Question about 1996 Ford Windstar

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Sorry typo the code is po340

The eng code is a po340 cam position sen a bank one. other tip eas helpful i found 2 bad wires

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  • mnm1973 Jul 15, 2008

    no the problem is still there

  • mnm1973 Jul 15, 2008

    the problem with the cam sencer is still there and doing the same thing

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Hi

Ah! you posted P0304!

I assume the two bad wires were the problem?

Very best regards

Geordie

Posted on Jul 15, 2008

  • Steven Adams
    Steven Adams Jul 16, 2008

    Hi



    In that case, you need to check the crank sensor circuit in the same way you checked the cam sensor circuit, because a faulty crank sensor or crank sensor circuit can also cause a cam sensor code to be thrown.



    Make sure both sensors are receiving a supply voltage.



    Unfortunately, a faulty PCM can also cause sensor circuit codes to be thrown.



    Very best regards



    Geordie

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I have a PT 2010 & the diagnostic codes are PO340, PO344 and PO325. mechanic is suggesting replacing the cam shaft post sensor & didn't even mention the knock sensor. Am I dealing with 1 or 2 issues


you are dealing with 2 issues
code p 0325 refers to knock sensor (KS) 1 bank 1--circuit malfunction ====causes ---wiring ---poor connection ---KS
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check wiring and connections before replacing the CMP as the wiring may be the cause of all the codes

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Whst is code PO340


bad news
those is the main /cam sensor
if fail hard, engine stalls, no spark
which engine, 4.0liters?
wrangle TJ
chapter 21 (dtc pages)
cam single dead or dropping out 1 to 10 times
it does give early warnings. (can)
check wires to it.
chapter 8d
free fsm TJ
http://www.morris4x4center.com/knowledge-base/index.htm?utm_source=cj#service




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2005 Cadillac won't start. no ignition fire. codes po300,po014,po340,po341, po345, po346, po420, po430, po171, po174


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codes p 0420, 0431 refer to the cat converter=== causes --cat converter failed ---wiring --- HO2S ( heated oxygen sensor)
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My 03 Ecl Spy GT didn't pass CA smog test? OBD II and OBD Bulb check. Ser Fault Codes: P0136- P0141-P0431-P0455.


I'm sorry you replaced the parts without testing first. Codes only give mechanics a suggested area to test, not which components to replace.
Since you replaced the O2 sensor for the first two codes, a mechanic will need to check to see if it is working by reading the data flow from the sensor with a scanner while the engine is warming up. The catalytic converter will also need to be tested to troubleshoot code 431.
Code 455 is for a leak in the evap system which is what vents the gas tank to the vapor canister. The system will need to be pressure checked for leaks and then repaired.
Keep in mind, once the repairs are made and the codes erased, the car will need to be driven at least 100 miles in various conditions before you re-test.

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Got no spark at coil or plugs had coil tested told me I was good gave code po340 cam sensor replaced distributor crank sensor plugs wires replaced pcm relay still wont start getting plenty of gas good...


DTC P0340: Camshaft position sensor A circuit (bank 1 or single sensor). Probable cause:
1. Sensor or solenoid faulty (repacement could be ng)
2. Connector terminal contact damaged or corroded
3. Wire harness fault. Check for correct voltage, open, short to ground, short to voltage
4. Control unit software needs updating
5. Faulty PCM or ECM

Mar 04, 2015 | 1996 Nissan Quest

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Po340 code came up on my 1997 sebring 6cyl 2.5 what are the possible causes


The code is for a problem with the cam sensor for bank one.
The sensor and circuit would need to be tested.

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Camshaft position sensor a circuit bank 1 or single sensor 03 trailblazer p0340


for the code po340 go to this site it will help you out. obd-codes.com/po340

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I have a 2000 chrysler concorde that the engine light just popped on - the error codes are po302, po420, po340


P0302-cylinder #2 misfire detected
P0420- catalyst efficiency below threshold bank 1
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The Cam sensor most likely needs to be replaced first. Clear the codes after that and drive and see what comes back on.

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Error code po340 for a 2002 hyundai elantra


Here is what I could find on your P0340 error code:
CausesA 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 SolutionsWith 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
Sounds like since you have replaced both the camshaft and crank shaft sensors you need to look at the PCM.  Go down the line of possible solutions and don't replace the PCM unless nothing else works obviously.  I hope this helps but it looks like you are looking at getting a new PCM.  Good luck.  Thanks for rating my response and for using FixYa!

May 27, 2009 | Hyundai Motor 2002 Elantra

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