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P2177/p0300/p2098/p2179/p2099/p2195/p2197/p0420/p0134/p2097/p2096/p2189/p0154 rough idle skipping

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SOURCE: p2197 p2187 p2177 p2195 p2179

p1151

Posted on Apr 03, 2011

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Vehicle CEL is on, various codes


P0300 is a random miss fire , a vacuum leak can cause this as well as low fuel pressure ! weak fuel pump , clogged fuel filter !
DTC P0171: Fuel Trim System Lean Bank 1
DTC P0174: Fuel Trim System Lean Bank 2 These two codes are saying the PCM - engine computer is see a lean condition .
DTC P0191: Fuel Rail Pressure (FRP) Sensor Performance
Circuit/System Description
The fuel pressure sensor is located on the fuel line. The fuel pressure sensor monitors the fuel pressure in the fuel line. The fuel pump flow control module (FPCM) monitors the voltage signal from the fuel pressure sensor.

You don't say what make , model an year vehicle ! These are for GM vehicles , yours could mean something else . Except the first three , those are genaric codes , same for all makes ! So can't say what this codes are P2097, and P2099 ! Can't mean this P2097 - Post Catalyst Fuel Trim System Too Rich Bank 1
P2099 - Post Catalyst Fuel Trim System Too Rich Bank 2

Sep 03, 2016 | Cars & Trucks

1 Answer

2004 ford freestar van idles rough


For rough idle and error code issues on your ford freestar.Click the link below:----
http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html
--------This will help.Thanks.

Jan 31, 2012 | 2004 Ford Freestar

2 Answers

P2197 p2187 p2177 p2195 p2179 p2189


P2197 - Oxygen Sensor Signal Biased/Stuck Lean Bank 2 Sensor 1
P2187 - System Too Lean At Idle Bank 1
P2177 - System Too Lean Off Idle Bank 1
P2195 - Oxygen Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1
P2179 - System Too Lean Off Idle Bank 2

I am not sure what your Mazda is, but from the sounds of it, both of your Oxygen Sensors are shot. Replace them both, or check for vacuum leaks. It may be a good time to inspect and replace the PCV Valve and PCV Valve hose, too.

Mar 12, 2011 | Mazda MAZDA6 Cars & Trucks

2 Answers

I have a 2003 3.0 engine Honda Accord that is giving me trouble codes P2197 P0154 P2254, what do these mean? Thank you.


Here it goes.
P2197 - Front Air Fuel Sensor (O2 sensor) Bank 2 - Sensor 1 Signal stuck lean.

P0154 - Front Air Fuel Sensor (O2 Sensor) Bank 2 - Sensor 1 Heater System Malfunction.

P2254 - Front AIr Fuel Sensor (O2 Sensor) VS Line high voltage.

IF Trouble codes P0134 or P0154 are present diagnose them before code P2254.

The first thing I would do would be check the heater circuit. You will have ground, and 12V+ to the 02 sensor heater line on a cold start. This heats up the oxygen quicker and allows it to operate in the correct amount of time. 9/10 times if there is a heater circuit code it is the oxygen sensor. But 1/10 times it is a blown fuse. So checking the voltage at the sensor is a quick test for P0154.

I would backprobe the signal line when the vehicle is at a full operating temp with a graphing meter (if avail) or use a DVOM. You should see it switch between .1 volts to 1V. It should not continuously move up and down. This indicates the computer is in good fuel control.

Diaginosis the heater circuit first is best because code P2197 can be set from anything that can cause that motor to run lean. (Plugged fuel filter, low fuel pressure/volume, vacume leak).

Hope this gives you a solid path to go on & good luck.

Nov 16, 2009 | 2003 Honda Accord

2 Answers

Mazda 6 cold air problem


did you have a air flow sensor on the factory air intake you removed?
if so you will need this part connected to your ram pod outher wise the car wont run properly

Jan 02, 2009 | 2008 Mazda MAZDA6

2 Answers

Rough idle, failing power brake assist


Generally The brake light only indicates the parking brake is on and/or low fluid in level. You are correct that it indicates a vacuum leak recheck ALL vacuum lines you should be able to hear it as well.

Oct 19, 2008 | 2005 Mazda MPV

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