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What are the missing part in this photo?

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What are the missing part in this photo?

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O2 sensor voltages read out is 0.3v is this mixture Lean or Rich 

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O2 sensor voltages read out is 0.3v is this mixture Lean or Rich 

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Oxygen Sensor range between 0.1v Lean - 1v Rich

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Point Breaker ignition and Electronic Ignition is shown below which is which  

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Point Breaker ignition and Electronic Ignition is shown below which is which  

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What is wrong with the spark plug on the right ?

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What is wrong with the spark plug on the right ?

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What precious metal are used in a Catalytic Converter ? 

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What precious metal are used in a Catalytic Converter ? 

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Is this statement true: High NOx in exhaust system are caused by excessive Heat

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Is this statement true: High NOx in exhaust system are caused by excessive Heat

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What Pollutants are created with an internal combustion engine? 

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What Pollutants are created with an internal combustion engine? 

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to reduce knock, does petrol need to burn slow or fast?

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to reduce knock, does petrol need to burn slow or fast?

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to reach its peak, does desil need to burn slow or fast 

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to reach its peak, does desil need to burn slow or fast 

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What items did the original OBD test and report

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What items did the original OBD test and report

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what was the purpose of the first OBD system

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what was the purpose of the first OBD system

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What are the Consequences of a Spark Plug Gap Being Too Big?

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What are the Consequences of a Spark Plug Gap Being Too Big?

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What are the Consequences of a Spark Plug Gap Being Too Small?

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What are the Consequences of a Spark Plug Gap Being Too Small?

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what are the different ignition systems 

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what are the different ignition systems 

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Fuel Pressure is regulated by which device ?

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Fuel Pressure is regulated by which device ?

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Mass Air Flow Meter / Manifold Pressure sensor / Fuel Pressure Regulator

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what is the difference between a 91 and 98

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what is the difference between a 91 and 98

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how do you safely remove a fuel tank to do a repair job

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how do you safely remove a fuel tank to do a repair job

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What are the 4 Types of Abnormal Combustion?

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What are the 4 Types of Abnormal Combustion?

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why do Diesel engines use glow plugs instead of spark plugs?

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Spark Plug Operate at 500 - 900 Degree Celsius (True or False)   

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Spark Plug Operate at 500 - 900 Degree Celsius (True or False)   

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What Tools do you use to check Spark Plugs Gap ?

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What Tools do you use to check Spark Plugs Gap ?

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What is another word for Mist ? (EFI term)

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What is another word for Mist ? (EFI term)