1995 Buick Regal Q&A

1995 Buick Regal Question: what would cause my car to have alot of loping during idling and while driving

while the car is in idle {warm up} its like it wants to stall. while driving at about 35 and higher i get he same problem loping or arratic idle. whats up check all the vacuum hoses but haven't changed the plugs or wires yet i used some dry gas treatment thimking maybe its my fuel injectors what do you think the nest step shoukd be, -
Answer 1
I'm guessing it's your timing belt or the belt on the alternator. Needs a tune up. -
Comment 1
I don't believe there is a timming belt on this car. i've been trying the highest grade gas fot the last month hoping that might help. but it getting costly, -
Answer 2
There's no timing belt and it could be many things. Do you have a check engine light on? -
Comment 1
No! I do not have a check engine light on. it would be nice if i did, that way i would look up a code. -
Comment 2
Just because the light is not on doesn't mean that it has no codes. Get it scanned by a real scanner. -
Answer 3
egr valve proble has carbon stuck in it put on computer to test -