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Isuzu
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1989
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I-Mark LS
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Repair and Diagnosis
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Engine Performance
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Specifications - 4-CYL
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Maintenance Specifications
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Replacement Intervals
Replacement Intervals
REPLACEMENT INTERVALS
Component
Interval (Miles)
Air Filter
30,000
Cam Timing Belt
60,000
Coolant
30,000
Fuel Filter
30,000
O2 Sensor
90,000
Oil & Filter
(1)
7500
PCV Valve
30,000
Spark Plugs
30,000
(1)
On turbo models, change oil and filter every 3000 miles.