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Unread 06-13-2013, 04:06 AM   #1
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2002 WJ 
Join Date: Jun 2008
Location: Weston, CT
Posts: 127
P0330, p0335, p0155

Hey Guys,

The old girl is acting up. I've been getting an intermittent CEL with the above codes. They clear after a couple days and then will reappear often after a morning cold start. The past couple days I've noticed a slight studder/misfire when pulling out of a parking space though this clears after a couple seconds of acceleration.

She has 191K and I suspect worn valve stem seals as she burns a bit of oil and will shoot some smoke out the pipes after a hot start with a couple minutes sitting before start. No smoke on cold starts in the morning...

I'm thinking maybe I should change out the O2 sensors?

Any other thoughts?



2002 WJ 4.7 HO, Quadra-Drive - 191K, Kolak 3" Exhaust - Akebono Calipers - Stillen Drilled/Slotted Rotors - Up Country Springs - Billstein Shocks - Alpine CD 123 - Boston Acoustics Pro60SE Front - Boston Acoustics SR65 Rear - Alpine MVR F400 - Alpine MRV T500 - Siuius/XM Reciever - Dual Alpine XR12 in Sealed Enclosure
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Unread 06-13-2013, 04:27 AM   #2
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michiganmaveric's Avatar
2011 JK Wrangler 
Join Date: Aug 2004
Location: Southeast Michigan
Posts: 2,807
Here are some limks that might help you.


As you can see 0330 is for your #2 knock sensor, 0335 is for your CPS and 0155 is for your bank 2 O2 sensor. I think I would start by inspecting your engine wire harnesses for any bad wires that might be intermittently shorting.

Those links have Jeep specific links in them towards the bottom of the page also.
Previous Jeeps: 84 CJ7 (A True Jeep), 2000 XJ (163,000 Miles/Totaled (Pictures of wrecked Jeep in gallery)), 2004 WJ (parting out die to major electrical issues)

If you don't have time to do it right the first time, how do you have time to do it over.

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