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baffling ABS codes and wheel sensor source?
Posted by Erwin Timmers [Email] (more from Erwin Timmers) on Sun, 19 Mar 2006 11:50:35
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My ABS light started coming on about 2 weeks ago. It goes off if I start the car and idle, but it comes on as soon as I've driven a few yards. My mechanic had replaced the ECU on my '89 with a '90 unit, so I could pull codes, but I'm baffled.
I consistently get 3 codes, all three are for wheel sensors. When I check them for continuity, only the front driver side shows an intermittent break. The two rear sensor continuity check out fine, both at the ECU plug, and at the connectors under the rear seats. I didn't check outgoing voltage at speed. It seems so unlikely to me that within 2 weeks time, 3 sensors go bad. Is there anything else I could be overlooking? A relay perhaps, or other connector?
If not, anyone know of a source for these sensors? Prices for new ones seem to hover around $150 a piece, if they're evn available. Getting used ones doesn't seem to make sense, unless you know they haven't seen much mileage.
Thanks for any input -- Erwin
posted by 68.50.3...
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