1999 Chevrolet Truck 5 7 Idles Ruff Erratic Jerking Driving Excessive Fuel

1999 CHEVROLET TRUCK
230,000 MILES
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5.7 idles ruff erratic jerking when driving. Excessive fuel consumption. New wires plugs maf. Started doing this after I replaced the crankshaft,
Jan 5, 2013 at 3:47 PM
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HMAC300
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scan for codes and check fuel pressure first.
Jan 5, 2013 at 3:56 PM
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