I have an 88 chevy caprice. the vehicle stalls out when its warm after work but will make the same distance drive in ht emorning with no problem. At night and on cold days it runs great.
I have replaced fuel pump, fuel line, carburetor, ignition coil, alternator. I had a mechanic look at it and he says that the fuel pump doesnt work when it gets hot, says the pump is defective. What do you think?