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Volvo
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1989
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740 L4-2.3L SOHC VIN 88 B230F
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Ignition Timing
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Adjustments
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W/ Bosch Electronics
W/ Bosch Electronics
Fig. 89 Timing Mark Location:
1.
Engine must be at operating temperature and air conditioner off.
Timing should be:
12° at 775 ± 50 RPM
2.
Timing can only be checked, no adjustments are possible.