Yes, if the valve is bad. With the car idling, move the EGR valve diaphragm with your fingers. The engine should quit or want to quit. If it doesn't do this, it could be plugged up. Remove the EGR valve and clean any carbon deposits in the valve and also do the same on the engine side where the EGR valve is connected. If the EGR has never been removed before, it will probably have carbon buildup.
passing laws requiring reduction in emissions
Yes, I blown head gasket will definitely effect the emissions.
Depends on the state I would guess. However, the cat back should not have any effect on the emissions of the car. That is controlled by the catalytic converter among other things. HTH.
This happened to me too. The emissions test broke the diaphragm in the gas cap. Bought a new gas cap and it fixed everything.
It can be done. However, check on the legality of this... if the 2007 was a glider kit, pre-2007 emissions engines would be legal... however, a 2007 truck which came completely assembled might be required to have an engine compliant with 2007 emissions standards.
Sufficiently reduce emissions would mean a slow return to normal temperatures, a slowing of the warming. Long term the reduction would help stabilise the atmosphere and calm down the extreme weather events which have been occurring with increasing frequency.
Badgers are blamed for carrying TB and passing it on to other animals, such as cattle.
The amount of Doppler shift depends on speed - the faster vehicle will show more Doppler shift.
The airbag light would have nothing to do with emissions. If they are doing a safety inspection, it would fail.
P0455 emissions leak code for a 2000 Intrepid
For a more specific answer, I would either call up the local Volvo dealership or I would look in discussion forums about Volvo cars for a more accurate answer.
It would be illegal to drive the car if it does meet the state emissions standards.