Two weeks ago I bought a used 95 960 wagon. For the first week it ran great. I filled up one time with low test fuel (dumb) and now I have a sputtering engine. It starts up with no problem but idles on the brink of stalling. The tach alternates between 1 and 2 rpm and the tach needle bounces. Then when I put it in drive and give it some gas, it goes real slow for a minute or two and then takes off (whoa!). Is the reason for this the cheap gas? I refilled with high test and added a fuel injector/carb. cleaner. After three days it still does it. After driving around for a while it gets better. Could I need a new fuel pump or fuel pressure regulator? I am not much of a mechanic but I want to know how expensive this problem is going to be to have fixed. Anyone else had this problem? Thanks for any advice.
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