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Ok so i have this ongoing problem. I'm not sure if it is easily fixed or something i just have to live with. It is actually 2 parts which i am not sure if they are related or not.
So here is the deal. When i am cruising along the highway at a constant speed, usually 55-70 mph, whether it is in cruise or not it kinda studers sometime. The RPM's dip for just a fraction of a second by about 200 rpms and then resume. It seems to happen more so at higher altitudes though. When i go pick up my son is when i notice it and i have to drive up toward the mountains and that is when it is most noticable.
Second, my idle is a little unstable. I'm not sure if that is due to my mods or is normal or is from the same reason the dip happens as stated above. It just kinda studders a VERY small amount when at idle sitting at a traffic light. The needle just kinda wabbles a little bit but i can hear it.
The only thing I have done so far is replace the spark plugs with Autolite 3923's and gapped them at .40. Other than that i have done nothing. I'm not sure if this is an ignition problem or maybe something with the fuel injection.
Any ideas or help will be appreciated.
So here is the deal. When i am cruising along the highway at a constant speed, usually 55-70 mph, whether it is in cruise or not it kinda studers sometime. The RPM's dip for just a fraction of a second by about 200 rpms and then resume. It seems to happen more so at higher altitudes though. When i go pick up my son is when i notice it and i have to drive up toward the mountains and that is when it is most noticable.
Second, my idle is a little unstable. I'm not sure if that is due to my mods or is normal or is from the same reason the dip happens as stated above. It just kinda studders a VERY small amount when at idle sitting at a traffic light. The needle just kinda wabbles a little bit but i can hear it.
The only thing I have done so far is replace the spark plugs with Autolite 3923's and gapped them at .40. Other than that i have done nothing. I'm not sure if this is an ignition problem or maybe something with the fuel injection.
Any ideas or help will be appreciated.