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Calling out ALL forum members who's running COMPLETELY catless....
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07-11-2009, 11:24 AM | #1 |
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Calling out ALL forum members who's running COMPLETELY catless....
I just want to try and isolate the issues/codes I'm seeing.
P0300 Random/Multiple Cylinder Misfire Detected P0302 Cylinder 2 Misfire Detected P0303 Cylinder 3 Misfire Detected P2096 Post Catalyst Fuel Trim Bank 1 System Too Lean Has anyone thrown those codes once going completely catless?? If was suggested by another member that running catless DPs was my problem. But I'm not completely catless, still have the OEM exhaust. I just want to see if other members can verify that as well............ TIA
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07-11-2009, 11:28 AM | #2 | |
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07-11-2009, 01:32 PM | #7 |
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your running lean on bank1. whats odd is its saying POST cat o2 is too lean. fuel trim is calculated off of PRE cat o2 sensors. POST cats are just for efficiancy monitoring of the cats.
bad injector. this could be an injector spraying too much or too little. too much, and it sees the BANK running rich, and will trim all 3 down to figgure out WTF is going on. too little, and it will try to increase all 3 trying to figgure out WTF is going on, but will notice that fueling more causes more fuel, thus trims back down again. make sense? bad gas. bad tune. |
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07-11-2009, 02:29 PM | #9 |
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Likely neither. It's related to a single bank so likely there's a bank 1 primary 02 sensor issue, a much less likely culprit is an injector problem.
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07-11-2009, 03:11 PM | #10 |
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I thought this was gonna be a Pro Green Earth thread
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07-11-2009, 07:13 PM | #11 | |
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exactly. did you not read my post? what do you think 90% of all trim issues are? either too much fuel (injector) or too much air (air leak, or once again: injector) if you want to eliminate the 02, just swap them bank to bank and see if the trim issue goes with it. if not, then its NOT the o2 sensor. |
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07-12-2009, 02:27 PM | #14 | ||
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I'm sure I hooked it up right, I double checked all the wiring and connections... That's what I thought!! Never heard of that either until one member brought it up as that being the issue....... Quote:
Bad tune? I've had the PROcede for about a year now and just two weeks ago it started giving me this problem. Wouldn't it show much earlier if it were the tune? Just curious......... TIA
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07-12-2009, 04:35 PM | #16 |
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i would go dig up on bad gas -> spark plugs -> injectors and coils, rather than cat... i had some code on o2 sensors and misfires but it stopped when i put new spark plugs...
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07-12-2009, 04:36 PM | #17 |
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hmm He recently changed them out iirc
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07-12-2009, 04:51 PM | #18 |
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Sounds like one of the o2 sensors was damaged during the dp install.
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07-12-2009, 04:56 PM | #19 | |
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^^yes, about 4-5 months ago, all six of them.
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Thinking about reverting back to the 5-29 maps..... Shiv, is it okay to run the 5-29 maps on the newest firmware? Or do I have to reload the previous firmware? TIA
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07-12-2009, 05:04 PM | #20 | |
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07-12-2009, 05:16 PM | #21 | |
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So your saying that it might be the O2 sensors? Or the RR O2 SIMS?
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07-12-2009, 05:19 PM | #22 | |
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