2004 Ford Crown Victoria "engine chugging" Questions

check engine light, on getting code P0171. Need to know what it is car chugs and sputters when starting then runs good, just bought it and need to know what to fix. car set for a year in a garage 171 ...

...chugging. If I let up and then press the gas with more vigor the problem does not exist? Could it be a fuel issue. It's been going on for a few months, it is just now happening so often that it's ...

...or fuel pump and/or strainer or even throttle position sensor,or bad coil pack or packs...check for engine codes,if nothing then its not an electrical sensor,like throttle position sensor,or coil ...

...chugging has returned and I was having problems w/ the car accelerating again. Should I have gotten all eight coil packs replaced @ once? Also, I know something is wrong w/ the oxgen bank one sensor ...

...an auto parts dealer, showed these codes: 12 memory to controller has been cleared within 50-100 engine starts 24 throttle position sensor voltage high/low 31 purge solenoid circuit, open or short ...

engine, chugging at idel and driving... although the check engine light goes off, the code is most likely still locked in. stop by your local advanced auto parts, or mechanic to have them check it out

chugging and engine light keeps coming on. So I had the fuel pump changed and metal shavings were found in the strainer, and it seemed ok this week until today. Started chugging again and check engine

...engine is "chugging" when I reach between 40 - 50mph My engine has started "chugging" when I reach between 40- 50 mph. I have put a fuel cleaner in it and that didn't work. I changed the spark plugs ...

1991 Mazda Protege: When key is turned, engine will not always turn-on, I keep turning key until the engine turns on. What causes this? Does it chug chug chug for a while before it start or is it dead

Power loss / low idle speed The engine ''chugs'' when accelerating and it also ''chugs'' while idling. This has been occurring for about a week and now the check engine light is blinking when it ...