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injectors help

  1. 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. 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. 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...