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My 1988 gmc 2500 was running fine. Now it does not seem to…

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my 1988 gmc 2500 was...
my 1988 gmc 2500 was running fine. Now it does not seem to burn fuel correctly...white smoke and smell like unburned gas
Submitted: 3 years ago.Category: GMC
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Answered in 3 hours by:
6/13/2015
GMC Mechanic: jazzmaster, ASE Certified Tech replied 3 years ago
jazzmaster
jazzmaster, ASE Certified Tech
Category: GMC
Satisfied Customers: 2,952
Experience: I have been in the automotive industry for over 35 yrs
Verified
hi ,did you check the vacuum hoses and also the egr valve
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GMC Mechanic: jazzmaster, ASE Certified Tech replied 3 years ago
hi, do you still need help ?..jazzmaster
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