Engine Performance problem
1999 Ford Expedition V8 All Wheel Drive Automatic
I have checked the injectors to make sure they are pulsing, pulled a vac. on the fuel pressure reg., checked the fuel pressure with a fuel pressure gauge it is 35 psi., have checked all fuses, relays, circut breakers, put in new battery at full charge , put in new cam shaft and crank shaft sensors, new oil pressure sensor, oil temp sensor, have checked MAF sensor voltage 5vdc, checked all and replaced vac. lines, checked all sensors according to the service manuel that i have which is a haynes manuel. checked fuel pump, checked wiring for broken wires, dont know where to check at this point.
1999 Ford Expedition V8 All Wheel Drive Automatic
I have checked the injectors to make sure they are pulsing, pulled a vac. on the fuel pressure reg., checked the fuel pressure with a fuel pressure gauge it is 35 psi., have checked all fuses, relays, circut breakers, put in new battery at full charge , put in new cam shaft and crank shaft sensors, new oil pressure sensor, oil temp sensor, have checked MAF sensor voltage 5vdc, checked all and replaced vac. lines, checked all sensors according to the service manuel that i have which is a haynes manuel. checked fuel pump, checked wiring for broken wires, dont know where to check at this point.
Mar 14, 2010 at 8:43 AM