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injectors help

  1. Do I need a new MAF?

    4.6L Tech
    Hello. I have purchased some 24 lb. injectors for my 04 gt. I am wanting to know if by installing these will i need to upgrade my MAF and also will I need an upgraded tune. I am currently running a hypertec tuner which does not allow for injector tuning. Also is the install tough? thankyou
  2. 97 mustang gt I need help!

    4.6L Tech
    Ok so I have a 97 Mustang GT 4.6L SOHC 5speed. It will start but die 5 seconds later. I thought is was the grounds for the injectors but now I'm not sure. I have replaced the PCM, IAC valve, camshaft position sensor, crankshaft position sensor, EGR valve, intake manifold gaskets, spark plugs...
  3. 1991 ford mustang gt convertable fuel injectors not working

    5.0L Talk
    i have a 1991 mustang gt convertable I was driving down the road and the car just shut off on me could not get it started again got it towed to my house i had 31 pounds of fuel pressure so i changed the fuel pump now I have 54 pounds of fuel pressure. I check the fuel injectors and it doesn't...