1999 Pontiac Firebird "replace fuel injectors" Questions

...and they have 16-17 volts on all wires. How can the injector work if one is not negative? I have replaced the engine control computer with no help. What can I do now? Did you check the inj1 and ...

...INJECTORS I have inherited the same engine / Trams Am, it will start OK the next day but if left for a few days or more it will not firen not ever, but once a dose of aero start is used it fires up ...

fuel from going into engine...You will have to remove injectors and replace the o-rings...all of them....Get some vaseline or electrical lube and coat the o-rings with it so they will become slick and

fuel pump pumps when cranking but does not prime, also the injectors are not opening. i have just baught this bird and it had the fuses messed up pretty badly. when you turn the car on you dont hear ...

...fuel injectors.... Still nothing... I hooked up noid light to check that power was getting to the injectors....all injectors flashed in the same manner.... Car will start if you use starting fluid , ...

...fuel injectors, or your intake manifold has a leak or vacuum hoses. You can check the vacuum hoses yourself and that is cheap. Also check your fuel filter. Fuel injectors ever been cleaned/replaced? ...

...getting to the injectors, what can i do??? check fuel regulator. chek fuel pressure w/gauge see if have rite pressure if does put vacuum on regulatoer w/vacuum pump if pressure drops replace ...

...fuel. Obtain a mechanics Stethoscope (like a doctor's steth, but has a rod onthe end instead of a disc). You will find the faulty injector quickly. Best to replace it. (By the way, white smoke is ...

...fuel pressure regulator, but I dont know. If anyone has any advice I'd appreciate it. Thanks Check the cold start injector useing a digital multimeter with a bar graph. Unplug the injector wires and ...

...fuel injectors and ignition coil recently while trying to find out why it would not start at all. Ignition coil is definitely why it would not start originally. I also pulled the idle control motor, ...