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Pontiac
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1983
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J2000/Sunbird L4-112 1.8L
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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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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Hesitation, Sag, Stumble
Hesitation, Sag, Stumble
1.
Improper
fuel pressure
.
2.
Contamination of fuel.
3.
Improper
ignition timing
.
4.
Improper alternator output voltage.
5.
Improper
EGR valve
operation.