Yes, the EGR *system* could factor in to misfires...
... Along with a range of other culprits.
The check engine codes would be a good place to find out specifically what is going on in your engine.
See "Related Questions" below for more about the EGR/DPFE system that relates to a 401 diagnostic code, along with check engine light background
If you have a "check engine" light on, start with having the codes read. A misfire code can tell you which cylinder or cylinders are having problems. A misfire could be the cause of your engine vibration.
It could.
Anything that could cause a cylinder misfire can cause the check engine light to flash. A restricted fuel filter is one.Anything that could cause a cylinder misfire can cause the check engine light to flash. A restricted fuel filter is one.
It could, depending on the cause of the misfire.
I have a 95, had a misfire... mine was because of the plug wires... changed the wires and plugs mis fire stopped...
Theres three coil packs; one fires two cylinders. I suppose if one is bad then it could cause the two corresponding to misfire. I had one cylinder misfire, it turned out to be the fuel injector.
Contaminated fuel could cause a misfire.
It could.
A cylinder misfire could be from a bad spark plug, bad spark plug wire, or a bad coil. It could also be caused by a plugged or faulty fuel injector.
Depending on the cause of the misfire, it could damage the catalytic converter.
A blinking check engine light means an engine cylinder misfire has been detectedNot only a misfire, but a condition that could cause a catastrophic failure of the catalytic converter. The injector on the effected cylinder(s) will be shut off by the PCM
A partially clogged converter will cause this. Also an overly rich fuel/air mixture or a cylinder misfire is a cause.