Diesel Data
: Automotive Repair
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Toyota
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1990
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Corolla Sedan L4-1587cc 1.6L DOHC (4A-GE)
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Diagnosis By Symptom
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No Downshift When Coasting
No Downshift When Coasting
1.
Faulty
governor
.
2.
Faulty valve body.
3.
Faulty solenoid valve.
4.
Faulty electronic controls.