Question about 2006 Dodge Ram 1500

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ENGINE KEEPS SHUTTING DOWN

FOUND THE FOLLOWING CODES IN THE DASH:
S 121
. 282
C 447

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  • jwolf368 Dec 23, 2008

    Engine is idleing irratically.Anymore ideas?

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  • 88 Answers

MAP SENSOR/AIR FLOW METER/

Posted on Dec 23, 2008

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No buS after complete engine shutdown. Has previously had difficulties with shutting down only to re-start when keyed.


After doing a lot of reading on bus errors in Chrysler models, I've found that Chrysler did a lot of changing/upgrading between the 1980s when the CCD (Chrysler Collision Detection) bus was introduced and 2005, when most models were switched to the CAN (Controller Area Network) bus system. In between those two, from 2001 through 2004 for most models, they used the PCI (Programmable Communication Interface) bus system.
With the older CCD bus system, apparently many NOBUS errors could be corrected by changing the crank position sensor, as it was one of the signals carried by the bus. Or it could be corrected by changing the PCM or instrument cluster.
For the PCI system, ALL controllers with microprocessors (PCM, TCM, BCM, instrument cluster, anti-lock brake controller, air bag controller, keyless entry, sound system, etc) are linked to the PCI bus. So a NOBUS error message in the odometer only says that there is a communication fault in the bus; it can't tell you which module/microprocessor is not working properly or if it's a wiring error. Changing out the PCM may correct the problem since the PCM is the 'dominant' module, but no guarantees.
Reading forums and other web sites regarding this issue, the prevailing advice is to use a DRB scanner capable of communicating with the different modules to see if they are all communicating properly. But it seems that the fault most often lies in a poor ground connection or damaged wiring or connectors.
If your local mechanics are stumped, find one (or go to a dealer) who can do troubleshooting of all modules with appropriate scanners. It may be a quick fix, but you'll have to invest in the expertise of someone who knows what to look for and how to diagnose it.

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How to clean the carburetor of Honda Wave Dash 110R?


Brake clean and a toothbrush. Clean as best you can especially around where the throttle plate sits.

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1 Answer

I have a 03 pt cruiser turbo. For the past 10 mos the car engine light comes on and then is misfires on 2 cylinders. I have had the crank sensor replaced 3 times, cam sensor 3 times, map sensor, harness...


I don't profess to be able to solve this over this keyboard. But push come to shove I would replace the coils that are setting codes. As far as the dealer goes unless they can confirm the problem they will write NPF (no problem found)

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1 Answer

Shutting off


You have a check engine light on

We have been checking for codes for the last
30 years, the day one of those lights on the dash

Then have a shop diagnose the codes,find the fault & repair

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1 Answer

PO171 and PO174 on Ford lightning


with all the stuff you have done you have not done this. cleaned out the intake and idler. cleaned out the low intake line on the intake. also any changes to ecu codes mean that every thing has to be in working order as the ecu changes it codes to suit engine maintenance. then over time it settles down. all updates to use code should be done on clean engine.

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1 Answer

Dash warning symbol


I consider it to be an engine light The engine light is telling you that the CPU has found sensor/s outside set parameters during the checking process. Have the fault codes read before wasting time and money guessing what has failed. Replace with
genuine items only as aftermarket units are not always compatible with the settings in the CPU.

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1 Answer

Why would my car keep shutting off?


if the crankshaft sensor code is first have the sensor replaced this should fix the problem

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1 Answer

My car is turned off- but i notice a yellow light is flashing on the dash-what is that?


Probably the check engine light or service engine soon light, indicating a fault code has occurred shutting down the engine. Recommend you get it scanned at a large parts retailer or dealership to better diagnose the trouble code. There are hundreds of different codes and hundreds of different causes for a stalled engine.

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2 Answers

My 1993 bonneville keeps shutting off when i come to a stop! help please!


Could easily be a vacuum leak or a faulty throttle posiiton sensor. Is your check engine light on? If so, I would have the engine codes read to pinpoint exact problem locaiton area.

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How to turn service lights off


get the codes read,get the throttle body update (free from volvo) done,reset service by holding odometer button done and turn on key till lights come on dash and what approx 5 second release and turn off key ,you may need to do it again until it works

Aug 25, 2008 | 2002 Volvo V70

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