Yes.
A faulty EGR valve can cause a 98 Chevy to fail a smog test. The oxygen sensors should also be tested as they can also cause a 98 Chevy to fail a smog test.
Check the idle air control valve (IAC valve). If dirty clean or replace. Also check air/smog pump. Be sure intake fins on that are clean. Even if clean, could be causing the noise.
No, a DMV printout is not typically required to get a smog check. However, you may need to provide your vehicle's registration details or VIN to the smog station. It's advisable to check with your local smog check facility or the DMV for specific requirements in your area.
when they check your car!
No, there will be no problem at the DMV. The important thing is that the DMV has received your vehicle's smog check certificate number and the vehicle has passed. The reason for the smog test is simply for smog check data which is obtained by Sacramento and used for analysis.
no anything below 76 is a no smog
vehicle was smogged last year and now notified to smog it again this year
the secondary air injection system is the smog pump and valve. the valve is located on the exhaust manifold with 2 hoses leading to the smog pump which is located under the drivers side floor. it is electric.
It is to see if the car is safe for the environment.
An 01 impala only has to meet the emissions requirements in effect on the date of manufacture. It does not have to meet more recent, more stringent standards.
There isn't one single cost for a smog check. It depends on the county you live in and the shop you take your vehicle to. The cost can range from $29.95 to $89.95.
There could be many reasons why your car will not pass the smog check in your state. The inspection center should have given you a code as to why the car failed.