Any past zero.
There is no way to tell exactly how many miles to the gallon will you loose with a bad EGR. It depends on the car.
I would not buy a car with 155195 miles i think it is bad.
Your a bad speller
No its not bad< just time for a checkup... i have a gmc with 220789.
I'm guessing you saw a used car advertisement with "81k" in it. The "k" stands for "thousand." So 81k = 81000. Not bad for a car that is well maintained. I drive a '96 civic with 245k miles on it!
bad..but it depends on how old the car is. If its 10 years old and its a diesel then it should be fine.
A few things you have to look at- How old is the car? Except for the bad head gasket, does the car operate OK? How many miles are on the car?? These are things you have to decide what you will do.
No, regular maintenance will allow the car to last longer.
After several miles, your car will start missing, better to go ahead a drain it.