Operation CHARM
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Peugeot
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1991
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505 L4-2155cc N9te
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Testing and Inspection
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CO Concentration Is Too High
CO Concentration Is Too High
1.
Visually check air hoses, fuel hoses and connections.
2.
Check
fuel pressure
and
cold start injector
.
3.
Check thermo-time switch, temperature sensor and air flow sensor.
4.
Defective
oxygen sensor
.