whats up i got a 97 blazer i just has test run on the truck they said it had low fuel pressure an weak fuel pump.. but i checked it the other day an it was 55 to 60 but it dont wont to start when warm outside takes 5 to 10 trys but in the mornings it starts no problem an ive noticed the fuel milage has droped alot ive replaced the wires sparkplugs dis cap & rotor new batt. new fuel filter cleaned maf sensor idel air sensor any help would appreciated