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Trying to help a coworker with her car.

Old 07-17-2018, 06:02 PM
Thread Starter
Join Date: Jul 2018
Posts: 1
Default Trying to help a coworker with her car.

First off thanks for looking. I have a co worker that has to get a temp tag every two weeks. I though i might give her some help and this is what i found.

2001 Honda Accord
f23a4 (ULEV VTec)
185,000 miles
5 speed manual

Here are the following messages i received using my enhanced OEM setting on my scanner

H02S B2 S1 Heater Failure
02S S1 Heater Failure
A/F S1 Lean
Thermostat Range
02S A/F S1 Lean.

I am not sure what she has done to it yet. She loves the car as i presume most of you guys do too. I would hate to see her get rid of the car because of it.She has had multiple people reset the codes and they just come back. I told her yeah they will come back cause something is wrong. Its not a magic fix. hah. Any help would be appreciated.
Old 07-17-2018, 07:55 PM
TexasHonda's Avatar
Super Moderator : And A Texan
Join Date: Feb 2007
Location: Katy, TX
Posts: 9,651

You need to supply the codes (Pnnnn) that were present. Some info does not make sense. For instance, a 4 cylinder should not have a bank 2 code.

Heater failure is likely a faulty sensor, but could also be wiring, connector, or PCM. Testing necessary to be sure.

good luck
Old 07-17-2018, 10:45 PM
LDB415's Avatar
Newest Of Newbies
Join Date: Jun 2018
Location: Houston suburb
Posts: 16

Good on you for trying to help her out. Good luck with it.
Old 07-18-2018, 06:31 AM
JimBlake's Avatar
Super Moderator
Join Date: May 2006
Location: Wisconsin
Posts: 17,504

ULEV engine has a different O2 sensor vs the non-ULEV engine. Some parts stores don't show that correctly when looking up the part. Just be careful about that.
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