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Computer code P0340

Check engine light is on, hard to start & won't accelerate, changed the camshaft sensor but problem still persists

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  • Kia Master
  • 906 Answers

OK. It sounds like you have an issue with the wire harness. Disconnect the sensor and with a multi meter check for voltage on the wires. You should get up to 4 volts. DO NOT TOUCH WIRES WITH A TEST LIGHT. This will fry the computer. follow the wire harness throughout the car looking for a damaged ares and repair it.

Posted on Dec 19, 2014

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6ya6ya
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Posted on Jan 02, 2017

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davesmith_37
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SOURCE: P0340 Code Camshaft Position Sensor


The Camshaft Position (CMP) Sensor detects the position of the camshaft in order to identifiy when piston No. 1 is on its compression stroke. The CMP sensor is used for ignition timing in the Ford DIS igntion system, but not in the EDIS igntion system. Both DIS/EDIS use the CMP signal for synchronizing the firing of sequential fuel injectors.

On the 3.0L vulcan engine, the CMP signal is generated by a single Hall-Effect magnetic switch, activated by a single "vane" spinning around by virture of a synchronized shaft which is driven by the camshaft. 

The CMP sensor & synchronizer/shaft are located behind the intake manifold (i.e., back near the firewall on a Ranger) on the top of the cylinder block. If you just need to replace the sensor, it is a simple job of unplugging the electrical connector and removing the screws holding the sensor in place. Here is a sketch of the sensor to give you an idea what to look for:

Posted on Feb 27, 2009

  • 15 Answers

SOURCE: 2002 pt cruiser Camshaft Sensor

change the crankshaft positon sensor in the rear of the engine above the oilfilter. Also check the wiring to this sensor, they have a problem shorting out. You have to change the camshaft and crankshaft sensors at the same time. Make sure you give your car a major tune up. Did you check yor starter?.........runjoe

Posted on Mar 04, 2009

techbuster
  • 5081 Answers

SOURCE: P0340 Camshaft Position Sensor. How do I fix it?

http://www.youtube.com/watch?v=ve1XW5Ul8Os
please go the above link and you have a video procedure for how to change the sensor.
just do it and you are done to drive your car away.

Posted on Aug 09, 2009

mikestoys32
  • 37 Answers

SOURCE: Jeep is giving a code of p0340 which is telling me

go to autozones website they have free diagrams

Posted on Dec 02, 2009

  • 1 Answer

SOURCE: Check Engine Light, Code p0340, triggered by other accessories?

i have the code p0340 come up on my 2000 dodge intrepid, the check engine light comes on, and my car sometimes will take a few tries to start, does that sound like the camshaft sensor? how positive are you if it is?

Posted on Jun 21, 2010

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What are the probable causes of DTC P0340 other than a defective CPS?


Symptoms can include: Hard starting or no start
Rough running / misfiring Loss of engine power Causes
A code P0340 could mean one or more of the following has happened:
a wire or connector in the circuit could be grounded/shorted/broken the camshaft position sensor may have failed the PCM may have failed
there exists an open circuit
the crankshaft position sensor may have failed

Possible Solutions With a P0340 OBD-II trouble code,
diagnosis can be tricky at times. Here are some things to try: Visually inspect all the wiring and connectors in the circuit Check for continuity in the circuit wiring Check the operation (voltage) of the camshaft position sensor Replace the camshaft position sensor as required Check the crankshaft position circuit as well Replace circuit wiring and/or connectors as required Diagnose/replace the PCM as required

Read more at: http://www.obd-codes.com/p0340
Copyright OBD-Codes.com

May 06, 2016 | Nissan Maxima Cars & Trucks

1 Answer

Tcs light flashes and p0340 code


P0340 code means "Something" is wrong in the timing...
from CMP (Camshaft Position sensor) to the crankshaft bolt.

Very first thing, verify connectors are clean and shiny.
clear all codes, even hard codes.

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Nov 23, 2013 | 2005 Mazda 6

2 Answers

I keep getting a code P0340.Chrysler has reprogrammed the PCM for a long start issue.I cant seem to get anywhere with it.


P0340 - Camshaft Position Sensor Circuit Malfunction
This indicates that a problem was detected in the camshaft position sensor circuit. Since it says circuit, that means the problem could lie in any part of the circuit - the sensor itself, the wiring, or the PCM. Don't just replace the CPS (camshaft position sensor) and think that will definitely fix it.

Symptoms can include:
Hard starting or no start
Rough running / misfiring
Loss of engine power

Causes: A code P0340 could mean one or more of the following has happened:
a wire or connector in the circuit could be grounded/shorted/broken
the camshaft position sensor may have failed
the PCM may have failed
there exists an open circuit
the crankshaft position sensor may have failed

Possible Solutions: With a P0340 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:
Visually inspect all the wiring and connectors in the circuit
Check for continuity in the circuit wiring
Check the operation (voltage) of the camshaft position sensor
Replace the camshaft position sensor as required
Check the crankshaft position circuit as well
Replace circuit wiring and/or connectors as required
Diagnose/replace the PCM as required


Hope helps.

Apr 24, 2011 | 2003 Dodge Neon

1 Answer

2003 sebring 2.4l ck engin light on code po340 can you help


P0340 - Camshaft Position Sensor Circuit Malfunction

This indicates that a problem was detected in the camshaft position sensor circuit. Since it says circuit, that means the problem could lie in any part of the circuit - the sensor itself, the wiring, or the PCM. Don't just replace the CPS (camshaft position sensor) and think that will definitely fix it.

Symptoms can include:
* Hard starting or no start
* Rough running / misfiring
* Loss of engine power

Causes: A code P0340 could mean one or more of the following has happened:
* a wire or connector in the circuit could be grounded/shorted/broken
* the camshaft position sensor may have failed
* the PCM may have failed
* there exists an open circuit
* the crankshaft position sensor may have failed

Possible Solutions: With a P0340 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:
* Visually inspect all the wiring and connectors in the circuit
* Check for continuity in the circuit wiring
* Check the operation (voltage) of the camshaft position sensor
* Replace the camshaft position sensor as required
* Check the crankshaft position circuit as well
* Replace circuit wiring and/or connectors as required
* Diagnose/replace the PCM as required


Test it and keep us updated.

Mar 11, 2011 | 2004 Chrysler Sebring

1 Answer

I have a 05 Dodge ram 1500 90,000mi. and it start to bog and eng.light came on my codes were p0129-p0405-p0340-p0868 and pending codes were p0129-p0325-p0330-p0405-p0340. I had put a new map sensor in...


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.

Jan 30, 2011 | Dodge Ram 1500 Cars & Trucks

2 Answers

I have a diagnostic code 340 and 320 on a 1997 Jeep Cherokee. What might the problem be?


DTC P0340 - Camshaft Position Sensor Circuit Malfunction
Symptoms can include:
  • Hard starting or no start
  • Rough running / misfiring
  • Loss of engine power
Causes:A code P0340 could mean one or more of the following has happened:
  • a wire or connector in the circuit could be grounded/shorted/broken
  • the camshaft position sensor may have failed
  • the PCM may have failed
  • there exists an open circuit
  • the crankshaft position sensor may have failed

Possible Solutions:With a P0340 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:
  • Visually inspect all the wiring and connectors in the circuit
  • Check for continuity in the circuit wiring
  • Check the operation (voltage) of the camshaft position sensor
  • Replace the camshaft position sensor as required
  • Check the crankshaft position circuit as well
  • Replace circuit wiring and/or connectors as required
  • Diagnose/replace the PCM as required

DTC P0320 also have with this wrong.

Jul 13, 2010 | 1997 Jeep Grand Cherokee

1 Answer

In a Toyota Tundra v8 4.7l, after I change the Timing Belt, why does Check Engine comes on, and it shows Troubleshooting P0340.


Symptoms Symptoms can include:
  • Hard starting or no start
  • Rough running / misfiring
  • Loss of engine power
Causes A code P0340 could mean one or more of the following has happened:
  • a wire or connector in the circuit could be grounded/shorted/broken
  • the camshaft position sensor may have failed
  • the PCM may have failed
  • there exists an open circuit
  • the crankshaft position sensor may have failed
Possible Solutions With a P0340 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:
  • Visually inspect all the wiring and connectors in the circuit
  • Check for continuity in the circuit wiring
  • Check the operation (voltage) of the camshaft position sensor
  • Replace the camshaft position sensor as required
  • Check the crankshaft position circuit as well
  • Replace circuit wiring and/or connectors as required
  • Diagnose/replace the PCM as required

Feb 01, 2010 | 2000 Toyota Tundra

1 Answer

2002 pt cruiser Camshaft Sensor


change the crankshaft positon sensor in the rear of the engine above the oilfilter. Also check the wiring to this sensor, they have a problem shorting out. You have to change the camshaft and crankshaft sensors at the same time. Make sure you give your car a major tune up. Did you check yor starter?.........runjoe

Feb 04, 2009 | 2002 Chrysler PT Cruiser

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