EGR components and identification

Front

What does EGR stand for?

Back

Exhaust Gas Re-circulation

Front

What particular Emissions are lessened by the EGR?

Back

NOx

Front

EGR raises the combustion chamber temperatures

Back

False

Front

What sensor provides information about the EGR system to the PCM?

Back

EGR position/flow sensor

Front

If the EGR passage is plugged what will be the result for the engine?

Back

spark knock

Front

The EGR valve is wide open during engine idle?

Back

False

Front

What is Normal engine vacuum?

Back

17-21 In/hg

Front

Rough Idle can be caused by? Stuck closed EGR, Clogged EGR passage, Stuck open EGR

Back

Stuck open EGR

Front

Spark knock can be caused by all of the following except? Clogged EGR passage, Stuck closed EGR valve, Stuck open EGR valve

Back

Stuck open EGR valve

Front

How does EGR prevent spark knock and reduce emissions? Options: Lower combustion temps, Raise Combustion temps, Adjust air/fuel ratio

Back

Lower combustion temps