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Old 05-09-2017, 08:57 PM   #1
vandammages
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Drives: yaris
Join Date: May 2017
Location: qc
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Misfire cylinder 3-4 yaris 2007

Hi Getting codes misfire cylinder 3-4 P0303 and P0304.
just on first start of the Day both of them same time.

replaced plugs.
swapped Coil with 1-2.. issue continues 3-4.
wiring looks ok..but need to re-check more in depth.. need wiring diagram,


what is common do these 2 cylinders.?

Fuel injectors? both failing same time?

any assistance appreciated.
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