-fuelling when tank has run dry
Cause
Insufficient fuel added to empty fuel tank.
Repair
- A minimum of 7 litres of fuel must be added to an empty fuel tank.
Data: Motorwise Workshop. Bulletin 20.
Splashing noise heard from under front seats when accelerating and braking
Symptoms
Splashing noise heard from instrument panel when accelerating and braking.
Cause
Fuel movement in fuel tank. More pronounced due to fuel tank positioned under front seats.
Repair
- No action required. Normal operational characteristic.
Data: Motorwise Workshop. Bulletin 23.
Engine malfunction indicator lamp (MIL) illuminated
Engine control module (ECM) internal damage due to voltage surge. Fix: fit a new part.
Overview
- Affects
- All models with N22A2 engine code.
- Fault codes
P0670- Remedy
- Fit new part
Symptoms
Intermittent failure to start. Trouble codes stored: P0670, P16A1. Stored trouble codes cannot be erased.
Repair steps
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit new engine control module (ECM).
- Locate starter motor inhibitor switch relay behind driver's side fascia.
- Inspect production code on starter motor inhibitor switch relay.
- If production code on starter motor inhibitor switch relay is RC-5102, replace starter motor inhibitor switch relay with modified version.
Parts
| Part | Part number | Qty |
|---|---|---|
| Engine control module (ECM) | Refer to manufacturer | 1 |
| Starter motor inhibitor switch relay | 39794-S3N-003 | 1 |
Data: Motorwise Workshop. Bulletin 27.
Intermittent power loss
Overview
- Affects
- All models with N22A2 engine code: VIN →SHHFN3***7U000820. VIN →SHHFK3***7U010392.
- Fault codes
P1401- Remedy
- Fit modified part
- Parts
- 3 parts
Symptoms
Engine stalls. Hesitates when accelerating. Possible trouble code stored: P1401.
Cause
Engine control module (ECM) software fault.
Exhaust gas recirculation (EGR) valve sticking due to carbon build up.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit modified EGR valve. Re-program engine control module (ECM) with upgraded software.
Parts3 parts
| Part | Part number | Qty |
|---|---|---|
| Exhaust gas recirculation (EGR) valve | 18710-RSR-E03 | 1 |
| Gasket | 18715-RSR-E01 | 1 |
| Gasket | 18722-RBD-E01 | 1 |
Data: Motorwise Workshop. Bulletin 28.
Immobilizer permanently active after attempting to jump starting vehicle
Cause
Transponder key was inserted in ignition switch when connecting jump start battery, which erases transponder key coding.
Repair
- Re-program transponder key.
Data: Motorwise Workshop. Bulletin 35.
Fuel filler flap will not open
Cause
Insufficient spring tension on fuel filler flap.
Repair
- Fit additional spring to fuel filler flap.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Spring | 74480-SMG-ZS10 | 1 |
Data: Motorwise Workshop. Bulletin 36.
Engine malfunction indicator lamp (MIL) illuminated. Trouble code stored: P2002
Overview
- Affects
- All models with N22A2 engine code.
- Fault codes
P2002- Remedy
- Software update
Cause
Engine control module (ECM) software fault.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- Re-program engine control module (ECM) with upgraded software.
Data: Motorwise Workshop. Bulletin 37.
Lack of power
Symptoms
Poor engine performance under load. Possible trouble code stored in engine control module (ECM) fault memory: P2199.
Cause
Reduced air flow to turbocharger (TC) intercooler caused by dirt build up.
Repair
- Check and clean turbocharger (TC) intercooler.
Data: Motorwise Workshop. Bulletin 38.
Electrical & ignition
5 documented faults — symptoms, causes and workshop fixes.
Battery discharging
Cause
Electric window wiring harness (pink wire) trapped by overhead console.
Electric window wiring harness incorrectly routed.
Repair
- Repair and re-route wiring harness.
Data: Motorwise Workshop. Bulletin 13.
Interior lamp permanently illuminated
Overview
- Affects
- All models.
Symptoms
Battery discharging.
Cause
Retaining clip not securing interior lamp wiring harness sufficiently.
Interior lamp wiring harness trapped by lamp assembly retaining screw.
Repair
- Repair interior lamp wiring harness.
- Ensure interior lamp wiring harness held in retaining clip.
Data: Motorwise Workshop. Bulletin 14.
Battery discharging
Overview
- Affects
- All models with electric sun blind, 2006-07: VIN →SHHFK1***7U018227. VIN →SHHFK2***7U053255. VIN →SHHFN1***7U009553. VIN →SHHFN2***7U007250. VIN →SHHFK3***7U033515. VIN →SHHFN3***7U006521.
Cause
Low resistance in electric sun blind motor.
Repair
- Check resistance of electric sun blind motor. Specified resistance: 3 MΩ.
- Renew electric sun blind motor if necessary.
Data: Motorwise Workshop. Bulletin 18.
Retractable door mirrors inoperative or slow to fold in
Cause
Electric mirror thermal cut-off switch faulty.
Repair
- Fit modified electric mirror thermal cut-off switch to door mirror.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Electric mirror thermal cut-off switch | 76209-SMG-E01 | As required |
Data: Motorwise Workshop. Bulletin 26.
Instrument panel illumination illuminates when ignition switched OFF
Symptoms
Instrument panel not working. Trouble code stored: U0155.
Cause
Instrument panel faulty.
Repair
- Fit new instrument panel.
Data: Motorwise Workshop. Bulletin 33.
Brakes
3 documented faults — symptoms, causes and workshop fixes.
Front brake judder
Overview
- Affects
- All models, 2005-08.
Cause
Excessive front brake disc runout.
Repair
- Check front brake disc runout is less than 0.04 mm. Reface or replace front brake discs as necessary.
- Check front brake disc thickness variation is less than 0.015 mm. Reface or replace front brake discs as necessary.
Data: Motorwise Workshop. Bulletin 4.
ABS warning lamp, brake system warning lamp and handbrake ON warning lamp illuminate when starting engine
Overview
- Affects
- All models.
Cause
Possible trouble codes stored.
Battery voltage low when starting engine.
Repair
- Check for trouble codes. Rectify faults as necessary.
- Charge or replace battery.
Data: Motorwise Workshop. Bulletin 5.
Trouble code stored: U0122
Poor earth connection for ABS control module. Fix: adjust and tighten.
Overview
- Affects
- Civic, MY 2006-07.
- Fault codes
U0122- Remedy
- Adjust & tighten
Symptoms
Possible CAN data bus trouble codes stored.
Repair steps
- Locate and check condition of earth point: Civic - behind front bumper. CR-V - under ABS control module.
- If required: Clean/tighten earth point.
- Check for trouble codes. Rectify faults as necessary.
Data: Motorwise Workshop. Bulletin 7.
Suspension & drivetrain
2 documented faults — symptoms, causes and workshop fixes.
Noise from rear suspension over uneven surfaces or speed humps
Cause
Rear suspension spring not located correctly against end stop.
Repair
- Check rear suspension spring positioned correctly. Adjust if necessary.
Data: Motorwise Workshop. Bulletin 24.
Knocking/squeaking noise from rear suspension when moving from stationary following overnight standing
Cause
Excessive friction between rear shock absorber damper rod and shock absorber damper rod seal.
Repair
- Lubricate shock absorber damper rod with grease. Use special tool: Grease application tool 52610-SMG-ZS00.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Grease | 52611-SMG-ZS00 | 1 |
Data: Motorwise Workshop. Bulletin 31.
Steering
2 documented faults — symptoms, causes and workshop fixes.
Electronic stability program (ESP) warning lamp flashes during normal driving
Overview
- Affects
- All models, 2006-07.
- Remedy
- Software update
Cause
Steering column shaft splined joint misaligned.
Yaw rate sensor incorrectly positioned.
Repair steps
- Electronic stability program (ESP) warning lamp flashes during normal driving.
- Check steering column shaft splined joint for correct alignment. Ensure alignment of reference marks Realign if necessary.
- Check yaw rate sensor is positioned correctly. Ensure terminal side of yaw rate sensor faces rear of vehicle.
Data: Motorwise Workshop. Bulletin 6.
Electric power steering (EPS) warning lamp illuminated
Symptoms
Electric power steering (EPS) inoperative.
Cause
Poor connection between EPS pump motor and harness multi-plug.
Poor connection between engine control module (ECM) and harness multi-plug.
Repair
- Check harness multi-plugs to EPS pump motor and ECM. Ensure positive connection.
Data: Motorwise Workshop. Bulletin 15.
Clutch & gearbox
7 documented faults — symptoms, causes and workshop fixes.
ASM transmission slow to shift out of 2nd or 3rd gear
Cause
Incorrect tyre pressures or mismatched tyres, resulting in incorrect vehicle speed data.
Repair
- Check and adjust tyre pressures. Replace tyres as necessary.
Data: Motorwise Workshop. Bulletin 2.
Squeaking/creaking noise when clutch pedal depressed or released
Cause
Cruise control clutch pedal switch contaminated with dirt.
Repair
- Clean and lubricate contact point between cruise control clutch pedal switch and clutch pedal.
Data: Motorwise Workshop. Bulletin 10.
Engine runs erratically
Symptoms
Vibrations from engine/transmission.
Cause
Dual mass flywheel faulty.
Repair
- Check dual mass flywheel. Replace as necessary.
Data: Motorwise Workshop. Bulletin 16.
Squeaking/creaking noise when clutch pedal depressed or released
Clutch master cylinder and clutch pedal misaligned. Fix: adjust and tighten.
Overview
- Affects
- All models.
- Remedy
- Adjust & tighten
Repair steps
- Slacken clutch master cylinder retaining bolts.
- Fully depress clutch pedal and hold down.
- Tighten clutch master cylinder retaining bolts. Tightening torque: 22 Nm.
- Release clutch pedal.
Data: Motorwise Workshop. Bulletin 17.
Poor engine performance under load
Incorrect adjustment of clutch pedal stop. Fix: adjust and tighten.
Overview
- Affects
- All models with 2.2D i-CTDi engine.
- Remedy
- Adjust & tighten
Symptoms
Clutch slip.
Repair steps
- Check clutch pedal for correct heightD: Slacken clutch pedal position (CPP) switch 1A. Adjust clutch master cylinder pushrod to obtain 162 mm clutch pedal heightC.
- Ensure CPP switch 1 correctly adjustedA: Ensure clutch pedal is fully released. Turn CPP switch 1 until plunger is touching clutch pedalA. Add additional ¾ to 1 turn to CPP switch 1 and tighten retaining nut.
- ON/OFF adjustment of CPP switch 2B: Loosen retaining nut of CPP switch 2. Adjust CPP switch 2 to correct ON/OFF operation at a clutch pedal height of 79 mmE. Tighten retaining nut.
Data: Motorwise Workshop. Bulletin 25.
Abnormal noise from clutch master cylinder when clutch pedal depressed or released
Cause
Insufficient lubrication of clutch master cylinder at manufacture.
Repair
- Fit modified clutch master cylinder.
Parts4 parts
| Part | Part number | Qty |
|---|---|---|
| Clutch master cylinder - Accord | 46920-S7A-A03 | 1 |
| Clutch master cylinder - Civic | 46920-SMG-033 | 1 |
| Clutch master cylinder - CR-V (LHD) | 46920-S7A-A03 | 1 |
| Clutch master cylinder- CR-V (RHD) | 46920-S9A-J05 | 1 |
Data: Motorwise Workshop. Bulletin 29.
Battery discharged
Symptoms
Irregular operation of AC compressor clutch.
Cause
AC compressor clutch relay faulty. Note: This fault is only associated with relays made by Omron.
Repair
- Replace AC compressor clutch relay.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| AC compressor clutch relay | 39794-SDA-A05 | 1 |
Data: Motorwise Workshop. Bulletin 34.
Air conditioning & heating
3 documented faults — symptoms, causes and workshop fixes.
Erratic engine running
Symptoms
Engine malfunction indicator lamp (MIL) illuminated. Trouble code stored: P2004.
Cause
Intake manifold air control actuator faulty.
Repair
- Renew intake manifold air control actuator.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Intake manifold air control actuator - Accord/Civic | 36190-RSR-E01 | 1 |
| Intake manifold air control actuator - CR-V | 36190-R06-E01 | 1 |
Data: Motorwise Workshop. Bulletin 9.
Battery discharging
Cause
High current draw of auxiliary heater.
Engine control module (ECM) software fault.
Repair
- Re-program ECM with upgraded software.
Data: Motorwise Workshop. Bulletin 12.
Engine malfunction indicator lamp (MIL) illuminated
Symptoms
Trouble code stored in engine control module (ECM) fault memory: P2004.
Cause
Intermittent internal vacuum leak in intake manifold air control solenoid.
Repair
- Fit new intake manifold air control solenoid.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Intake manifold air control solenoid | 36190-RBD-E01 | 1 |
Data: Motorwise Workshop. Bulletin 30.
Body & trim
2 documented faults — symptoms, causes and workshop fixes.
Retractable door mirror not working correctly
Overview
- Affects
- All models, 2006-07.
Cause
Incorrect synchronization of retractable door mirror motor mechanism.
Repair
- Re-synchronize retractable door mirror by operating 3-4 times.
- If synchronization unsuccessful, renew door mirror.
Data: Motorwise Workshop. Bulletin 21.
Front doors difficult to open from outside
Overview
- Affects
- All models.
Symptoms
Front doors will not open from outside.
Cause
Front door misaligned.
Front door handle release cable incorrectly adjusted.
Front door lock mechanism faulty.
Repair steps
- Ensure front door is correctly aligned.
- Ensure front door handle release cable is correctly adjusted.
- If front door handle release cable is correctly adjusted: Renew front door lock mechanism.
Data: Motorwise Workshop. Bulletin 22.
Wipers & visibility
2 documented faults — symptoms, causes and workshop fixes.
Creaking noise from windscreen wipers
Overview
- Affects
- All 3-door models, 2007-08: VIN →SHHFN1***8U003250. VIN →SHHFN2***8U002626. VIN →SHHFN3***8U001630.All 5-door models, 2006-08: VIN →SHHFK1***8U005560. VIN →SHHFK2***8U013393. VIN →SHHFK3***8U008410.
- Remedy
- Fit new part
Cause
Windscreen wiper mechanism spindles corroded because of insufficient lubrication included at manufacture.
Worn windscreen wiper mechanism spindle seals because of insufficient lubrication included at manufacture.
Repair steps
- Clean corrosion from windscreen wiper mechanism spindles.
- Grease windscreen wiper mechanism spindles.
- Fit new windscreen wiper mechanism spindle seals.
Parts
| Part | Part number | Qty |
|---|---|---|
| Windscreen wiper mechanism spindle seal | 76561-SNA-A01 | 2 |
Data: Motorwise Workshop. Bulletin 3.
Pop-up headlamp washers not retracting
Cause
Dirt ingress to pop-up headlamp washers.
Repair
- Fit modified pop-up headlamp washers.
Parts6 parts
| Part | Part number | Qty |
|---|---|---|
| Headlamp washer (LH) - Accord | 76885-SEA-S03 | 1 |
| Headlamp washer (RH) - Accord | 76880-SEA-S03 | 1 |
| Headlamp washer (LH) - Civic | 76885-SNB-S02 | 1 |
| Headlamp washer (RH) - Civic | 76880-SNB-S02 | 1 |
| Headlamp washer (LH) - Legend | 76885-SJA-S02 | 1 |
| Headlamp washer (RH) - Legend | 76880-SJA-S02 | 1 |
Data: Motorwise Workshop. Bulletin 32.
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
- Nm
- Newton-metres — the standard unit for how tightly a bolt is done up
- ABS
- Anti-lock braking system — stops the wheels locking under hard braking
- EGR
- Exhaust gas recirculation — feeds some exhaust gas back into the intake to cut emissions
- Trouble Codes
- Standardised fault codes stored by the engine control module, read with a diagnostic tool
- AC
- Air conditioning — the system that cools the cabin
- ESP
- Electronic stability programme — brakes individual wheels to stop a skid
- TC
- Turbocharger — the exhaust-driven compressor that boosts engine power
- Actuator
- A motor or solenoid that moves a mechanical part on command
- CAN Data Bus
- The car's internal network that lets control modules talk to each other
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Disc Runout
- How much a brake disc wobbles; too much causes vibration or squeal
- EGR Valve
- The valve that meters exhaust gas back into the intake
- Fascia
- The dashboard and the surrounding interior panel
- Fault Memory
- The list of stored trouble codes in a control module
- Inhibitor Switch
- The gearbox switch that only allows starting in park or neutral
- Instrument Panel
- The dashboard display that shows warning lights and messages
- Intake Manifold
- The housing that distributes air into the cylinders
- Intercooler
- A radiator that cools the air coming out of the turbocharger before it enters the engine
- Multi-Plug
- A multi-pin electrical connector on a wiring harness
- Multi-Plugs
- Multi-pin electrical connectors on a wiring harness
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Relay
- An electrically operated switch
- Solenoid
- An electrically operated valve or actuator
- Trouble Code
- A standardised fault code stored by a control module, read with a diagnostic tool
- Wiring Harness
- The bundled cables that carry power and signals around the vehicle
- Auxiliary Heater
- A separate heater (often fuel-fired) that warms the cabin or engine independently of the main heater
- Earth
- An electrical ground connection back to the battery or body
- Recirculation
- Air-conditioning mode that recirculates cabin air instead of drawing in outside air
Frequently asked questions
What are the common faults with the Honda Civic 2.2 i-CTDi?
This guide contains 38 workshop bulletins for the Honda Civic 2.2 i-CTDi. Of these, 12 concern the engine and fuel system and seven the clutch and gearbox. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Honda Civic 2.2 i-CTDi 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 2.2 i-CTDi faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.