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I have a 2004 dodge ram 1500 5.7 with electronic throttle control issues (at least that light comes on or flashes when it messes up). Keeps going into limp mode or won't start. Had a guy come out and scan for error codes. Here are the codes: P0129 P0340 P0403 P0652 P2127 Sometimes it fires right up and runs perfectly for about 10 minutes and then goes right back to limp mode after it warms up. High & rough idle & no response from gas pedal. I replaced throttle body which has throttle control attached to it. Didn't fix. Mechanic thinks its a bad PCM, does that sound correct?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

motor1258
  • 6674 Answers

SOURCE: idle up and down to 1500 rpm at first start when cold

Have you by any chance taken a multimeter & tested your TP (throttle position) sensor ? If you think you might know how, let me know & we'll guide you through it. If not, at least take wiring plug off & clean both plug & TP sensor contacts with contact cleaner, and inspect for any corrosion while doing it. When putting plug back on, use a little di-electric grease in the connection. Have you sprayed your throttle body & throttle plate good with throttle body cleaner recently?

Posted on Nov 24, 2008

  • 29 Answers

SOURCE: Issue with throttle control on my 2003 Maxima

I discovered that its the throttle body sensor. Its not sensing the postion of the foot pedal. The throttle body has a sensor that is linked to your gas pedal via a cable. The spring that the repair man mentioned could be the issue. The sensor then communicates to the computer the position and then computer then applies fuel, the mass air sensor then will communicate to the computer and the computer will then allow more or less air to fuel ratio. So if your stomping on the gas and there is not any response, then your throttle body sensor is most likely going out.

Posted on Feb 02, 2009

  • 412 Answers

SOURCE: 1998 ram 1500 5.9 gas rough idle,hissing sound from air filter

SHOWING MISFIRES ON SCAN TOOL?IF NOT,ENGINE CONTROLLER HAS NOT LEARNED MISFIRE MONITOR..WILL HAVE TO BE DRIVEN A BIT FOR RELEARN..IF YOU CAN SEE MISFIRES..MISFIRING ON MORE THAN 1 OR ALL CYLINDERS?CHECK UNDERSIDE OF IGNITION COIL FOR CRACKS..IF NOT CRACKED,YOU MAY HAVE A FAULTY CRANK SENSOR..ANY CORRODED PLUG WIRES AT DISTRIBUTOR CAP?ALSO CHECK IF ANY OIL PRESENT IN INTAKE MANIFOLD..GASKET ON BOTTOM OF INTAKE MAY BE BROKEN CAUSING AN INTERNAL VACUUM LEAK

Posted on Jun 22, 2009

samtoler
  • 666 Answers

SOURCE: 1996 Dodge Ram 1500 4x4 5.2L engine. Truck stalls

idle air controll motor is bad

Posted on Jun 18, 2010

protuha
  • 208 Answers

SOURCE: I have a 05 Dodge

P0340 is for camshaft position sensor circuit malfunction so the problem can be in you hav already changed sensor, then you need to check wiring from sensor to ecu and if the wires are ok than check the ecu! It can be either of them cousing the problem.

Posted on Jan 30, 2011

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2004 Dodge Ram 1500 Problems - RepairPal

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Problem with your 2004 Dodge Ram 1500? Search our list of user submitted and RepairPal verified problems and issues.

Jul 28, 2015 | 2004 Dodge Ram 1500

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Electronic throttle control location in a dodge 1500 4.7 2008


My truck won't start after it shutdown on me due to over heating on me. When I turn the key the ETC light comes on and the check engine light as well. Any clue?

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How to fix electronic throttle control on 2004 dodge ram 1500


You need the engine control system scanned to see what fault code is in memory for this problem once you have the fault code you do diagnostics to determine which part or parts are failing. I warn you don't guess all the parts (with few exceptions) in the electronic throttle control are very expensive.

Jun 20, 2017 | 2004 Dodge Ram 1500

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The electronic throttle control light is flashing in my 2004 1500 5.7 Hemi truck, won't accelerate but does turn on, where should i start?


The 1st thing that MUST be done is to have the electronic engine control system computer (called the "PCM") scanned for fault codes, this gives you the starting point for diagnosis od why the warning/fault light is on. You can get the scan for fault codes done for free at any Autozone or similar discount auto parts store in your area. Aamco Transmission does the scan for free as well.

Nov 13, 2011 | 2004 Dodge Ram 1500

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My 2003 dodge ram 1500 5.7 hemi has the engine light come on then the fuel gage went to E next the electronic throttle control light come on flashing. After the etc light came on i had a loss of power. I...


I had the same problem with my, 03, hemi. I did not wait 15 min. turn off and back on was all that was needed to reset, "red flashing light lower right hand ". though another 8 or 9 on off's, Engin Light also goes off, untill next time. All i did was pulled off my Air Intake box and hose, so i could get to butterfly on throttle bodie, sprayed carb cleaner in there. and it was very dirty. after put back togather, give it a few.... mine did not start right up, when it did idle real ruff even died few times...Once the computer re adjusted ran like it did when i bought it....that was 2 weeks ago, still no eng light, no flashing red ones either.

Jul 13, 2010 | 2004 Dodge Ram 1500

1 Answer

I have a 04 dodge ram 1500 the throttle control light went on and now the truck runs but doesnt move is this something i can fix or do i need to take it to a dealer >?


If you have the 5.7L engine then you have the electronic throttle control system on this. What has most likely happened is that either the sensors don't agree between where you would like the throttle to be at and where it actually is or the throttle isn't opening or closing the throttle plate properly. There are a few other things that can go wrong but whenever any type of problem like this happens the system will go into a default mode and won't allow the throttle to move other than to let the vehicle start and idle. You'll most likely have to go to the dealership or a good repair shop that can hook up to the system and figure out which component has failed. Hope this helps get you back on the road!

Jun 21, 2010 | 2004 Dodge Ram 1500

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Electronic Throttle Control


I had same problem on mine. The wire harness under the throttle body cover rubbed and was cut in two. If you remove the cover and unplug the etc you can feed the harness under the plug wires to inspect them.very common problem on this vehicle.

Jun 01, 2009 | 2004 Dodge Ram 1500

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2004 Dodge Ram 1500 5.7 Hemi Quad won't start in morning


could be that the electronic throttle could be icing up. just remove the air cleaner and have someone cycle the key. the throttlebody will cycle prior to starting to do a self check. chrysler has a tsb out for this concern. tsb # 14-002-05

Jan 05, 2009 | 2004 Dodge Ram 1500

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I took my 2004 Dodge Ram 1500 5.7L Hemi to a mechanic that works from a garage at his home, recommended by a friend of mine. He removed and cleaned the throttle body and sensor(s?), then reinstalled them, and then disconnected both battery cables and held them together for 2 minutes so that the engine controller could reboot with the factory default settings, then reconnected them. I had bought a can of throttle body cleaner on my way over to his house for about $3.00. He charged me $40.00 for the job. This was done mid-February, about 10 weeks and 2500 miles ago. So far, the problem Has Not happened again, the truck has been running great!

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