Question about 2004 Honda Accord

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How to replace the o2 sensor in 2004 accord v6. the check engine light and traction control light came on i then lost power. restarted the engine regained power and light went out after 5 miles.

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The oxygen sensor should be located where the exhaust starts back from the exhaust manifold.

Posted on Jul 17, 2009

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Throttle position sensor 06 grandprix gt


O2 sensors can cause this and often they clear up after a good run.

Nov 20, 2013 | 2006 Pontiac Grand Prix

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My 2002 Lincoln LS v6 Lost Engine Power,Traction Control Light was flashing & ABS light Came on! ANY IDEA?


Had the same problem with my 2002 Lincoln LS, it was a bad wheel speed sensor. The right front wheel bearing had some play in it, so I had the hub assembly replaced. The hub assembly comes with a new wheel speed sensor attached. After I replaced the hub assmbly with sensor, the ABS and Traction Control lights went off. No problem since!

Jun 13, 2011 | 2002 Lincoln LS

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Check engine light comes on for 2004 Hyundai Sante Fe. O2 sensor was replaced but still has the problem. Does the EGR manifold tend to get clogged up on the Sante Fe? I fixed a Honda Civic check engine...


First of all, why was the O2 snsr replaced?... Check Engine light? What DTC (diagnostic trouble code) did you find stored in the ECU (Engine Control Unit)? The drivability you seem to be describing can have multiple causes -- faulty sensors, malfunctioning computer, clogged catalytic converter, leaky injectors, vacuum leaks, etc.

Ok... this is gonna take some time. The 04 Santa Fe came with 3 (three) different/possible engines -- the 4 Cylinder 2.4 lit, the 2.7 V6, and the 3.5 V6. Only the 2.4 (4 cyl) and the 3.5 V6 are equipped with EGR. The 2.7 does NOT have EGR. To answer part of your question, the EGR system on the 4 Cyl is known to develop restriction(s) in the EGR port (from the # 4 cylinder exhaust port to the EGR valve at the intake manifold). This port travels through the head (front to rear, i.e., Left to Right when viewing the engine from the transmission end). This port cannot be seen at the # 4 cylinder exhaust port unless you remove the exhaust manifold.

It would be very helpful if you could provide more detailed/specific information regarding the drivability issue & what/which codes were found related to the Check Engine light.

Feb 12, 2011 | 2004 Hyundai Santa Fe

1 Answer

Traction control light comes on letting me no that I have an emissions control problem. Is my O2 sensor beginning to fail @ 115,000 miles it starts running rough and looses power


your dumb
what the **** your traction control light comes on to tell you you have low traction or a traction control malfucntion not a emissions problem where do peoplee get all this dumb information

Nov 04, 2010 | 2004 Honda Accord

2 Answers

There's a little light that says "low trac" that goes on when i turn on my 1998 chevy cavalier.... what does it mean??


means the traction control module is bad. That light is suppose to come on when you lose traction to let you know the traction control is kicking in.

May 19, 2010 | 1998 Chevrolet Cavalier

2 Answers

I have a Honda Accord 2003, how can i fix a downstraem Oxygen sensor.. does this affect the gas cosumtion performance.. how can i fix this.. Help.!


o2 sensor is very important part to the engine when it come to the fuel economy. o2 sensor send information to the computer (ECU) which compute and calculate ratio of burnt exhaust gases. if the engine is not run properly either is too lean or too rich the o2 sensor will detect it as the car will triger the check engine light. you can drive the vehicle which will not hurt it as long you can tolerated the light however the car will get terrible gas mileage and poor performance as the ECU will try to lean the engine out itself. o2 sensor is fairly cheap to replace and fix. Let assume the car get 30 mpg on the high way, running with check engine light/bad o2 sensor will change the gas mileage to 18-25 mpg. If the car is V6 make sure you replace o2 on both side. good luck!

Nov 23, 2009 | 2003 Honda Accord

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Check engine light comes off and on 2004 Honda Accord, and sometimes lose power and then starts riding fine again; I just had it hooked up to diagnosis and can't find the problem


Sometimes losing power because there is not a correct air/gas mixture. Your car need a close to 14.6:1 ration to be perfect.
This ratio is maitaining by ECU, only if the ECU gets the correct signal from your O2 sensor. The O2 sensor is about 100 bucks. First to take off battery ground cable off your car for 1hour to clear out some error state. When putting back, if the check engine goes off for a while then coming back, replace the O2 sensor. Good luck.

Jul 06, 2009 | 2004 Honda Accord

1 Answer

Trouble code is gen fr.


it's your alternator (64)
1 Engine control module malfunction
11 O2 sensor malfunction (Car usually runs weak when this code appears) (If a V6 this relates to the O2 sensor on the drivers side In a 4x4 Or the one at the back of the engine on a Galant)
12 Mass air flow sensor circuit malfinction
13 Intake air temperature sensor (Comes on if you have chucked the sensor away to fit some big fancy K&N induction kit!)
14 Throttle position sensor fault
21 Engine temp sensor malfunction (Check the spark plugs too because they carbon up if this sensor is causing the car to run rich)
22 Crankshaft position sensor (Try cleaning the dirt off the end before replacing)
23 Camshaft position/distributor hall sensor (Common on Galant 1800)
24 Vehicle speed sensor
25 Barometric pressure sensor (Another name for the MAP sensor)
31 Knock sensor circuit
36 Ignition timing adjustment connector fault
41 Injectors circuit malfunction
44 Ignition coil/ignition amplifier cylinders 1 and 4
52 As above for 2 and 5 (on a V6)
53 As above for 3 and 6 (On a V6 too)
54 Immobiliser control module to engine control module malfunction (comes on if you have changed one or the other and not had them programmed in by Mitsi)
55 Idle speed control actuator malfunction (A good injector cleaner and a thrash up the motorway usually fixes this!)
59 O2 sensor (if you have a V6 this is the sensor on the passenger side ona 4x4 and the one at the front on a Galant etc.)
61 Transmission control module/engine control malfunction
62 Intake manifold air control actuator/position sensor malfunction
64 Alternator malfunction (remember to check under load and when revved up)
71 Traction control vacuum solenoid malfunction (check the pipes for leaks)
72 Traction control vent solenoid malfunction (usually blocked with dirt)

May 13, 2009 | 2002 Mitsubishi Lancer

2 Answers

What does the low traffic light mean in a 1998 chevy cavalier?


If your ABS light is on as well, have a shop scan it (it requires a special scanner). If it's just your Trac light without ABS, it is most likely a sensor under the hood at fault. If you are getting a check engine light as well, get the codes read!
This happened to me without an ABS light and it was the upstream O2 sensor. The reason it throws the Trac light is because if any components that the traction control uses (ignition, fuel) are affected by a bad sensor, the PCM shuts down traction.
In fact, when I replaced the O2 sensor, a handful of other little issues resolved as well.
If you do have an ABS light on, it could very well be a wheel speed sensor.

Apr 13, 2009 | 1998 Chevrolet Cavalier

1 Answer

2001 olds ABS and traction control sensor issue


An ABS sensor DOES affect the traction control system. Traction control uses these sensors to determine if a wheel is losing traction. A bad sensor will cause both the ABS and TRACTION lights to come on.
The CHECK ENGINE light however is going to be a seperate problem.

Jun 08, 2008 | 1999 Mazda Pickup

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