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Most in this forum are more knowlegeable than I, but I can
tell you changing my fuel filter was real easy on my 97. I also ran some
injector cleaner through it and is running great. I've seen alot
of suggestions on rough idle. Some look for vacuum/gasket leak.
Some suspect the fuel regulator (especially if it hesitates to start
when warm) Some have had a worn shaft thing in the distributor.
Air filter (I put in a K&N air filter and it seems my milage has
improved a bit.) I have seen people suspect the MAF sensor.
people have suggested going to a shop that can read the GM
codes on the computer before condemning injectors and such.
Apparently, checking the fuel pressure is easy with the right tool.
I see alot of folks replacing 02 sensors.
Just some thoughts.
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