Question about 1999 Chevrolet Silverado 1500

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What is the code P0174?

It shows this code twice

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Isuzu rod?o 2001 code p0174

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Here's a link to your code, P0174 OBD II Trouble Code

Posted on Aug 13, 2014

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I have a 96 ford taurus lx station wagon. I had 2 codes pop up p0171 and p0174 i found a vacuum leak with the pcv hose and replaced it im trying to break loose my O2 sensors to clean them and also change...


oxygen sensors can't be cleaned. They're porous. If they're silled with soot, you have to replace them. Plus, O2 sensors don't caused lean codes, they only report them. Stop looking at the oxygen sensors and look for a vacuum leak, low fuel pressure or clogged fuel injectors.

May 20, 2018 | Ford Cars & Trucks

1 Answer

1999 Firebird with P0171, P0174, P0300 codes


P0300 - random misfire , P0171 & P0174 lean code's . All of this means you could have a bad vacuum leak ,low fuel pressure ,clogged fuel filter , Mass air flow sensor problem .
Ford 150 P0171 P0174 Trouble Codes vacuum leak water test
Low fuel pressure causing P0171 and P0174 trouble code

Nov 04, 2017 | 1999 Pontiac Firebird

1 Answer

How to fix codes P0171 & P0174


Determining exactly what of the thousands of parts on a modern car is broken is as difficult as doing the repairs many times. IN this video you'll learn how to diagnose and fix error codes P0171 and P0174 on a 2001 Ford Escape, which indicate vacuum problems.http://www.lightdeal.co.uk/

May 17, 2013 | 1997 Cadillac DeVille

1 Answer

2004 x-type 3.0 v6 152,000 miles showed codes P0171, P0174, P2096, P2098, P0101, P0171 pd, P1000.


check for vacuum leaks or a faulty mass air flow sensor. all the codes have to do with engine too lean(too much air).

Jun 09, 2012 | Cars & Trucks

2 Answers

Car skips and I have 2 codes showing up po172 and po174, can anyone help ?


These are 02 sensor codes Check for vacuum leaks. also check the vent solenoid on the EVAP system. This can stick open and cause a vacuum leaks.
Let me know Randy

Apr 26, 2011 | Ford Taurus Cars & Trucks

2 Answers

Fault code p0174 what is the usually problem with this code


P0174 is System Too Lean Bank 'B'. This will almost certainly be an air leak somewhere in Bank B from where the inlet manifold splits into 2 to feed Bank 'A' and 'B', or possibly a leak in the exhaust manifold / catalyst or where the O2 sensors are fitted into the exhaust. Cleaning the MAF is unlikely to make a difference, as if this is the problem you'll either get a lean code for both banks (P0171 and P0174) or a MAF sensor code (P0101). If the O2 sensor is a fault you'll get an O2 sensor code for Bank B, so don't chance an expensive change of this!
A blocked fuel filter won't only give this code (again it'll affect both banks), ditto the air filter.

As regards to only showing up on highway driving, the leak may only be small and only evident at a higher under bonnet temperature.

Feb 26, 2010 | 2003 Jaguar X-Type

1 Answer

Code P0174 05 Corolla


I don't show any po174 for an 05 corolla. But I do show a po741, if thats the code you're getting.
It means theres a problem with the torque converter
clutch system. It could be the tcc solenoid. Either way, it's related to what you just had done.
Good luck.

Feb 01, 2010 | 2005 Toyota Corolla

1 Answer

2003 f150 4.2l v6 87000 miles showing code p0174 and is getting poor gas milage


System Too Lean Bank 2=P0174,
have you done new plugs or wires lately,you might want to check the air filter too

Dec 27, 2009 | 2002 Ford F150 Regular Cab

1 Answer

Ford windstar check engine light comes on after stopping when starting to get moving again shows p0171 & p0174 codes why??


P0171 indicates a lean condition. The most common cause of this is a defective mass air flow sensor. Also check if any vacuum leaks. P0174 OBD-II Trouble Code


Technical Description

System Too Lean (Bank 2)


What does that mean?

Basically this means that an oxygen sensor in bank 2 detected a lean condition (too much oxygen in the exhaust.

Note: This DTC is very similar to P0171, and in fact your vehicle may show both codes at the same time.

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Thanks.


Dec 17, 2009 | 2002 Ford Windstar Cargo

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