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-   -   02 SENSOR OR BAD CAT WHO KNOWS HELP (https://www.hondacivicforum.com/forum/engine-internal-11/02-sensor-bad-cat-who-knows-help-5244/)

JIZZO 05-03-2005 06:23 PM

02 SENSOR OR BAD CAT WHO KNOWS HELP
 
SUP GUYS..?...OK I GOT A 98 EX WITH A GREDDY SP2 CAT BACK AND A DC SPORTS 4-1 HEADER THE ? I GOT IS THIS.WHEN I GO TO TAKE OFF AT A LIGHT SOME TIMES IT WANTS TO BOGG OUT ANY IDEAS ? AND ALSO WHEN IM DRIVEING AND JUST SHIFTING FROM 1ST TO 2ND OR 3RD I GET A SMALL BACK FIRE (SOMETIMES) COULD THIS STUFF BE FROM A BAD 02 SENSOR OR A PLUGED CAT HELP!!!!!

jwsimons 05-04-2005 05:20 AM

RE: 02 SENSOR OR BAD CAT WHO KNOWS HELP
 
when cats "plug" you will usually overheat very quickly, as there is nowhere for the exhaust to exit so it has to back up. does the check engine come on? could be plugs are fouling, or god forbid, a small crack in a intake manifold can do similar sympyoms when water enters the fuel mix, but you will usually get a dense white smoke when this happens, there are alot of possibilitys though, timing off, plugs fouled, coil does not have correct resistance, cracked dist. cap, vacuum leak, poor fuel, air mixture, split wires, on and on

polo708 05-04-2005 10:18 AM

RE: 02 SENSOR OR BAD CAT WHO KNOWS HELP
 
you could be running rich, or your MAF sensor has taken a dump on you.

JIZZO 05-04-2005 05:55 PM

RE: 02 SENSOR OR BAD CAT WHO KNOWS HELP
 
the check engine light will come on and stay on till i reset it.that last for a few weeks.and i do get a little white smoke out the muffler i had a test done to see why the check engine light was on and it said emissions and the guy said it was up in the intake some place i added a throtle body spacer a few months back and right after that is when the engine light come on you guys think i should take it off? please help need my speed!

Roost3r 05-04-2005 06:06 PM

RE: 02 SENSOR OR BAD CAT WHO KNOWS HELP
 
I WONDER IF THIS GUYS CAPS BUTTON IS STUCK OR IF HE JUST LIKES MAKING THINGS HARD TO READ????

white smoke or like a blueish white??

jwsimons 05-04-2005 07:25 PM

RE: 02 SENSOR OR BAD CAT WHO KNOWS HELP
 
can a throttle body spacer be installed inverse on accident? something in that area of the throttle body is more than likely your issue. remove it and see what changes. if it stays the same, it cost nothing, if it corrects your problem, you may have saved a helluvalotta of repair bills. if for some reason the water routing through your mani is crossing over you will loose your block ,crank bearings etc , from water in your oil. when you change the spacer change your oil to ensure you did not get any water in it. did you change oil when you installed spacer? could be wronge but i beleive whenever you do anything concerning the intake mani, you should change your oil. it amounts to a $20.00 ins policy.
any one know about that on ff cars?, i know in v-8 it is def good practice

neon3kgt 05-04-2005 07:44 PM

RE: 02 SENSOR OR BAD CAT WHO KNOWS HELP
 
if you take the intake off a v style engine... you open up the oil to the "elements" or when you scrape the gasket, some might fall in, so you wash it down with oil after and drain it. on a 4, i dont think you have to worry to much about it. but im sure it wouldnt hurt.

jwsimons 05-04-2005 07:52 PM

RE: 02 SENSOR OR BAD CAT WHO KNOWS HELP
 
cheap insurance at any rate. and it can never hurt to change the oil. thanks for the post on that

Pete 05-04-2005 11:04 PM

RE: 02 SENSOR OR BAD CAT WHO KNOWS HELP
 


ORIGINAL: JIZZO

i added a throtle body spacer a few months back and right after that is when the engine light come on you guys think i should take it off? please help need my speed!

why not try it.......take it off and see if u fix the prob.....u never know.

jwsimons 05-05-2005 12:15 AM

RE: 02 SENSOR OR BAD CAT WHO KNOWS HELP
 
any body hear an echo around here?


ORIGINAL: pcupo12



ORIGINAL: JIZZO

i added a throtle body spacer a few months back and right after that is when the engine light come on you guys think i should take it off? please help need my speed!

why not try it.......take it off and see if u fix the prob.....u never know.


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