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 Help fixing code issues, Please?? « View previous topic :: View next topic » 
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RL-139
PostPosted: Sat Jan 30, 2010 12:26 pm    Post subject: Help fixing code issues, Please?? Reply with quote

Newbie
Newbie

Joined: 16 Apr 2009
Posts: 7
Location: West Warwick, RI

Hello All
I have a 2002 sport with the 4.0 Liter with the California emissions set up
I went to auto zone & got a loaner OBD2 scanner & i am pulling 6 codes
They are
P0161 02 sensor heater circuit malfunction bank 2 sensor 2
P0204 Injector Circuit, open cylinder 4
P0351 Coil A primary/secondary circuit malfunction
P0352 Coil B primary/secondary circuit malfunction
P0353 Coil C primary/secondary circuit malfunction
P0340 Camshaft sensor A bank 1 circuit malfunction

Now the question is how do i fix all this?
Thank you in advanced for any help
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DailyDrivenTJ.com
PostPosted: Sun Jan 31, 2010 8:10 pm    Post subject: Reply with quote

Site Founder
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Joined: 09 Apr 2006
Posts: 1768

What is involved with California emission setup?

One bad sensor can throw off others and cause the OBD system to think there are multiple problems.

I personally don't know exactly how to fix this particular problem, but I would start with the easiest and cheapest to replace first.

I don't like P0204 though. Are you the original owner of the vehicle? Does it have distributor? Or does it have coil packs on each plugs? And when was the last time this vehicle has been tuned up?

mk
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RL-139
PostPosted: Mon Feb 01, 2010 8:20 pm    Post subject: Reply with quote

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Newbie

Joined: 16 Apr 2009
Posts: 7
Location: West Warwick, RI

California emissions has 4 o2 sensors opposed to the standard 2


I am the second owner, i bought 2 years old in o4, it has the coil rail no distributor.
i try to keep up on tune ups every couple months weather it needs it or not
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rroadkilll
PostPosted: Wed Feb 24, 2010 7:41 pm    Post subject: Reply with quote

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Joined: 22 May 2007
Posts: 319
Location: Cape Cod, Massachusetts

HEY JEFF...


I'm lost on your problem... Hmmm...
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DailyDrivenTJ.com
PostPosted: Wed Feb 24, 2010 11:06 pm    Post subject: Reply with quote

Site Founder
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Joined: 09 Apr 2006
Posts: 1768

I would start by unplugging and replugging the related electrical connections.

Then check grounds where things are grounded.

Was there any water damage? Did you ever wash your engine bay?

When did this start happening? What is the jeep doing other than lighting up CEL?
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RL-139
PostPosted: Sun Feb 28, 2010 7:36 am    Post subject: Reply with quote

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Newbie

Joined: 16 Apr 2009
Posts: 7
Location: West Warwick, RI

It started back in January just b4 the original post.
It was bucking & stalling on my way home one day
I am in the proses of doing the rear main seal ((for a month now, time is limited) spin
I changed my plugs the other day, old ones looked bad so that may have been part of it.
also the vacuum line to my roll over sensor was disconnected. I am slowly finding small things that could have been part of the whole
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DailyDrivenTJ.com
PostPosted: Sun Feb 28, 2010 7:17 pm    Post subject: Reply with quote

Site Founder
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Joined: 09 Apr 2006
Posts: 1768

I hope everything is fixed.

If you find some of the writes helpful please check out this thread.

http://dailydriventj.com/forum/viewtopic.php?t=831

Thanks,

mk
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RL-139
PostPosted: Mon Mar 29, 2010 1:04 pm    Post subject: Reply with quote

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Newbie

Joined: 16 Apr 2009
Posts: 7
Location: West Warwick, RI

Can a clogged Cat start the P0161 02 sensor heater circuit malfunction bank 2 sensor 2 issue & than trigger the others?
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DailyDrivenTJ.com
PostPosted: Mon Mar 29, 2010 6:55 pm    Post subject: Reply with quote

Site Founder
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Joined: 09 Apr 2006
Posts: 1768

I am not sure if the O2 sensors on different locations are different on the 2002s, if they are the same swap their positions and see if the code follows it.

mk
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benica
PostPosted: Tue Mar 30, 2010 5:34 am    Post subject: Reply with quote

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Joined: 11 Mar 2010
Posts: 8
Location: Hawaii

Or just move here to Hawaii and don't worry about the smog test! loser
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