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Old 05-03-2014, 08:36 PM   #1
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Engine Trouble after Cleaning Engine Bay

Hello all!

I need assistance! My car had been running fine, but after cleaning my engine bay today, my car began to sputter pretty badly.

I plugged in a computer and got the following codes:

P0316- Misfire detected on Startup (first 1000 revolutions)
p0301- Cylinder 1 misfire detected
p2195- 02 censor signal stuck lean bank 1 censor 1

These were all new codes- the last time I pulled codes were two weeks ago and my car was fine.

After reading some solutions, I checked the distributor, the spark plugs, spark plug wells and wires for water, and all was dry. I also let the car sit for awhile to see if it would fix itself but all it did was continue to sputter.

Any help or ideas on what I can do would be much appreciated. Thank you!

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Old 05-03-2014, 09:09 PM   #2
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Could of sucked in water onto the MAF , they dont like getting wet

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Old 05-03-2014, 10:18 PM   #3
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Did you disassemble anything to do those checks?

Or check the wire connector for the O2 sensor?

Water gets into connections even if dry on the surface on occasion.

#1 plug could be fouled after "Missing" because of water that's evaporated by now, check the plug?
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Old 05-05-2014, 08:36 AM   #4
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Water gets past the spark plug boots if you spay on top of the engine. Take off your spark plug boots and see if there is any water by the plugs. See this thread: http://www.focusfanatics.com/forum/showthread.php?t=316116
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Old 05-05-2014, 09:43 AM   #5
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If I hose down the engine, I jack up the passenger side so the water doesn't pool on that end of the valve cover. Let everything dry and see what happens then.

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Old 05-05-2014, 11:08 AM   #6
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I'm glad to see Ford used their brains and designed a way for the well to drain. The well in the 2.3 DISI in the Mazdaspeed cars has a well with walls on all 4 sides. I killed two coilpacks just by washing the engine.
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