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I have a misfire in the 4th cylinder and need new o2 sensors and im getting the p1409 code

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P1409 --- EGR Vacuum Regulator Solenoid

You didn't tell us anything I can use

What about a misfire?

What Car?
What Year?
What Engine? wires or cop ignition

O2 Sensors get replaced at 100,000 miles or
when they fail or switching counts get slow

Need to know vehicle history ,current issues in datail
& who is working on it

If you going to take it to a repair shop
I'am not getting too get involved here

Posted on Jun 12, 2011

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Hi there,
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Posted on Jan 02, 2017

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Check engine light code p2196,p2197, po300 ,304,305,306,p2 ,Im freeking out.


P0300 Random/Multiple Cylinder Misfire Detected P0301 Cylinder 1 Misfire Detected P0302 Cylinder 2 Misfire Detected P0303 Cylinder 3 Misfire Detected P0304 Cylinder 4 Misfire Detected P0305 Cylinder 5 Misfire Detected P0306 Cylinder 6 Misfire Detected P0307 Cylinder 7 Misfire Detected P0308 Cylinder 8 Misfire Detected P0309 Cylinder 9 Misfire Detected P0310 Cylinder 10 Misfire Detected P0311 Cylinder 11 Misfire Detected P0312 Cylinder 12 Misfire Detected P0313 Misfire Detected with Low Fuel P0314 Single Cylinder Misfire (Cylinder not Specified) P0315 Crankshaft Position System Variation Not Learned P0316 Misfire Detected On Startup (First 1000 Revolutions)

Read more at: http://www.obd-codes.com/trouble_codes/
Copyright © OBD-Codes.com
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P2195 O2 Sensor Signal Stuck Lean Bank1 Sensor 1 P2196 O2 Sensor Signal Stuck Rich Bank1 Sensor 1 P2197 O2 Sensor Signal Stuck Lean Bank2 Sensor 1 P2198 O2 Sensor Signal Stuck Rich Bank2 Sensor 1

Read more at: http://www.obd-codes.com/trouble_codes/
Copyright © OBD-Codes.com http://www.obd-codes.com/p0002

May 07, 2015 | 2006 Ford Taurus SEL

1 Answer

Have codes indicating bank 2 running lean(po174,po153,po159) also have codes for misfires on all cylinders. Does the misfire trigger o2 codes or does bad o2 sensor cause misfires?


misfire could cause o2 codes. o2 sensors are measuring the oxygen in the exhaust - if you're sending unburnt fuel through there (like a misfire), it would throw the value way off. if you're getting a 'lean' error, I would first suspect a bad fuel injector. But you are having a misfire on all cylinders... I would then look at the ECU as it may be having issues sending the 'open' signals to the injectors.

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Cylinder 3 misfires in 99 chevy suburban


try moving your fuel injector , switch with another one and re assemble, clear codes and see if the misfire moves with the injector. If the miss fire moves with the injector then replace the injector with a new one. Or if you havnt tried already fuel injector cleaner may work.
remember after you clear the codes you have to drive it for a couple days before it gets e tested. obd2 systems have to be ready or it will fail etest.

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How to fix 98 cadillac cater error codes


Reset error codes by disconnecting battery for 5 minutes. Start fresh. all codes should be clear now. drive and see if any new codes come on. They are the ones you need to address.

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I have a 1997 Bravada that has a bad oxygen censor and a bad caytalytic converter. Would both of these problems cause a misfire, and , wich sensor is in bank 2


Yes they can surely cause an misfire.

I cannot understand your statement "wich sensor is in bank 2"

If i am not wrong you are asking which sensor is present in bank 2 .

The 4th O2 sensor is located in bank 2

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2 Answers

Check enegine light stay s on all the time, here are the codes im getting, if someone could tell me how to fix these that would be great. p0155 p0141 p0136 p0443 p1451 p0135 p0161 p1409


P0155: O2 Sensor heater Circuit Malfunction (bank2 ) Sensor 1.

P0141: O2 Sensor heater Circuit Malfunction (bank1 ) Sensor 2.

P0135: O2 Sensor heater Circuit Malfunction (bank1,Sensor1)

P0136: O2 Sensor Circuit Low voltage (bank1) Sensor 2.

P0443 : Evaporative Emission control System Purge control valve.

P1451: Eavporative Control System Canister vent solenoid Circuit Malfunction.

P0161: O2 Sensor Circuit Low voltage (bank2,Sensor2)

P1409: Electronic Vacuum Regulator (EVR) control circuit malfunction.

change the O2 sensors first,Then check the the EGR Vacuum regulator for any Malfunction. Good luck

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My 2005 Hyundia Elantra is showing engine code P2251. What is that?


P2251 L.O2 reference circuit(-) open-Sensor 1. This code is showing a problem on the reference voltage of the upper O2 sensor. It might be sensor or the wiring. P0304 Cyl.number 4 Misfire detected. This code is showing 4th.cylinder is or has been missing. Second code might be set by first code.O2 sensor problem needs to be corrected first.

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1 Answer

2001 jeep grand cherokee limited v8.Skipping/misfiring.the fuel filter has been changed,plugs have been changed.the diagnostic computer said the coil was bad on #2 cylinder its been changed.now we are...


no o2 couldnt do that it would have jump time you need to ****** your timing back to its time to get them ploblems fix then get a new timing belt dampner to keep it on track dont run anymore untill you get this fixed

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I just replaced my o2 senser on my 2001 a4 1.8


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