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Mustang Engine Cutting Out (Bucking/Surging)
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[QUOTE]Originally posted by Casey90GT: [QB] Ok everybody...here's the scoop. The car runs amazing, really strong, actually one of the faster 5.0's that I've driven, and then WHAM!!! Out of nowhere it starts falling on its face. It's like somebody shut off the motor, but only for a split second (just enough to drop the rpms by about 200-500) and then it kicks back on, but every time you try and accelerate it goes for a second and then falls on its face again, only to kick back on a split second later. It's so bad that you can barely maintain 15 mph. Then shut it off overnight, turn it back on and it's fine for about 15 minutes before it starts acting up again. At this point I have checked every plug under the hood, checked the main ground at the back of the block, replaced the ignition coil and the TFI module. I have checked the TPS voltage and it is right on the money (no erratic readings, etc). My friend 306notchback510 did the tune-up and I know that he checked all the plug gaps, because he is a perfectionist. Plugs, cap, rotor and wires are all new, all Motorcraft. N8, I will check the fuel pressure tomorrow. That's an interesting idea and it may be the cause of my problems...regardless, I'm glad to know that you figured out what was up with your ride. Anybody else have any ideas...the problem seems to be directly related to engine temperature, and it's getting progressively worse everytime I drive the car. Thanks in advance! [/QB][/QUOTE]
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