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02 sensor light blinked on a few times
Hi! Searched threads, but to no avail. (user error?)
Light blinked on for a few seconds twice today w/in 3 minutes. Never again. 02 sensor on the way out? Where is it? How much is it? Can an idiot replace it? Will I get stranded if it goes? Thanks for any help! -Mel 1985 190E Last edited by Mel Weaver; 04-16-2003 at 11:01 PM. |
#2
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OK I'll answer what I can..
1.. Probably
2.. Scewed into the exhaust pipe before the catalytic converter 3... ????? 4... Probably it's pretty easy unplug, and unscrew 5.. absolutely not
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89 300SEL Money Pit 92 Blown Buick Ultra Pimpmobile 220K and adding 1K per week 88 Wagoneer Slightly modified (Not for soccer moms) 04 Kia Sedona with every option... NICE |
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Mel, has the sensor ever been replaced? My guess is no, since you still have a bulb in the holder. In the '85, there is an O2 sensor dash bulb that is actuated by the odometer at approximately 60K miles. It's a non-resetable switch, so the service manual instructions are to "remove the bulb" which is somewhat akin to my favorite practice of cutting a piece of electrical tape to cover a glowing "idiot light" but I digress . . .
The Bosch O2 sensor at the dealership will run you over $100, BUT, if you search here you'll find out that the Ford Mustang 5.0 uses the identical Bosch part (you'll have to splice your own wires and use heat shrink tubing) for under $50 at the local FoMoCo parts place. Or, Oxygensensors.com has a full kit with a non-Bosch sensor for $50. If you know which end of a wrench or ratchet does the work and can get under the car safely, it is a DIY job, much like swapping out spark plugs (remember to use anti-sieze compound) One feature of the '85's CSI fuel injection system is that if the electronics (the computer connected to the sensor) fails, the system defaults to mechanical mode. The engine will run really rich and you'll notice it, but you will be able to drive the car safely. |
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Thanks guys! I really appreciate your thoughts, responses, etc.
FYI light hasn't come on in over 150 miles of driving since yesterday. Thanks again! Have a nice Holiday! -Mel |
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