T
tomerlind
Guest
i have a 1987 chevy silverado 5.7 ..when the truck sits it hard to start but after driven starts right up..does it on both tanks and both fuel pumps are brand new..also when it does start it blow smoke but only after sitting..smoke is grey and smells like its running rich..i have replaced fuel diaphram and every sensor under the hood..any help would be appreciated..thanks