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Engine Controls - Specifications: Other Geo Metro I

Specifications 3 illustrations ~160 words

ENGINE COMPRESSION

Check engine compression with engine at normal operating temperature at specified cranking speed, with all spark plugs removed and throttle wide open.

ApplicationSpecification
Compression Ratio9.5:1
Normal Compression Pressure199 psi (14.0 kg/cm 2 )
Minimum Compression Pressure156 psi (11.0 kg/cm 2 )
Maximum Variation Between Cylinders14 psi (1.0 kg/cm 2 )

COMPRESSION SPECIFICATIONS

VALVE CLEARANCE

ApplicationIn. (mm)
Metro(1)
(1) Clearance is automatically adjusted by hydraulic lash adjuster.
(1)Clearance is automatically adjusted by hydraulic lash adjuster.

VALVE CLEARANCE SPECIFICATIONS

IGNITION COIL

ApplicationPrimarySecondary
Convertible1.33-1.5510,700-14,500
Hardtop1.35-1.6522,100-29,900

IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)

DISTRIBUTOR SENSORS

ApplicationClearance In. (mm)
Metro.008-.016 (.20-.41)
(1) This may also be referred to as Camshaft Position (CMP) sensor on some models.
(1)This may also be referred to as Camshaft Position (CMP) sensor on some models.

PICK-UP COIL AIR GAP (1)

ApplicationOhms
Metro140-180
(1) This may also be referred to as Camshaft Position (CMP) sensor on some models.
(1)This may also be referred to as Camshaft Position (CMP) sensor on some models.

PICK-UP COIL RESISTANCE (1) - Ohms @ 68°F (20°C)

HIGH TENSION WIRE RESISTANCE

ApplicationOhms
Metro3000-6700 Per Foot

HIGH TENSION WIRE RESISTANCE

SPARK PLUGS

ApplicationNippondensoNGK
MetroW20EPR-U11BPR6ES-11

SPARK PLUG TYPE

ApplicationGap: In. (mm)Torque: Ft. Lbs. (N.m)
Metro.039-.043 (1.0-1.1)21 (29)

SPARK PLUG SPECIFICATIONS

FIRING ORDER & TIMING MARKS

Note. For firing order and distributor rotations (Scheme 1) To locate ignition timing mark (Scheme 2)

Firing Order & Distributor Rotation. Scheme 1

Scheme 1: Firing Order & Distributor Rotation

Scheme 2

Scheme 2

IGNITION TIMING

ApplicationMan. Trans.Auto. Trans.
Metro(2) 5 @ 750-850(2) 5 @ 800-900
(1) If specification differs from emission label, use specification listed on emission label. (2) With jumper wire installed between terminals "D" (Black wire) & "E" (Purple/Green wire) of duty check data link connector, located on left strut tower.
(1)If specification differs from emission label, use specification listed on emission label.
(2)With jumper wire installed between terminals "D" (Black wire) & "E" (Purple/Green wire) of duty check data link connector, located on left strut tower.

IGNITION TIMING SPECIFICATIONS (Degrees BTDC @ RPM) (1)

FUEL PUMP

ApplicationPsi (kg/cm 2 )
Metro(1) 23-30 (1.6-2.1)
(1) With ignition on and engine off.
(1)With ignition on and engine off.

FUEL PUMP PERFORMANCE

INJECTOR RESISTANCE

ApplicationOhms
Metro (1).5-1.5
(1) Resistance of fuel injector resistor is 1.9-2.1 ohms.
(1)Resistance of fuel injector resistor is 1.9-2.1 ohms.

INJECTOR RESISTANCE SPECIFICATIONS

IDLE SPEED

ApplicationIdle RPM
Convertible(2) 800-900
Metro & Metro LSi
A/T(2) 800-900
M/T(2) 750-850
Metro XFi (M/T)(2) 650-750
(1) If specification differs from emission label, use specification listed on emission label. (2) With transaxle/transmission in Neutral (M/T) or Park (A/T).
(1)If specification differs from emission label, use specification listed on emission label.
(2)With transaxle/transmission in Neutral (M/T) or Park (A/T).

IDLE SPEED SPECIFICATIONS (1)

A/C IDLE SPEED

Application(1) Engine RPM
Metro (2)850-950
(1) Transaxle/transmission in Neutral (M/T) or Park (A/T). (2) Vacuum Switching Valve (VSV) is used for maintaining idle speed during A/C operation.
(1)Transaxle/transmission in Neutral (M/T) or Park (A/T).
(2)Vacuum Switching Valve (VSV) is used for maintaining idle speed during A/C operation.

A/C IDLE SPEED SPECIFICATIONS

THROTTLE POSITION (TP) SENSOR

Note. To identify TP sensor terminals (Scheme 3)

ApplicationOhms
Between Terminals 1 & 2 (1)0-5000
Between Terminals 1 & 2 (2)Infinity
Between Terminals 1 & 2 (3)0-5000
Between Terminals 1 & 3 (3)240-1140
Between Terminals 1 & 3 (4)3170-6600
Between Terminals 1 & 44370-8130
(1) With .012" (.30 mm) feeler gauge installed between throttle stop screw and lever. (2) With .035" (.89 mm) feeler gauge installed between throttle stop screw and lever. (3) Throttle valve at idle position. (4) Throttle valve at fully open position.
(1)With .012" (.30 mm) feeler gauge installed between throttle stop screw and lever.
(2)With .035" (.89 mm) feeler gauge installed between throttle stop screw and lever.
(3)Throttle valve at idle position.
(4)Throttle valve at fully open position.

THROTTLE POSITION (TP) SENSOR RESISTANCE

Scheme 3

Scheme 3