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See WHEEL ALIGNMENT SPECIFICATIONS & PROCEDURES article in WHEEL ALIGNMENT section. WHEEL BEARING Inspection 1) Wheel bearings require no adjustment. Bearings should be checked for excessive movement. Support vehicle, and remove wheel. 2) Install dial indicator with stem positioned on front hub surface. Move hub assembly inward. Note reading. Movement should be 0-.002″ (0-.05 mm). If movement is not as specified, replace bearing. See WHEEL BEARING under REMOVAL & INSTALLATION.

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Accord, Civic, Civic Del Sol, Prelude MECHANICAL CHECKS ENGINE COMPRESSION Check engine compression at specified cranking speed, with engine at normal operating temperature, all spark plugs removed and throttle wide open. ENGINE COMPRESSION ( 1) VALVE CLEARANCE VALVE CLEARANCE ADJUSTMENT SPECIFICATIONS – ACCORD & PRELUDE IGNITION COIL IGNITION COIL RESISTANCE DISTRIBUTOR SENSORS Triggering of fuel injectors is dependent upon pulsed voltage signals generated by TDC/CRANK/CYL sensors. For testing of these signals, see F – BASIC TESTING article in the ENGINE PERFORMANCE Section. TDC/CRANK/CYL SENSOR RESISTANCE Firing Order & Distributor Rotation (Civic & Civic Del Sol)

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2. Remove engine splash shield. Remove power steering adjusting pulley. Remove power steering pump with hoses attached, and set aside. Remove alternator. 3. Remove A/C compressor (if equipped). Remove engine valve cover and upper timing belt cover. See Fig. 1 . Ensure timing marks align, and UP marks on camshaft sprockets are positioned at the top. See Fig. 2 . 4. Remove crankshaft pulley. Remove lower timing belt cover. If reusing timing belt, mark belt rotation direction before removing. Loosen timing belt tensioner adjustment bolt, and push tensioner to release belt tension. Tighten adjustment bolt and remove timing belt. Inspection Inspect timing belt for wear and for signs of oil contamination. Replace belt if damaged or contaminated. Inspect all drive gears for wear in drive belt area. Inspect water pump for excessive bearing play or coolant leakage. Replace if necessary.

Page 1 CHART EXPLANATION B- 12 voltignition U- 12 volt battery E- ECU Ground P- Pressure sensor, Air flow signal
(Note: some applications have multiple “P” signals-Use P(AFR) for AFR and P(FCD) for FCD) I- RPM signal S- Speed Sensor T- Throttle Position Sensor
#- Injector Signal * ALL DIAGRAMS ARE SHOWN FROM THE WIRE SIDE OF THE HARNESS FORD FOCUS ZX3 2000-2003 2.0L ZETEC (DOHC)
ECU LOCATION-4 Hot Wire (0-5V) HONDA / ACURA ACURA RSX/HONDA CIVIC SI 2002-2004 K20A2 ECU LOCATION-3 Pressure Sensor Type HONDA CIVIC 1988-1991 ACURA INTEGRA 1986-1993
The following diagrams may differ slightly depending on vehicle year, or model (California or Federal). Confirm that the diagram shown
corresponds to your vehicle by referencing the factory repair manual. Locate the engine control unit (ECU) using the diagram below.
FORD FOCUS ZX3 2000-2003 2.0L ZETEC (DOHC) ECU HONDA / ACURA ACURA RSX/HONDA CIVIC SI 2002-2004

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SYMPTOM When the engine is first started after the vehicle has sat overnight, customers may “feel” the release of the throttle plate through the accelerator pedal. Some describe it as a one-time “pop” sensation. Customers may have trouble explaining this phenomenon because: They can’t repeat it because it only happens one time, when the engine is cold. The accelerator pedal works normally at all other times. There are no other symptoms. It may be intermittent, happening only during cooler weather. PROBABLE CAUSE The symptom is caused by normal buildup of contaminants in the throttle bore, combined with expansion and contraction of the throttle body. CORRECTIVE ACTION Partially remove the throttle body, and clean it with Honda carburetor cleaner or throttle plate and induction cleaner. REPAIR PROCEDURE 1. Remove the breather tube from the air intake duct, unclip the vacuum lines from the duct, and remove the duct from the throttle body. See Fig. 1 . Fig. 1: Removing Air Intake Duct 2. Disconnect the TPS and MAP connectors from the throttle body. 3. Remove the throttle cable and, if equipped, the cruise control actuator cable from the throttle body. 4. Remove the throttle body mounting nuts and bolts, then slide the throttle body off its studs on the intake manifold chamber. Leave the coolant hoses connected. See Fig. 2 . 5. Put a shop towel under the throttle body, open the throttle, then clean out any contaminants from the intake manifold side of the throttle body with carburetor cleaner or throttle plate and induction cleaner. See Fig. 3 . NOTE: To avoid damaging the idle air control valve (IACV), spray the cleaner through the back of the throttle body, not the front.