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William
William 8/9/2012
1999 GMC Savana 2500 Base 8Cyl5.0L - Transmissions & Drivetrains
Can a bad Catalytic converter make you get a P0340, P0341 code? Runs sluggest, idles rough
I got 194789 miles on it, changed the cam sensor 3 times, and had a new TCC solenoid, and wiring harness installed, installed new spark plug wires and plugs.
Does run rough when it warms up, and the catalytic converter raddles like something is broke inside it
1 Answer
  • Jimm
    Jimm 8/9/2012
    Trouble Code: P0340
    No Camshaft Position Sensor Circuit Failure

    Possible Causes:

    CMP Sensor connector is damaged, open or it is shorted
    CMP Sensor signal circuit is open or shorted to ground or to battery voltage or 5v supply circuit
    CMP Sensor 5v supply circuit is open or shorted to ground or to battery voltage
    CMP Sensor ground circuit is open
    CMP Sensor is damaged or has failed
    CKP Sensor is damaged or has failed
    PCM has failed

    P0341 = Camshaft Position Sensor Circuit Range/Performance
    Here are the possible causes of P0341;

    •Bad electrical connection at the camshaft position sensor
    •Damaged reluctor wheel
    •Defective camshaft position sensor
    •Defective crankshaft position sensor
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