o2 sensors on 99 si? how many are there?

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Jul 22, 2007 | 02:07 PM

killacam661

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From: palmdale, CA, United States

o2 sensors on 99 si? how many are there?

i have a si harness and ecu on my 96 ek and the speedo doesnt work and no tach. i need a ex harness to get those fixed right? also what about the o2 sensors? ho9w many are on the 99 si? and will the ex harness workk with the o2 system?

Jul 22, 2007 | 02:14 PM

jdm_vtec

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From: Jacksonville, FL, USA

Re: o2 sensors on 99 si? how many are there? (killacam661)

2 oxygen sensors

you need an EX harness

Jul 22, 2007 | 02:15 PM

hmtcrxsir

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Re: o2 sensors on 99 si? how many are there? (jdm_vtec)

theres one before the CAT and theres one after the CAT

Jul 22, 2007 | 02:21 PM

killacam661

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From: palmdale, CA, United States

Re: o2 sensors on 99 si? how many are there? (hmtcrxsir)

the one after the cat has its own harness or it clips into the engine harness?

Jul 22, 2007 | 02:24 PM

DumpedSi

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Re: o2 sensors on 99 si? how many are there? (killacam661)

own harness.. it plugs into the main cabin harness... Theres a hole in teh floor board that the plug comes down from. and its not the one after the cat its in the cat