Protege LX L4-1489cc 1.5L DOHC MFI (1998)
Air/Fuel Mixture: Adjustments
PREPARATION
1. Warm up the engine to the normal operating temperature.
2. Shift the transaxle into Neutral (Manual Transaxle [TX]) or P position (Automatic Transaxle [TX]).
3. Turn off all electrical loads.
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Headlight
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Blower motor
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Rear window defroster
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Power steering
4. Wait until the coolant fan stops.
5. Connect the SSTs (NGS tester) to the data link connector 2 and select the PID/DATA MONITOR AND RECORD function.
6. Select the "RPM" on the NGS tester display.
IGNITION TIMING
1. Perform "Preparation".
2. Verify that the idle speed is within the specification.
Specification:
MTX: 650 - 750 (700 ± 50) rpm
ATX: 700 - 800 (750 ± 50) rpm
3. If not as specified, adjust the idle speed.
4. Connect the SST (System Selector) data link connector.
5. Set switch A to position 1.
6. Set the test switch to SELF TEST.
7. Connect a timing light to the high-tension lead of the No.1 cylinder.
8. Verify that the timing mark (yellow) is within the specification.
Specification:
BTDC 9 - 11° (10 ± 1°)
9. If not as specified, loosen the distributor lock bolts and turn the distributor to make the adjustment.
