10-27-2013, 12:34 PM
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#1
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Registered User
Join Date: Sep 2013
Posts: 22
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P0301 Code - after spark plug tube replacement
Yesterday I replaced the Spark plug tubes on the right side of the engine.
After that the check engine light started flashing and it is running rough.
I bought a Actron 9125 code reader and I got the following (I may be giving superfluous info)
P0301 misfire
5INC
Mil On
Monitors
02 Sensor
O2 Heat
Catal
Evap
Sec Air
3 Ready
Misfire
Fuel Comp
I think the pertinent message is the P0301 misfire code.
I don't even know which is "cylinder one" - could it be the front right cylinder?
I do not think I damaged the coil, but it may not have plugged back on to the spark plug well. I do know that the connector came off on the front right coil so perhaps I didn't get it plugged back in correctly.
Also, I broke in half the top AOS tube (duct taped it so I could test run it) and wonder if that could have something to do with this.
Any recommendations are welcome!
Thanks.
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10-27-2013, 01:12 PM
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#2
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Registered User
Join Date: Aug 2009
Posts: 1,466
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Check the plugs are all seated tightly into the coil packs. Did you look at the coil pack when you had them out. There is a tendency for them to crack and ground out. It produces a week spark.
__________________
2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
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10-27-2013, 07:28 PM
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#3
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Registered User
Join Date: Jan 2012
Location: Orange County, CA
Posts: 68
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I had the same error code when I did my plugs and tubes.
My problem was that the connector wire to the coil packs were not tight. I had to make sure each of them "snapped in".
See the attached pic of the cylinders. Looks like it's the one closest to the passenger door.
__________________
2001 Boxster Guards Red
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10-28-2013, 05:08 AM
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#4
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jakesbox
Join Date: Apr 2012
Location: Charlotte NC
Posts: 759
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I was told this on one of my recent threads - By Jager. Which one is it then?????
2-4-6 on the left (US driver's side) 1-3-5 on the right (US passenger side).
__________________
2003 996 Twin Turbo X50, PCCB, polar silver / 2004 996 Carerra Cabriolet, midnight blue, cinnamon leather, IMS Pro / 2003 Artic Silver Boxster - Short Throw Shift, IMS Upgrade, Carerra Light Wheels, De-Snorked with Evoms Cold Air Intake, GHL Exhaust (Sold) / 2002 Seal Grey Boxster - Fabspeed Exhaust, Black powder coated wheels, Porsche stripes (Sold) / 2 -1957 356 A Speedsters (signal red and seal grey) (Sold) / 1989 944 Turbo (m030 S options)
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10-28-2013, 08:14 AM
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#5
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Registered User
Join Date: Jun 2013
Location: Austin, TX
Posts: 109
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I'm having problems after my tube/spark plug change last night. I'll have to keep an eye on this one. Mine mainly just smokes - no codes yet, but I've never let it warm up.
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10-28-2013, 10:20 AM
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#6
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Registered User
Join Date: Dec 2009
Location: Texas
Posts: 244
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I had similar problem but it was quite simple, I didn't fully push in the wire plug.
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10-28-2013, 05:51 PM
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#7
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Registered User
Join Date: Jun 2013
Location: Austin, TX
Posts: 109
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Quote:
Originally Posted by reiver
I'm having problems after my tube/spark plug change last night. I'll have to keep an eye on this one. Mine mainly just smokes - no codes yet, but I've never let it warm up.
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I reseated everything and mine is back to normal (or much better since the old plugs were fouled)...yay. Hope you get yours fixed quickly. I just did everything over again.
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10-28-2013, 05:53 PM
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#8
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Registered User
Join Date: Jun 2013
Location: Austin, TX
Posts: 109
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Quote:
Originally Posted by trimer
I was told this on one of my recent threads - By Jager. Which one is it then?????
2-4-6 on the left (US driver's side) 1-3-5 on the right (US passenger side).
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Did you figure it out? I can look it up in my book upstairs if you are still uncertain.
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10-29-2013, 04:09 AM
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#9
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jakesbox
Join Date: Apr 2012
Location: Charlotte NC
Posts: 759
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Quote:
Originally Posted by reiver
Did you figure it out? I can look it up in my book upstairs if you are still uncertain.
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Got it...thanks. I started another thread on it!
__________________
2003 996 Twin Turbo X50, PCCB, polar silver / 2004 996 Carerra Cabriolet, midnight blue, cinnamon leather, IMS Pro / 2003 Artic Silver Boxster - Short Throw Shift, IMS Upgrade, Carerra Light Wheels, De-Snorked with Evoms Cold Air Intake, GHL Exhaust (Sold) / 2002 Seal Grey Boxster - Fabspeed Exhaust, Black powder coated wheels, Porsche stripes (Sold) / 2 -1957 356 A Speedsters (signal red and seal grey) (Sold) / 1989 944 Turbo (m030 S options)
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