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[4th Gen : 01-07]: '03 Caravan 3.3L surging....

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Old 05-02-2020, 02:14 PM
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Default '03 Caravan 3.3L surging....

Hi everyone--
New to this forum. Pulling a code of P0306....#6 cylinder misfiring....plug and wires look good....any other suggestions?.....thanks....
 
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Old 05-03-2020, 02:04 AM
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Perform a compression test and see if you are getting 140 to 160 psi. And maybe switch the number 2 plug with number 6 and see if the misfire follows the plug.
 
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Old 05-03-2020, 01:34 PM
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thanks master tech....compression is 150psi......plug has plenty of spark.....I did the stethoscope test on the base of the injector with a long-handled screwdriver to my ear....pin is clicking nicely....I'm now thinking it might just be a clogged injector......might consider an injector cleaner.....any recommendations?
 
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Old 05-03-2020, 01:44 PM
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I would ask one at the part store you go to and ask then for the best one they have and maybe get a price on an injector just in case.
 
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Old 05-03-2020, 04:01 PM
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Thanks master tech....I'm not so sure I trust the employees at my local Auto Zone.....is there any FI cleaner that you like?
 
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Old 05-05-2020, 01:50 AM
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Then go in and pick the you like, I'm sure they all are about the same. You will add to your fuel tank. Maybe STP?
 



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