Question about 2005 Dodge Caravan

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Codes PO16 and PO0344, set at same time, vehicle had no power. Reset with key start. Cleared codes, did not come back at idle, have not driven again.

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  • 155 Answers

Sounds like camshaft sensor you need to drive it to see if it will come back a lab scope would help you al;ot

Posted on May 08, 2010

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Give a direction to start testing


Hello,
I do a LOT of electronic work on these dodge's, among many other vehicles. Are you getting any codes currently? If so please list them for me to go over for you. Also, you can disconnect the pos. and neg cables and hold them together for 3 to 5 minutes, this is called a hard reset and will reset any learned values/codes/parameters the vehicle has learned. Should do away with the limp mode assuming there is no other issues in the vehicle.. Finally, any after market wheels or tires? please advise

Jun 25, 2015 | 2008 Dodge Avenger

1 Answer

Ok here I go again. I have a 2006 nissan altima 2.5s. I took it to a shop a few months ago for inspection. It failed. After having it diagnosed they said it was the down stream sensor. The code I was...


Real simple

None of the shops you went to,
know how to diagnose a vehicle

I think your statement about one monitor,
is the evap system ,because they can test
the gas cap,the others have to run clear,
at least in New Jersey

Almost seems like the people that come to this site

Your shop just throw parts at the codes & no testing
to find a problem

If the problems are solved, you don't have to clear the codes

Clearing the MIL Lamp or check engine light, clears all data,
emission monitors,& freeze frame data set at the time fault
codes are set,so you got nothing to work with to find a problem

So never clear fault codes after a repair,let the monitors do their thing

All sensors are aftermarket sensors-so that is nonsense

That should have been a clue to forget that shop

The same companies make sensors for everyone,
new vehicle or used

Vehicle manufactures stamp sheet steel & make bodies
& assemble purchased components only

Nov 03, 2014 | Cars & Trucks

1 Answer

How to diagnose timing belt verses cam sensor wont start and sounds funny when turning over


If it sounds like it has no compression I would vote for the timing belt. Code 16 is for the cam and crank sensors being out of sync, and code 340 is no signal from the cam sensor. Which would happen if the cam is not turning.

Feb 10, 2014 | Cars & Trucks

1 Answer

Got trouble code p0125. Car starts then idles way low then climbs back to regular idle. What is the problem?


I have a 96 Towncar, which had a P0125 trouble code set. I changed the thermostat and cleared the code - only to have it reset in a couple minutes after starting. The car was hard starting, and died several times before it actually ran. I did also noticed that while running the idle speed had risen to over 950 RPM.

I changed the Temperature sending unit located next to the thermostat housing, and again cleared the code. After starting the car again it performed excellently and did not reset the P0125 trouble code.

Jan 02, 2012 | 2001 Lincoln Town Car

1 Answer

I keep hearing that I need to find and pull fuse 14 on my 96 subaru legacy 2.2L to try and reset the AT Oil Temp light that is flashing at start-up. The lid is missing, so I have no idea where this fuse...


Yes that is right:

Current trouble codes shown on the display are cleared by turning the ignition switch OFF after conducting self-diagnosis operation. Previous trouble codes, however, cannot be cleared since they are stored in the ECU memory which is operating on the back-up power supply. These trouble codes can be cleared by removing fuse 14 (located under the right lower portion of the instrument panel).

  • The No. 14 fuse is located in the line to the memory back-up power supply of the TCU and ECU (MPFI). Removal of this fuse clears the previous trouble codes stored in the TCU and ECU (MPFI) memory.
  • Be sure to remove the No. 14 fuse for at least the specified length of time. Otherwise, trouble codes may not be cleared.
When the Engine Control Module (ECM) , battery terminals, etc. are disconnected after memory is cleared, idling speed may increase. This is not considered a problem because the ISC Valve duty controlled learning value has been cleared. To return the engine to idling speed, idle for approximately 2 minutes with air conditioner "OFF".

Here is fuse #14 loc in panel Now its hard to see, but they go from the top left from 1 - 7 then it repeats for the next row 8 - 14. SO 14 is 2nd row from the top last one on right side.
118890618 118890619

Mar 09, 2011 | Subaru Legacy Cars & Trucks

1 Answer

What does the code p1734,p0780 mean and how do i slove it


P0780 Automatic Transaxle Malfunction (With Automatic ...


























P0780 Automatic Transaxle Malfunction - With Automatic Transmission





Possible Causes


Setting Conditions







  • Mechanical problems present in the automatic transmission can cause this code to set. See the note below.


  • Refer to the repair instructions in a transmission repair manual or the information in other electronic media to repair this code.




Engine running; vehicle driven at Cruise speed, and the PCM detected a problem in the mechanical operation of the automatic transmission. Note: This trouble code (P0780) sets with along with several TCM related trouble codes.he





Malfunction Indicator Lamp

The Malfunction Indicator Lamp (MIL) alerts the driver that the Powertrain Control Module (PCM) has detected an OBD II emission-related component or system fault. When this type of malfunction occurs, an OBD II Diagnostic Trouble Code (DTC) will be set by the PCM. The MIL is located on the instrument cluster and is labeled CHECK ENGINE, SERVICE ENGINE SOON, or is identified with an ISO standard engine symbol (i.e., a picture of an engine).

Bulb Test

Each time the ignition switch is turned to the "on" position, the MIL indicator is illuminated for about 3 seconds (which is a function of the PCM).

Readiness Codes

To check if the Readiness Codes are set to complete, turn the ignition switch "on", but do not start the engine. The MIL will come "on" for 15-20 seconds. If it then goes "off", the Readiness Codes are set to complete, If it flashes five times, one or more of the Readiness Codes are not set to complete. To set Readiness Codes from incomplete to complete, perform the drive cycle procedure for the appropriate code.

MIL Lamp-On Message

Each time the PCM detects an Emissions related fault, the MIL is illuminated to inform the driver that the vehicle needs to be taken in for service.




COMPONENT MONITOR DRIVE CYCLE INSTRUCTIONS



  • Do not turn off the ignition switch during the test procedure.


  • All Onboard Diagnostic Monitors are cleared when the battery is disconnected or when the Powertrain Control Module (PCM) is cleared with the Scan Tool.


  • This drive cycle can be used to determine if the Readiness code for this Monitor will run and complete, and if the MIL will remain off after the vehicle is driven.


  • Operating Ranges: When a range of values is provided, try to operate the vehicle in the middle of the range. For example, if the vehicle speed range calls for 45-55 mph, drive the vehicle as close as possible to 50 mph. If the engine speed should be 1,000-2,000 rpm, try to operate the engine at 1,500 rpm.


  • Scan Tool Data: There are certain Parameter Identification (PID) values that must be within range before this Monitor will "run". It can be helpful to pull up those PID items on the Scan Tool so an assistant can view them during testing.


  • The Readiness code for this Monitor defaults to "continuous" or "monitoring" because this Monitor runs continuously when the engine is cranking or running.




COMPONENT MONITOR PRETEST CONDITIONS



  • MIL is off.


  • No Emission related DTC's are present.




TEST PROCEDURE



  1. Connect the Scan Tool to the data link connector (DLC). Use the Scan Tool to clear any stored DTC's and to reset the OBD Monitors.


  2. Start the engine and allow it to run at idle speed for 15 seconds.


  3. Accelerate at part-throttle to 40 mph and maintain that speed for several minutes. Bring the vehicle to a stop, and then allow the engine to idle with the transmission in Drive (in Neutral for M/T) for 15 seconds.


  4. Then accelerate at moderate throttle to 50 mph and maintain that speed for 15 seconds. Bring the vehicle to a stop, and then accelerate to 40 mph and maintain that speed for 15 seconds. Bring the vehicle to a stop and allow the engine to idle for 15 seconds. Repeat this step at least 5 times.


  5. Check for any Pending codes in the Generic OBD II section of the Scan Tool. If no Pending codes are set, the Component Monitor test is complete. If any Pending codes are set, refer to the appropriate trouble code repair information to make the repair.

Sep 02, 2010 | 2004 Honda Accord

1 Answer

94 explorer v6 starts fine 'cold' after running...won't start unless gas peddle is pumped then idle races and continues to race when idling.


The check engine light should be on if it's doing this. The codes I expect will be for the coolant temp senser and also the coolant level or real temperture is wrong (as maybe the therostae doesn't let the motor fully warm up. Lots of other engine control codes can be in the system too as it needs to be recordeed reset driven until the light comes back on then tested for codes again to se whitch one came back first and then fix the problem that that codes reports

Dec 05, 2009 | 1994 Ford Explorer Limited

2 Answers

Lack of power and rough idle


Is your "check engine" or "service engine soon" light on? Lacking power is usually an emission system problem, for instance possibly a bad EGR valve or mass air flow senser. O2 sensers are common to fault but normally doesn't cause power loss usually causes alittle rough idle. Could even be a pluged catalic converter to. have the truck plugged into a scanner, that will tell you the trouble codes and fault info.

Jun 20, 2009 | 2000 Chevrolet Tracker

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