Home/Volvo/XC70/Volvo XC70 I рестайлинг (2004-2007)/Repair manual/Ignition and Control Systems - Symptom Related Diagnostic Procedures (Xc)/Checking engine speed (RPM) sensor interference

Contents

Section: Ignition and Control Systems - Symptom Related Diagnostic Procedures (Xc)

Preparations

Connecting

Checking for air leakage in the intake system

Replacing the camshaft seals / variable valve timing (VVT) unit

Removing the camshaft seal

Removing the timing gear pulley with the variable valve timing (VVT) unit

Secure the crankshaft position

Reinstall

Checking work

Replacing the rear seal

Checking the engine

Install

Checking compression

Checking the engine coolant temperature (ECT) sensor

Checking engine speed (RPM) sensor interference

Checking for air leakage in the exhaust system (1999)

Engagement

Checking for air leakage in the exhaust system (2000-)

Check

Removing tools

Installing components

Checking for air leakage in the exhaust system

Choosing a method for taking a reading

Taking fuel pressure readings while driving the car

Level sensor with cable and pipe system

Right side fuel pump with level sensor

Preparation

Fuel gauge sensor

Installing the fuel filter

Checking the residual pressure

Measuring the line pressure

Replacing component

Installing ignition coils

Replacing ignition coils

Checking ignition spark

Replacing spark plugs

Removing sparkplugs

Checking injectors

Checking spark plugs

Checking component

Verification

Fault-tracing information

Checking the air conditioning (A/C) system

Checking the engine cooling fan (FC) and cooling system

Checking the engine cooling fan (FC)

If no malfunction has been found

Checking components and connections

Checking the on-board refueling vapor recovery valve

Checking the status of the pedal position sensor

Reading off the engine coolant temperature (ECT)

Replacing the component

Checking the thermostat

Checking the three-way catalytic converter (TWC) and exhaust system

Read the readiness code

Carry out TRIP

Probe warming not complete

Checking engine coolant temperature (ECT)

Readiness Code

All sections

Checking engine speed (RPM) sensor interference Volvo XC70 I рестайлинг

Ignition and Control Systems - Symptom Related Diagnostic Procedures (Xc) 1 illustration

Checking engine speed (RPM) sensor interference

See Checking engine speed (RPM) sensor interference

Scheme 87

Scheme 87: Checking for air leakage

Scheme 87: Checking for air leakage

Carry out check for air leakage

For 1999 model year cars, see «Checking for air leakage in the exhaust system (1999)»(ref-430968-S39762289702012011800000)
For 2000- model year cars, see «Checking for air leakage in the exhaust system (2000-)»(ref-430968-S40662353002012011800000) .

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