Rover 214 & 414 Service and Repair Manual - Rover club

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Chapter 4 Part C Fuel and exhaust systems - multi-point fuel injection engines Contents Air cleaner assembly - removal and refitting . . . . . . . . . . . . . . . . . . . 3 Air cleaner filter element - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Accelerator cable - removal, refitting and adjustment . . . . . . . . . . . 10 Accelerator pedal - removal and refitting . . . . . . . . . . . . . . . . . . . . . 11 Exhaust manifold - removal and refitting . . . . . . . . . . . . . . . . . . . . . 17 Exhaust system - inspection, removal and refitting . . . . . . . . . . . . . 18 Fuel gauge sender unit - removal and refitting . . . . . . . . . . . . . . . . . 8 Fuel injection system components - removal and refitting . . . . . . . . 14 Fuel injection system components - testing . . . . . . . . . . . . . . . . . . . 13 Degrees of difficulty Easy, suitable for novice with little experience 1 Specifications Fairly easy, suitable for beginner with some experience Fairly difficult, suitable for competent DIY mechanic 1689 Rover 214 & 414 Updated Version 09/97 4C•1 Fuel pump - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Fuel system - depressurisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Fuel system - inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Fuel system - pressure check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Fuel tank - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 General information and precautions . . . . . . . . . . . . . . . . . . . . . . . . 1 Inlet manifold pre-heater - operation, removal and refitting . . . . . . . 15 Inlet manifold - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . 16 Throttle housing - removal and refitting . . . . . . . . . . . . . . . . . . . . . . 12 Difficult, suitable for experienced DIY mechanic System Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MEMS-MPi system data Rover/Motorola Modular Engine Management System, using ECUcontrolled multi-point injection (MEMS-MPi) and speed/density method of airflow measurement Fuel pump type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electric, immersed in fuel tank Fuel pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MEMS - ECU assembly: 3.0 ± 0.2 bar constant Alloy inlet manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MNE 101470 Plastic inlet manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MKC 101730 Injectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Throttle potentiometer voltage: MJY 10015 Throttle closed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 1 volt Throttle open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 to 5 volt Idle speed - nominal value given for reference purposes only . . . . . . . . 850 ± 50 rpm CO level at idle speed — engine at normal operating temperature . . . . Recommended fuel 0.5 % Minimum octane rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 RON unleaded (ie: unleaded Premium) only Torque wrench settings Fuel system Nm lbf ft ECU mounting bracket nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Vent valve-to-fuel tank nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Vent pipe-to-fuel tank nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Fuel pump-to-fuel tank nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Fuel filter pressure release union . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 28 Fuel feed hose union-to-body bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Fuel feed hose bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7 Fuel rail bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7 Fuel rail support bracket bolts - alloy manifold . . . . . . . . . . . . . . . . . . . 10 7 Intake air temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 Coolant temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 11 Crankshaft sensor bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 2 3 4 Very difficult, suitable for expert DIY or professional 5 4C
4C•2 Fuel and exhaust systems - multi-point fuel injection engines Torque wrench settings Fuel system (continued) Nm lbf ft Throttle housing-to-alloy manifold nuts . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Throttle housing-to-plastic manifold bolts . . . . . . . . . . . . . . . . . . . . . . . 4 3 Throttle potentiometer screws - plastic manifold . . . . . . . . . . . . . . . . . . 1.5 1.1 Stepper motor screws - plastic manifold . . . . . . . . . . . . . . . . . . . . . . . . 1.5 1.1 Pressure regulator-to-fuel rail bolts - alloy manifold . . . . . . . . . . . . . . . 10 8 Pressure release bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 9 Inlet manifold mounting nuts and bolts . . . . . . . . . . . . . . . . . . . . . . . . . Exhaust system 25 18 Oxygen (lambda) sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 40 Exhaust manifold retaining nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 33 Exhaust manifold shroud screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exhaust system flange nuts: 6 4 Manifold-to-front pipe joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 37 All other joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 33 Exhaust front pipe mounting bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 11 1 General information and precautions General information The fuel system comprises a fuel tank which is mounted under the rear of the vehicle with an electric fuel pump immersed in it, a fuel filter, fuel feed and return lines which service four fuel injectors interlinked by a rail, as well as the Electronic Control Unit (ECU) and the various sensors, electrical components and related wiring which make up the system as a whole (see illustration). Inlet manifolds of either alloy or plastic construction are fitted. The air cleaner assembly contains a disposable paper filter element and is mounted on the side of the battery tray. To reduce emissions and to improve driveability when the engine is cold, the inlet manifold is heated by the coolant. Mixture enrichment for cold starting is a preprogrammed function of the system. The ECU fully controls both the ignition system and the fuel injection system, integrating the two in a complete engine management system (MEMS-MPi). System operation is similar to that described for the single-point fuel injection system (MEMS-SPi) in Part B of this Chapter, any differences being made clear in the following Sections. Refer to Chapter 5 for information on the ignition side of the system and to Chapter 12 for details of the system relays. The exhaust system consists of four main components which are the front downpipe, the catalytic converter, the intermediate pipe and middle silencer box, and the tailpipe and main silencer box. The system is suspended throughout its entire length by rubber mountings. Precautions Fuel injection system Residual pressure will remain in the fuel lines long after the vehicle was last used, 2 Fuel cut-out inertia switch 3 Fuel pump 4 Throttle potentiometer 5 Fuel pressure regulator 6 Injectors 7 Stepper motor 8 Intake air temperature sensor 1.0 Fuel and ignition system components - MEMS-MPi 9 Coolant temperature sensor 10 Distributor 11 Crankshaft sensor 12 Diagnostic connector 13 Engine management ECU 14 Main relay 1689 Rover 214 & 414 Updated Version 09/97 15 Fuel pump relay 16 Lambda sensor relay 17 Starter relay 18 Ignition HT coil 19 Purge valve 20 Lambda sensor 21 Charcoal canister 22 Fuel temperature sensor
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Rover 214 & 414 Service and Repair
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REPAIRS AND OVERHAUL Engine and Ass
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Working on your car can be dangerou
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Jump starting will get you out of t
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Puddles on the garage floor or driv
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Engine oil level Before you start 4
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Power steering fluid level Before y
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Electrical system 4 Check all exter
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Chapter 2 Part A Engine in-car repa
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Valves Seat angle: Inlet . . . . .
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The crankshaft runs in five main be
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5.14 Cylinder head cover bolt tight
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8.6 Crankshaft pulley mark aligned
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1 Timing belt upper righthand (oute
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9.39 Ensure timing belt tensioner s
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11.9 Secure partly-removed timing b
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12 Valve clearances - general infor
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tightens each bolt through half a t
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16.12 Oil pump outer rotor outside
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front of the vehicle and support it
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2B•2 Engine removal and general o
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2B•10 Engine removal and general
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Page 55 and 56: 2B•16 Engine removal and general
Page 57 and 58: Chapter 3 Cooling, heating and vent
Page 59 and 60: 4 Cooling system hoses - renewal 2
Page 61 and 62: 6.7 Testing the thermostat Ensure t
Page 63 and 64: 9.10 Inlet manifold pre-heater temp
Page 65 and 66: 10.5b . . . and disengage duct from
Page 67 and 68: 10.20d Remove fan retaining nut . .
Page 69 and 70: 17 Working from inside the vehicle,
Page 71 and 72: 3•2 Cooling, heating and ventilat
Page 79 and 80: 3•10 Cooling, heating and ventila
Page 81 and 82: 3•12 Cooling, heating and ventila
Page 83 and 84: Chapter 4 Part A Fuel and exhaust s
Page 85 and 86: 3.4 Slacken clamp to disconnect int
Page 87 and 88: 8.3 Removing cover retaining bolt (
Page 89 and 90: port with a wad of clean cloth to p
Page 93 and 94: 18.1b Exhaust system components - w
Page 95 and 96: Chapter 4 Part B Fuel and exhaust s
Page 97 and 98: eturn to the tank swirl pot, where
Page 99 and 100: 6.7 Slackening pressure release bol
Page 101 and 102: 15.1 Disconnecting fuel feed and re
Page 103 and 104: 15.26 Absolute pressure sensor fuel
Page 105: 18 Exhaust manifold - removal and r
Page 109 and 110: 4C•4 Fuel and exhaust systems - m
Page 115 and 116: Chapter 4 Part D Emission control s
Page 117 and 118: 3.8 Disconnecting multiplug from pu
Page 119 and 120: Chapter 3 Cooling, heating and vent
Page 121 and 122: 4 Cooling system hoses - renewal 2
Page 123 and 124: 6.7 Testing the thermostat Ensure t
Page 127 and 128: 10.5b . . . and disengage duct from
Page 129 and 130: 10.20d Remove fan retaining nut . .
Page 131 and 132: 17 Working from inside the vehicle,
Page 133 and 134: 5A•2 Ignition system - carburetto
Page 139 and 140: 5B•2 Ignition system - fuel injec
Page 141 and 142: Chapter 5 Part C Starting and charg
Page 143 and 144: 4.4 Battery clamp bolt 4 Battery -
Page 145 and 146: 9 Starting system - testing 2 1 If
Page 147 and 148: 11.14 Unscrew nut and disconnect st
Page 149 and 150: 9•2 Braking system Rear brakes No
Page 151 and 152: 9•4 Braking system shut down and
Page 153 and 154: 9•6 Braking system 6.21 Using a o
Page 155 and 156: 9•8 Braking system piston in as f
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9•10 Braking system the caliper p
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9•12 Braking system 1 Brake drum
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9•14 Braking system 18.3 Wheel cy
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9•16 Braking system 15 Inspect al
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9•18 Braking system 1 Servo unit
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10•2 Suspension and steering Whee
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10•4 Suspension and steering opti
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10•6 Suspension and steering 5.4
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10•8 Suspension and steering 9.4
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10•10 Suspension and steering 11.
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10•12 Suspension and steering 8 R
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10•16 Suspension and steering 1 H
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Chapter 12 Body electrical systems
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1 General information and precautio
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3.10a Unclip plastic cover . . . Un
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4.22 Driver’s side window switch
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5.20b Rear cluster tail lamp bulb i
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16 Refitting is a reversal of the r
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13.2a Carefully prise out clock mou
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16.7 Disconnect Lucar connection an
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21.5 Removing tailgate washer jet -
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24.3a Use DIN tools to release reta
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Key to wiring diagrams (continued)
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1689 Rover 214 & 414 Updated Versio
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