how can you tell if your o2 sensor is bad

15

Asked by Feb 18, 2012 at 05:02 AM about the 1995 Honda Accord EX

Question type: Maintenance & Repair

I have a 1995 honda accord ex 4cylvtec motor. When I drive to work about 30 miles freeway .When i stop at the store and start my car it runs real rough and smokes and dies out. Once I get the car going it seems like it adjust itself and runs with little roughness in the motor.When it smokes it smells like its running to rich

12 Answers

4,585

when was the last tune up done?

15

I gave it a tune up a week ago plugs, cap, rotor, and the plug wire are about 5 months old

1 of 1 people found this helpful.
4,585

air filter? and is the firing order correct?

15

Thanks for trying Jonathan but if you can tell me without asking a question it would be more helpful

325

He's probably trying to narrow down what the problem is with your car, bigheeman. Your oxygen sensor is part of the emissions control system, so when the 'Check Engine" light comes on, it MIGHT be the oxygen sensor. There are many components in the emissions system, so when this light comes on the only way to tell which component is bad is to have it analyzed with a scanner that plugs in and runs a diagnostic check. This is done by a mechanic and ranges in price. If the 'Check Engine" light isn't on and you are just guessing at what the problem may be, then it would probably be good to take it to a reasonably priced mechanic and have them help you get it going. There is no way around taking the car to a mechanic, if you aren't able to diagnose the problem correctly yourself.

3 of 3 people found this helpful.
15

oh so the check engine light has to come on first? Well my check engine light doesnt come on i was just trying to figure out what i can check. thanks for the advice

4,585

it doesnt mean your oxygen sensor is bad, it means something else is wrong and the oxygen sensor is adjusting to compensate for it...but since you don't feel like answering questions to help narrow it down, you should just go to a mechanic.

2 of 2 people found this helpful.
15

Sorry Jonathan I didnt really mean i didnt want to answer questions its just that its already been a few days and I really needed a answer immediately. Your right about taking it to the mechanic. So again sorry about the misunderstanding and keep giving advice to those like me that look for them

55

sounds like a pcv valve clogged up or valve seals could cause it to smoke. replace the pcv valve and go from there.

50

I have a Honda accord EX 99 how do I know when the oxygen sensor is bad

5 of 5 people found this helpful.
50

I guess I don't get an answer have a bless day

i have a 1997 honda accord SE timing belt broke and broke the crank sensor. i replaced the crank sensor re timed everything ,new plugs new wires but it still wont start.

Your Answer

Accord

Looking for a Used Accord in your area?

CarGurus has 62,430 nationwide Accord listings starting at $1,199.

ZIP:

Honda Accord Experts

  • #1
    Tom Demyan
    Reputation
    2,160
  • #2
    JP1956
    Reputation
    1,650
  • #3
    Jonathan Ford
    Reputation
    1,600
View All

Related Models For Sale

Used Toyota Camry
1,073 Great Deals out of 73,748 listings starting at $295
Used Honda Civic
812 Great Deals out of 73,912 listings starting at $1,400
Used Honda Accord Coupe
174 Great Deals out of 9,139 listings starting at $1,750
Used Nissan Altima
1,012 Great Deals out of 75,761 listings starting at $1,627
Used Toyota Corolla
908 Great Deals out of 57,792 listings starting at $1,488
Used Nissan Maxima
294 Great Deals out of 23,316 listings starting at $899
Used Honda CR-V
830 Great Deals out of 55,240 listings starting at $1,750
Used Acura TL
140 Great Deals out of 4,736 listings starting at $995
Used Hyundai Sonata
732 Great Deals out of 50,354 listings starting at $500
Used BMW 3 Series
1,165 Great Deals out of 33,355 listings starting at $1,000
Used Toyota Avalon
220 Great Deals out of 17,066 listings starting at $1,599

Used Cars For Sale

2017 Honda Accord EX For Sale
1,466 listings starting at $20,613
2016 Honda Accord EX For Sale
7 Great Deals out of 169 listings starting at $14,995
2015 Honda Accord EX For Sale
27 Great Deals out of 500 listings starting at $13,232
2014 Honda Accord EX For Sale
47 Great Deals out of 954 listings starting at $11,000
2013 Honda Accord EX For Sale
5 Great Deals out of 212 listings starting at $8,998

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.