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2 Posts
So, I had the problem with my 1999 Astro van. Eveybody knows the problem, you start it up and the damn thing sputters like crazy. You drive around for a while and it sort of goes away......until the next morning when it wont even start. So, I tried the Ignition route replacing the cap, rotor, wires and plugs with non ACDelco products to no advantage. I checked all the forums on this problem and it seemed no one had a decent answer. Recently I figured hey, I might as well try to clean the EGR valvle to see what happens. After a good cleaning with compressed air and a dentists tool to scrape off the carbon, I reinstalled it and it ran fine. So what right? Wait until the morning when it's at it's worst. So the next morning it started it up just fine and ran just as well. No sputtering!! It's been a week and it has ben sputter free. My suggestion to everyone out there with this problem is not to waste your time and money on fuel press regulators, ignition coils and so on and go right for that EGR valve (don't use carb cleaner as it will damage the diaphram). It worked for me.