1996 gmc sierra running ruff

Asked by Carl Sep 06, 2018 at 07:11 PM about the 1997 GMC Sierra C/K 1500

Question type: Maintenance & Repair

1996 gmc sierra 1500, 350 engine.  Idles fine but under load misses etc.  Have
changed spark plugs, wires, cap and rotor button, cam shaft postion sensor,
coil, mass air flow sensor.  Now it wont hardly run at all with mass air flow
sensor plugged in, unplugged it runs good. Any suggestions on what it could be

1 Answer

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