Questions & Answers for: Ford Mustang idles rough

IDLES ROUGH LOSS OF POWER BETWEEN 45-55 MPH RUNS REALLY ROUGH LIKE STARVING FOR FUEL TROUBLE CODES P0263 P0336 PO401 PB2B P2763 just a guess but might be a fuel pump, try smacking the tank before you ...

runs rough 2000 mustang 3.8L v6, runs rough especially when warm, doesn't want to idle, low power have to keep rpm's up How long have you had this problem? It could just be a bad tank of gas. Other ...

Bought 5.0 engine with systemax installed. Said it ran great. I installed the engine and just put the a 255LPH fuel pump in. Adjusted fuel regulator to 42 PSI. Runs REAL ruff. Won't idle by itself. ...

I have a 1994 mustang gt 5 speed, Motor runs rough and idle changes motor seems to stumble when at idle I would check the ends of all those little rubber vacuum hoses that are used for pollution ...

...idles rough and the mysteriously smooths out and back to rough. no power with take off until above 35 mph or so 1996 mustang You just go to the link I attached I'm sure you will get the solution of ...

rough idle in the morning when it is cold car has a rough idle, also while driving and i come to a stop light it has a rough idle You may have a valve leak.

ROUGH IDLE IN DRIVE I am having this problem right now as well. I had a rough idle problem at first, and realized my coolant was very low, filling it fixed the first problem, so be sure your fluids ...

1994 Mustang 3.8L starts fine after about two minutes will loose power and die at idle only after it has warmed up its fine seems like starving for fuel.... fuel filter changed, fuel pump changed mass

1992 Mustang 2.3L no start/rough idling issues, and fault codes. I'm checking out no start and rough idling issues on my daughter's 92 Mustang 2.3L. Sometimes I'll get 157, 334, and 542 CM fault codes

...rough with missing? idles ok cold, but after warms up engine runs rough like missing. when driving at 45mp start jurking stumbling. Could be spark or fuel. Weak or worn spark plugs, weak coil, dirty ...