Cid $11 TID$41

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Hamfisted

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Are you getting any other DTC codes ? The TID refers to a test, and the Cid refers to the component the test is run on. Inspect the two hoses running to the DPFE sensor.




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Hamfisted

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P0304 .... a misfire on cylinder #4 ( farthest one aft on the passenger side....) . Check the sparkplug well for water, and inspect the coil and coil boot, as well as the sparkplug. Do you feel a misfire ?





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97expedition85
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I have changed the spark plug and the coil packs when I changed the intake mainfold gasket and I feel it some times and some times not
 

Hamfisted

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No leaks from the heater hoses just above that area right ? So no water getting on the coil or harness? Inspect the coil's harness and connector, make sure the coil plug clicks to lock onto the coil and no cracks or anything to short out. Do you have access to a smoke machine to look for possible vacuum leaks?
 
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97expedition85
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I have to look at the. Lines above it and. Then I look to see if I know any one. With a smoke machine
 
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