Need help

chris98m3 · 05-09-2013, 03:28 PM

What is p0420 n p0430
Car is hesitating

Mikey335 · 05-09-2013, 03:34 PM

Did you just change to catless downpipes?

p0420/430 are o2 sensor

chris98m3 · 05-09-2013, 03:38 PM

Yea I got Catless dp

marv85 · 05-09-2013, 03:39 PM

you probably switched the sensors

Mikey335 · 05-09-2013, 03:42 PM

Yeah either you put sensor in wrong pipe, or you broke them when installing pipes.

chris98m3 · 05-09-2013, 03:44 PM

My shop put the dp in. How can I find out if there in the wrong place?

enrita · 05-09-2013, 04:49 PM

Do you have a tune? Those are codes related to emissions. Search for the codes here. Lots of threads about them...

chris98m3 · 05-09-2013, 07:51 PM

Quote:

Originally Posted by enrita

Do you have a tune? Those are codes related to emissions. Search for the codes here. Lots of threads about them...

Yea I have a jb4. Iam about to buy the front oxygen sensors. But I hope it helps.

05-09-2013, 03:28 PM	#1
chris98m3 Captain 129 Rep 697 Posts Drives: 2016 f80 m3,e90 07 335,2014 f1 Join Date: Mar 2012 Location: peekskill ny iTrader: (1)	Need help What is p0420 n p0430 Car is hesitating
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05-09-2013, 03:34 PM	#2
Mikey335 Private 5 Rep 89 Posts Drives: 2008 335i e90 Join Date: Feb 2012 Location: NW Ohio iTrader: (0)	Did you just change to catless downpipes? p0420/430 are o2 sensor
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05-09-2013, 03:38 PM	#3
chris98m3 Captain 129 Rep 697 Posts Drives: 2016 f80 m3,e90 07 335,2014 f1 Join Date: Mar 2012 Location: peekskill ny iTrader: (1)	Yea I got Catless dp
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05-09-2013, 03:39 PM	#4
marv85 Colonel 70 Rep 2,626 Posts Drives: '07 E92 335i MT Join Date: Jun 2010 Location: Bay Area iTrader: (7)	you probably switched the sensors __________________ '07 E92 335i 6MT- HP650, inlets/outlets, ER FMIC, VRSF CP, LPFP stg2, CSF rad, 'is Aux rad, ER OC, Ohlins, M control arms, eibach front sway bar. '05 C55 AMG SOLD - '22 Tesla M3P \| '10 E92 335i M, 6MT COBB, FBO, st2 LPFP, Mfactory LSD \| '07 E90 335i, PTF COBB E50, FBO, HFS4
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05-09-2013, 03:42 PM	#5
Mikey335 Private 5 Rep 89 Posts Drives: 2008 335i e90 Join Date: Feb 2012 Location: NW Ohio iTrader: (0)	Yeah either you put sensor in wrong pipe, or you broke them when installing pipes.
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05-09-2013, 03:44 PM	#6
chris98m3 Captain 129 Rep 697 Posts Drives: 2016 f80 m3,e90 07 335,2014 f1 Join Date: Mar 2012 Location: peekskill ny iTrader: (1)	My shop put the dp in. How can I find out if there in the wrong place?
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05-09-2013, 04:49 PM	#7
enrita Major General 161 Rep 7,377 Posts Drives: 335i - Big turbos Join Date: Sep 2008 Location: Italian in Sweden iTrader: (0)	Do you have a tune? Those are codes related to emissions. Search for the codes here. Lots of threads about them... __________________ 07 335i AT - MOTIV 750 - MHD E85 BMS flash - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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