Question about 2004 Dodge Grand Caravan

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2004 Dodge Grand Caravan engine light on, missfire

2004 Dodge Grand Caravan 3.8 engine light on, missfire and trouble code P2308 coil #3 low ionization. Need help troubleshooting where to look or is this a ecu problem.

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  • carter1rj Sep 17, 2009

    I forgot to add I have checked connections at coil and all plug wires and replaced plugs, it needed them... I would love to find a wireing schematic to check wireing from connectors to pcm. Thanks all help.

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That is a code for the secondary (spark) circuit on cylinder number 3. It is usually caused by a bad connection between the coil and the plug (take the coil off the plug and check for moisture in the boot). If not, it might be a bad coil...

Posted on Sep 17, 2009

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2004 caravan 3.3 OBD code P2308 ignition coil "C" secondary circuit ? No spark to cylinder 6 & 3 ? plugs & wires good & new coil pack ??


This code could also mean the transistor inside the engine computer is fried . New PCM/ECM needed .

P2308 Dodge Description The current flow, or dwell, through the primary ignition coil is controlled by the Powertrain Control Module (PCM) by providing a switched ground path through the ignition coil driver to ground. When the ignition coil driver is switched on, current rapidly builds up to a maximum value, determined by the coil inductance and resistance. When the current is switched off, the magnetic field collapses which induces a secondary high voltage surge and the spark plug is fired. This high voltage surge creates a flyback voltage which the PCM uses as a feedback during the ignition diagnostics. The PCM continuously monitors the ignition system for concerns. The P2308 code sets when the PCM detects a short to voltage in the circuit.

Videos on youtube for testing Computer drivers . Chrysler Pacifica misfire codes p2308 p0303 Doesn't matter this a chrysler . Dodge , Chrysler and Jeep , samething

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Dtc Code P2314


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Aug 13, 2008 - 2002 Dodge Intrepid 6 cyl Front Wheel Drive Automatic 130000 miles. Getting the following codes. P0353 P2302 P2305 P2308 P2311 P2314

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What does the Error Code P0846 on 2002 Dodge Intrepid mean? .... Trouble code P2314 means: Ignition coil E, secondary circuit - malfunction Trouble code .

Oct 29, 2015 | 2002 Dodge Intrepid

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P2308 error code


Check the input might be computer related on some caravans the coil pack is devided in section and the wire har?ess has a switch effect. The computer could be sending wrong signal.
What does the coil pack look like does the wires come straight up or do they go to side also what does the connection look like how many wires is it square or long

Aug 19, 2015 | 2004 Dodge Caravan

1 Answer

2004 dodge grand caravan. check eng light.. rotated key on and off 3 times seen code 0073 where mileage would of been then dotted lines then the word done...??


Trouble Code: P0073


Ambient Temperature Sensor Circuit High Input

Possible Causes:


AAT Sensor signal shorted to VREF (5v) or battery voltage

AAT Sensor signal circuit or Sensor ground circuit is open

AAT Sensor is damaged (it may be open)

PCM has failed

Aug 27, 2009 | 2004 Dodge Grand Caravan

2 Answers

2005 Dodge Grand Caravan codes P0456 and P0303. Engine light on. Changed Gas cap. Need to pass inspection. Please help with diagnosis.


p0456--emission control system leak(verysmall) leak, check all hoses to emission controls, cylinder 3 missfire detected. could be plugs, wires, or coil.this is code p0303,

Jun 04, 2009 | 2005 Dodge Grand Caravan

1 Answer

2004 Dodge Grand Caravan Water pump


If it's red, it's transmission fluid. Coolant would be green. Check the fluid level, don't let it get low, Chrysler minivans are prone to transmission troubles, and low fluid levels over time will ruin a a transmission. And be sure not to overfill, it's just as bad for the trans. Have the leak checked out and repaired, good luck

Oct 21, 2008 | 2004 Dodge Grand Caravan

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