I can has your code knowledge pleeze...

Category now locked, topics will be moved. Please post in the appropriate make and model category.

Moderator: Mikewire

I can has your code knowledge pleeze...

Postby squabeggs on May Mon 17, 2010 7:21 pm

Everyones favorite little light came on today! MK4 2.0.

codes (from an OBDII scanner cause i have no vag-com) = p0351 and p0354
coil crap...no real symptoms...slight cough on idle, but pretty rare. I'm hoping maybe I just need new plugs cause I couldn't tell you the last time they were changed. (Moved like 5 months ago, and still cant find anything...like my maintenance records...)

So I'm looking for reassurance that it is most likely old crappy plugs...suggestions on new ones to get for a MK4 2.0 Jetta...and any other things to check.

And since i cant find anything in my "My Documents" pile... what is the proper plug gap and torque for re-install? (I'm gonna change em anyway...even if that is not the cause of the codes.)

Thanks for the input. I can always count on the bigskyeuro...unlike the flaky tex as of late...
Bags are for groceries.
User avatar
squabeggs
In the trunk...

In the trunk...
 
offline
 
Posts: 250
Joined: Feb Thu 12, 2009 9:41 am
Location: SL,UT
Vehicles: 2001 VW 2.Slo Jetta CEL-Wagon

Re: I can has your code knowledge pleeze...

Postby Mikewire on May Mon 17, 2010 11:31 pm

P0351 refers to Ignition Coil (A) Cyl.1 Prim./Sec. Circ Malfunction, and P0354 is the same, only refers to cyl. 4.

So, I would check for cracks or loose connections on the coil first, then move to the wires, and replace the plugs. In my MKIV I always ran NGK coppers and replaced them every other oil change - just the OEM NGK plug, nothing special.

2015 Audi Q5 2.0T Premium Plus
2005.5 VW Jetta TDI 5 speed
2001 Audi Allroad Quattro 2.7TT 6 speed manual swap
2001 VW Beetle 1.8T GLX 5 speed
1992 VW Montana Green GTI
1972 VW Kombi 9 Passenger Deluxe w/ 2.0L F.I. VWAC

FAQ | Forum rules
User avatar
Mikewire
Site Admin

Site Admin
 
offline
 
Posts: 4027
Joined: Oct Thu 20, 2005 1:23 am
Location: Billings, MT
Vehicles: Air and Water


Return to Repair & Maintenance

Who is online

Users browsing this forum: No registered users

cron