Ford F-150 (2004-2008) :: Check Engine Light Is Flashing / Throttle Actuator Control System Forced Idle
Oct 8, 2008
I have a 2005 f-150 street boss with 79000 mile, and it is shooting off going down the road, and the check engine light is flashing. The first time I started it back up and it would idle fine, but the throttle wouldn't do any thing. After setting about 15 min. I started it up and it ran good. I checked the codes and it had a p2104 Throttle actuator control system forced idle. It happened again with my wife. This time when I checked the codes it had the p2104 and a p2112 throttle actuator control system stuck closed code. What could be the problem, or a troubleshooting guide I could use to try and diagnose it.
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Where is the Throttle Actuator Control Module Processor on a 2008 5.4L? Is it built into the throttle body, or integrated into the PCM?
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2006 F150 Triton 5.4 Motor... It's been over a months journey with fixing this truck....
How it started: had an oil change, a while back, on long drive after, check engine light started flashing as I accelerated up hill so I pulled over and in a while it was ok, but couldn't get on the gas too much, or it would cause that flashy light thing.
So fast forward to now, after driving it with an intermittent miss for a while, was driving it to work and the miss became a shudder, and she stopped going over 30-40, and runs extremely rough.
Steady but loud idle.
Replaced all plugs with motocraft plugs and new coils all around. No change.
Finally hooked it up to a computer and got random misfires, now it's saying
P0174 bank 2 too lean,
But it's bank ONE that's the only side misfiring.
Here are the freeze frame details:
Frame 1 Mod $00
MIL Status Off
Troub Code P0174
Abslt TPS 24.3%
Eng speed 1665
Baro PRS 71 kpa
Calc Load 100%
[Code].....
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Got an 07 Screw with only 50,000 miles. Yesterday, wife drove it home from work and said it would only do 45mph and didn't sound good. No warning lights were on, she said. I test drove it in the evening and it ran totally fine. Today, she drives it to work and said it ran real rough and "Check Engine" light was on. I picked it up from her work and it idles very rough and slow, and once you hit about 2000 rpm, it runs decent, maybe even normal. Below that, it stumbles and engine doesn't sound right. "Check Engine" light is either ON steady, or flashing. I don't have a code reader, so its likely going to the Ford Dealer Monday. Is there any way to read the code without a reader?
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2005 F-150 4.6L 2WD, 268,000 miles....
Recently I got a flashing 'Check Engine' light and a rough running engine (along with a tapping noise) when I was passing someone (and pulling a trailer). I retrieved codes 300, 304, & 305. I can't swear to it, but I think the tapping noise started at the same time as the coil problem.
I replaced coils #4 & #5 (later that same day) and the engine smoothed back out but the tapping noise is still hanging around. The noise speeds up at higher RPM's and doesn't go away if I shift into neutral. Oil level and pressure are fine and I only use Motorcraft 5W-20 and Motorcraft filters (and change the oil every 5K miles).
Not sure if this is relevant: I think I have bad valve guide seals (blue smoke after long idles) but no other problems that I am aware of. It sort of sounds like a lifter, but is there a good way to pin it down? Is it possible that this tapping is related to the bad coils?
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I took it to a mechanic, he just told me to sprayed some carb cleaner on the throttle body and butterfly valve, and to wipe it with a rag. He did not hook a computer to it, to diagnose. and he said if the light comes on again to buy a new throttle body... I am thinking of getting throttle body sprayer taking off the throttle body replace the gasket, and hope this fixes my problem. I forgot to change my air filter btw.
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I am usually on 6.0 site and don't know much about a 5.4 gasser, hope to get some tech info. My buddy was driving to my house yesterday and his 06 F-150 with a 5.4 liter just shut off while driving. He got it restarted on first try, all engine vitals normal. I sent him to Advance Auto Parts and they pulled codes; P-2112 and P-2104 and throttle actuator stuck closed. Engine is running fine and he has driven it about 100 miles since yesterday with no problems. 06 F-150 5.4 liter 58,000 miles.
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2005 Ford F-150 FX4 5.4 V8
So my battery died the other day when I was working on the radio and I ended up having to jump start the vehicle. After the jump start the Wrench light came on the truck or the ETC light. (After doing research I have discovered you are not supposed to jump start a vehicle with ETC)
I have taken the car to the auto parts store and it does not seem the code readers they have can read codes for the ETC light.
I have also disconnected the battery cable to try and reset the light, but it still always comes on about 10 seconds after starting the car.
I have had no issues with the vehicle despite the light. No rough idle, no starting issues, or acceleration issues at any speed. What I can do to resolve this light or what part I fried when I jump started the car?
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Had an issue with "check" engine light turning on and "cruise" control light flashing, intermittently. Dealer said we had dirty oil contaminating some solenoid valves in the system but we had just done an oil change and do so every 3-5K (car has 170K). They recommended switching around the sensors and doing an "oil flush" with another oil change. The warning light problem hasn't recurred, in the past month, since we started giving the gas cap a few extra turns after a fill-up. We're getting ready to buy a new car and don't want to give what might be a serious problem over to the next owner.
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The check engine light came on yesterday. 2004 with 115K. Auto Zone read the codes and they are as follows:
Definition:
Idle Air Control Valve control circuit.
Probable Cause:
Open or short circuit condition.
Poor Electrical Connection
Failed IAC motor
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My 3.0 with 216k miles has developed a rough idle and it progressively got better with new parts and cleanings. On startup it revs up to 2k then back down to 600. If I let it idle for about 8 or so minutes my Check Engine Light starts flashing. If I drive about for a little bit it stops and is just fine.
While the light is flashing I get codes P1000, P0305, P0306, and P0316. Which are OBDII Monitor Testing Not Complete, Misfire detected in Cyl 5, Misfire detected in Cyl 6 and Engine Misfire Detected on Startup (First 1000 Revolutions) respectively. Any other time the truck runs like a dream. Gets 20 city and 29.5 highway.
I cleaned my Mass Air Flow, replaced my Idle Air Control, SeaFoamed throttle body and vacuum lines, brand new coil pack, new wires, new plugs, new fuel filter, I've only ever run 91 octane, Chevron with Techron goes in at every oil change and B12 every other and I just ran 3 bottles of Lucas fuel injector cleaner.
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2004 f150 - Airbag light was flashing. Received recall letter. Dealer replaced a wiring harness. Dealer did not confirm functionality of airbag prior to leaving shop. Light continues to flash. New diagnostics from dealer says error code 1885 - the control restraint module needs replacing in P&L. Does the code match the fix? Can a novice mechanic replace the module?
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I just bought a 2006 Subaru forester with 130K miles. Recently, the check engine light came and at the same time the cruise control started flashing. I brought it to the mechanic who said I had a bad catalytic converter. The car seems to be running just fine and now a day later the engine light is off.
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My check engine light just appeared like an hour ago. In idle, it sounds like a big flicking V8 Supercharged (I actually feel the car vibrating) and I need to give it a LOT of gas to start in 1st. When I turn the key, it takes a while to start. It is flicking weird. I am dropping my car first thing in the morning, but somebody got that so far?! And the last thing I did before getting the light is reversing in a parking lot and parking my car. I have my car since december.
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I have a 2008 Santa Fe with 64341 miles on it. This past weekend we had it inspected at the dealer. Drove it home, in the rain/snow, and it sat in the drive way for a day while it was raining. This morning when I went to go to work, still raining, the check engine light came on and was flashing. Went to auto zone to get the check engine light code, the said that it was a P0303 which according to them was a misfire in cylinder 3. So I brought it to the dealer to leave it and have them check it out. On the way their the check engine light started to flash, when I walked in and told the service desk that they said that it was a catastrophic failure.
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I have been experiencing some issues with my '06 rio5 (same engine as your hyundais). this forum is way more active than the kia forums, so figured id give it a shot here.
I am experiencing a rough idle at start up while the car is low on fuel (<1/4 tank). it idles rough for a few seconds, the check engine light flashes a bit, and then it runs fine.
The car is an '06 rio5 with approx 19k miles on it, five speed manual. Also, sometimes after refueling and it will just shut off while waiting at an intersection. Not sure whether these two issues are related, but thought i would mention it just in case they were.
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I recently purchased an 06 f150 fx4 5.4L with 60K miles. Just recently my check engine light came on and I've noticed a slight rough idle in park. I took it to autozone and the code read P0422 evap emission leak. Bought a new fuel cap but didn't work... EGR valve?
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So mad today. Check engine light came on, plugged in my scanner, got P0441 EVAP Emission Control system Purge Flow Fault and P0455 EVAP Emission Control System Leak (Large).
8-month old '13 TCH XLE is getting a check engine light already.
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I have an '04 F-150 4 x 4 Supercrew Lariat w/ the 5.4 V-8. It has 105,832 miles on it. No issues until a week ago. Battery light and "Check Charging System" message appear 30 seconds after cranking the engine. I have replaced the battery (Ford Motorcraft), belt and alternator (Motorcraft 130 Amp). Still getting battery light and error message. I've read some post that indicate it could be a short in the fuse box.
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My mechanic can't find the problem. Engine light comes on. Along with the flashing cruise control. His diagnostic doesn't show him the exact problem as the voltage changes. He has checked everything related, changed out the bank 2 sensor 1 oxygen sensor, but can't find the problem. I don't know the diagnostic code. But he says that it doesn't give him an exact code. Can only the dealer do this? Car runs fine.
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I just got a check engine light today too! I wasn't sure if I should start a new thread but I found this one first so I'll see if I get any responses. Anyway, the diagnostic tool showed P2118: throttle actuator control.
I'm not sure myself if I should be worried especially since my wife and little one year old will be driving the SF long distance this week.
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