It smells like it is running rich. Could it be the fuel pressure regulator. I've changed plugs and wires. not sure which way to go from here.
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2002 Chevrolet Silverado 2500 HD Question: The past 2 weeks my truck has been getting very poor gas mileage.
Answer #1pushrod December 12, 2013, 15:09Master
Have it scanned with a real scanner, not a code reader and fuel system pressure checked.
Answer #2Greg's Orange Auto (14628 Answers) , Orange, CA - (714) 361-9386globalhelper December 12, 2013, 16:00Master
you might want to get a mech opinion if your not equipped to handle suggested tests
Replypushrod, December 12, 2013, 16:02Master
'HAVE' it scanned!