Question about 2002 Saturn Sl
Yes, this will prevent you from passing a smog check in every state (assuming the inspector is diligent enough to see the crack, or the crack is big enough that you can hear or smell the exhaust leaking). It's a good idea to get this fixed anyway since noxious gases are leaking out of the crack and can enter the passenger cabin.
Posted on Apr 15, 2014
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Posted on Jan 02, 2017
Some vehicles require very specific drive cycles (called "drive traces"
if you perform them on a road simulator or dyno) to activate certain
self-checks like the catalyst and EVAP monitors.
As a general rule, doing some stop-and-go driving around town at speeds
up to about 30 mph followed by five to seven minutes of steady 55 mph
highway speed driving will usually set most or all of the monitors.
Consequently, if you're checking an OBD II system and discover that one
or more of the monitors have not run, it may be necessary to test drive
the vehicle to set the remaining monitors.
You should talk to a good emission tec, if this is not throwing a code, it is hard to say if that one of the components could be bad. O2,pump,convert, HeO2, every part of the emission system.
With a 1000 miles, and doing what is says above just before the test, and ending driving at the test
should be plenty. If it is not, you will have to have each emission part checked, or when the computer
is plugged in it might show a code that did not trip dash light.
Posted on Mar 27, 2009
the crack is possibly in a oil pressure gally and that would by why there is pressure behind it. there is no fix and this engine is not notorious for this problem. if the engine has low miles i would just replace the cyl head.
Posted on Mar 31, 2009
If it happened all of a sudden, check the fan belt, and the A/C fuse. These are the most likely culprits. If the fuse is blown, the clutch on the A/C compressor may have gone bad, and should be looked at.
Posted on Jul 28, 2009
You will need roughly 5 drive cycles for the obd2 to allow you to pass emissions. If you have no other issues with the car I see no reason to get rid of it.
Here is a link of what constitutes a cycle.
Posted on Mar 05, 2010
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