Question about 1998 Chevrolet Blazer
I had a tune up last year when I had intake manifold replaced, car has ran great until last week. No codes came up at all, but car runs rough. I replaced the cap and rotor today and did an oil change, still running rough. Last week installed a new fuel pump and filter and that is about the time my problems started. My old fuel pump just stopped working. Could it be fuel pressure? Plugs? Vacuum?
Bad EGR valve comes to mind here. Assuming the plugs are good, the EGR valve woiuld be what I'd look at.
Posted on Jul 26, 2009
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Posted on Jan 02, 2017
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