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Re: Ck Eng. Light on #821857 01/06/04 07:37 AM
Joined: Nov 2003 Posts: 58 a mile from the big pond calle... S SErico96 CEG\'er
SErico96 CEG\'er S Joined: Nov 2003 Posts: 58 a mile from the big pond calle...	good to hear your car was covered by the warranty. yes definately 4 o2 sensors (at least on a 96 se . i just decided to drop the money and i bought the 2 sensors when my car was saying they were faulty and that code nvr came back. too bad it cost me $110 just to have the light come back on dude to a code coming up for the 2ndaries being stuck open(which isn't making any sense) 96 SE 2.5L MTX for Sale check the classifieds 0-60 in 3.4 now(skidoo formula III 700) 165hp 3cyl i got more done to my sled than u do to your car 12sec all motor H22 stroker 94 accord in progress... looking for 280-300hp outta 2.56 L

Re: Ck Eng. Light on #821858 01/06/04 06:21 PM
Joined: Nov 2002 Posts: 423 St. Louis, MO R RoadiJeff_dup1 CEG\'er
RoadiJeff_dup1 CEG\'er R Joined: Nov 2002 Posts: 423 St. Louis, MO	What is the determining factor in how may O2 sensors the contour has??? I believe the 2.0L has three and the 2.5L has four. Mine showed a CEL several weeks ago that was diagnosed to be a defective Bank 1, Sensor 2 problem. Before buying a replacement I crawled under there and found that the wiring that ran to the sensor was almost touching the exhaust pipe. Nothing was melted or damaged but it was close. I rerouted that with a ziptie and after about 15 minutes of driving the CEL went out and has never come back.

Re: Ck Eng. Light on #821859 01/06/04 07:11 PM
Joined: Sep 2002 Posts: 1,788 St. Louis, MO P projectSHO89_dup1 Hard-core CEG\'er
projectSHO89_dup1 Hard-core CEG\'er P Joined: Sep 2002 Posts: 1,788 St. Louis, MO	Originally posted by QA Inspector: What is the determining factor in how may O2 sensors the contour has??? 1. Year/version of OBD system. The 95 has sensors only in front of the first cat converters(s). The 96-on uses a sensor in front of the cat to monitor the engine's mixture. There is a second sensor after the cat to monitor the effectiveness of the cat. 2. Number of cylinder banks. A Zetec has one bank, the V-6 has two. There is one cat built into the exhaust manifold for each bank. Therefore: 95 only I-4 has one sensor 95 only V-6 has two sensors 96-on I-4 has two sensors 96-on V-6 has four sensors. The last cat on the V-6 is not monitored in any way. I don't know if the I4 has a second cat, I've never looked at one. Hope this clears up the continuous fog, misinformation, and confusion regarding this issue. Steve 98 Contour SE Sport 2.5 Duratec ATX The wifey's car 89 Taurus SHO - 246K miles 94 SHO ATX - 190K 1997 F-150 5.4L ATX - The Workhorse 150K. ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!

Re: Ck Eng. Light on #821860 01/07/04 02:06 AM
Joined: Sep 2002 Posts: 151 Champlin, Minnesota S SVTcoop CEG\'er
SVTcoop CEG\'er S Joined: Sep 2002 Posts: 151 Champlin, Minnesota	Quick question...I have been having problems with my O2 sensor (check engine light keeps coming on), how hard is it to replace? Can I do it myself? 98 Black CSVT Indiglo Gauges, including HVAC, KKM Intake Exhaust: Brullen loud system with 4" tips, Moddified stock Y-pipe Sound System: Alpine 9815 Deck, Alpine SPX-177A comps, 2 Lambda 12" subs.

Re: Ck Eng. Light on #821861 01/07/04 03:08 AM
Joined: Nov 2003 Posts: 58 a mile from the big pond calle... S SErico96 CEG\'er
SErico96 CEG\'er S Joined: Nov 2003 Posts: 58 a mile from the big pond calle...	i'd say find out which o2 sensor it is first but i didn't think it was too hard to do. just jack the car up high enough to get under there, be sure to use jack stands (im sounding like my dad). make sure u have enough light and it can actually be done if u have the right length wrenches and can get ur hands in there. but u can always get the correct o2 sensor socket from autozone for just a deposit. bank 2 sensors are definately easier but the upstream sensor on bank 1 will be the hardest. good luck 96 SE 2.5L MTX for Sale check the classifieds 0-60 in 3.4 now(skidoo formula III 700) 165hp 3cyl i got more done to my sled than u do to your car 12sec all motor H22 stroker 94 accord in progress... looking for 280-300hp outta 2.56 L

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