Question about 2002 Land Rover Freelander

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Running lean on bank 1 and bank 2 freelander 2002

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Posted on Jan 02, 2017

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duane_wong
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SOURCE: 2002 FREELANDER S LOSES INJECTORS

Injectors are generally controlled directly by the computer. So that's what I would look at replacing.

Posted on Aug 17, 2010

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Hi i have a 2002 ford ranger and it has teas codes P0446 P0135 P0141 P2195 P0403 P0171


P0446: EVAP System Vent Control Circuit http://www.autocodes.com/p0446_ford.html

P0135: O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1
P0135 Ford O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1

P0141: O2 Heater Circuit Bank 1 Sensor 2
P0141 Ford O2 Heater Circuit Bank 1 Sensor 2

P2195: Oxygen Sensor Signal Biased/Stuck Lean - Bank 1 Sensor 1
http://www.autocodes.com/p2195_ford.html

P0403:Exhaust Gas Recirculation Control Circuit http://www.autocodes.com/p0403_ford.html

P0171: Fuel Injection System Too Lean Bank 1 http://www.autocodes.com/p0171_ford.html

Nov 15, 2016 | 2002 Ford Ranger

2 Answers

What does code po171 mean


System too lean (bank 1)
Not enough gas in mixture

May 25, 2016 | 2002 Dodge Dakota Club Cab

3 Answers

2002 gmc envoy 4.2 liter 6 cyl code reads bank 1 too lean


too lean can be from leaking manifold, vacuum leak, injectors on that bank, low fuel pressure

Aug 02, 2015 | GMC Cars & Trucks

1 Answer

I,m getting "ECM dected bank 1 02 at its lean


Bank 1 = drivers side (IE: 02 sensor bank1 = driver O2 sensor pre cat. converter)

Mar 17, 2011 | 2002 Ford Explorer

1 Answer

I'm thinking about buying a 2002 range rover. It has a service/check engine codes of 134,135,155. Is it likely to be more than oxygen sensor problems? Please reply , Mel


with those codes showing, it could be either bad O2 sensors or there is a problem with the wiring to those sensors. Also, the wrong sensors may be installed. I'm assuming codes P0134, P0135, P0155.

For others viewing this:

P0134 = O2 sensor circuit-no activity detected (bank 1 sensor 1)

P0135 = O2 sensor heater circuit malfunction (bank 1 sensor 1)

P0155 = O2 sensor heater circuit malfunction (bank 2 sensor 1)

Feb 11, 2011 | 2002 Land Rover Freelander

1 Answer

2001 yukon codes causes banks 1 and 2 to run lean?


If bank one and two are running lean problem is the Mass Air Flow Sensor (MAF) Dirty or Defective.

May 20, 2010 | 2001 GMC Yukon XL

1 Answer

2002 VW Passat GLS 1.8T throwing two codes: P0171 and P0411. No noticeable loss in performance. Can I fix this myself?


System Too Lean (Bank 1)

Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.
Note: This DTC is very similar to P0174, and in fact your vehicle may show both codes at the same time.

P0411 Secondary Air Injection System Incorrect Flow Detected, check the...Combination valve
...Secondary Air Injection pump motor
...Secondary Air Injection solenoid valve
I would take it to a mechanic

Apr 16, 2010 | 2002 Volkswagen Passat

1 Answer

Ok i got a 2002 saturn vue..code was saying bank 1 bank 2 running lean..the vue runs perfect ,sometime at park it would idle hi.anyways i have replaced the mass air flow unit..turn off light,comes back on...


I had exactly the same problem .Mine was corrected with replacing the O2 sensors .The sensors cost less than $30 each but cost about 20 mins labor per sensor .So if you got an honest mechanic the total cost will be around $130 .

Jan 19, 2010 | 2002 Saturn VUE

1 Answer

Car won't pick up speed on acceleration


You're not getting enough fuel. You should check your fuel pressure. If you have enough fuel pressure, your injectors are probably clogged up. Run a lot of fuel cleaner through your tank when you put gas in and see if it makes any difference. Lucas fuel treatment is the best to use.

Apr 26, 2009 | 2002 Dodge Neon

3 Answers

Codes 1133-0131-0171-0300


p1133 - o2 sensor, Insufficiant Switching, Bank 1 Sensor 1.
p0131 - o2 sensor circuit, low voltage, bank 1 sensor 1
p0171 - Lean condition, Bank 1
p0300 - Random Misfire

I would be looking at the front passenger side oxygen sensor for issues. It may be bad, it may not be plugged in, bad wiring at harness.

The random misfire may be symptomatic of the o2 sensor problem.

Mar 17, 2009 | 2002 Chevrolet Silverado 1500

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