Cylinder 1 and 6 misfire

50

Asked by GuruPSWV May 05, 2017 at 08:47 AM about the 2000 Ford Taurus SE

Question type: Maintenance & Repair

I have a 2000 Ford Taurus se 3.0l ohv I replaced
spark plugs, wires, fuel injectors, alternator, coil
pack and after about two three months it has a
misfire on cylinder 1 and 6 so after weeks of trouble
shooting I found 2 vacuum lines that were not
Getting vacuum I traced them back to a egr
pressure regulator I changed it out and got my
vacuum back but I still have the misfires and there
were two more lines not getting vacuum I traced
them to a evap vacuum solenoid I changed it out
and I still have no vacuum
To those two lines and a bad misfire please help
there is nothing left that can be wrong I have fuel
compression and spark the mass air flow sensor is
good I have ran out of options

4 Answers
50

GuruPSWV answered 7 years ago

The only codes I get are cylinder 1 misfire and cyldiner 6 misfire

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Hornet_2497 answered 7 years ago

I would be suspicious of a bad coil pack even if it is new. Cylinders #1 and #6 are actually fired (sparked) by the same coil. Your coil pack is a set of three coils and two cylinders get spark in unison even though they are on their power stroke at opposite times. In this case #1 and #6 are getting nothing. So test for spark at the coil pack for those two cylinders. I bet that part of the coil is dead. I hope this helps.

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GuruHSLGF answered 4 years ago

Hello, Just wanted to know if you ever resolved the issue and what the answer was? I am having the exact same issue with a 2000 Ford Taurus 3.0. I have also changed and checked all of the same parts you did, plus I switched out the brain (PCM). Was it actually the gas cap?

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