now the CAT light blinks

1997 VOLKSWAGEN GOLF
105,000 MILES
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HA_RACE
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I converted my golf mk3 1.6 to vr6 2.8 engine. the half cut came without the 2nd o2 sensor. now the CAT light blinks n engine produce smokes.the terminal that goes to the rear o2 sensor has 2wires green and white.pls advice.tq
Feb 14, 2012 at 9:05 AM
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KHLOW2008
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You need to get an O2 sensotr to install and start from there. If the MIL does not go away, get a scan done to retrieve the trouble code.
Feb 14, 2012 at 12:45 PM
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HA_RACE
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the problem now I couldnt find o2 sensor with two wires.the one in the market now with 3 or 4wires.Is there any alternative to change the sensor?pls advice.tq
Feb 14, 2012 at 6:01 PM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Have you tried the junkyards for the 2 wire O2 sensors?

You need to know the sensor paramaters to be able to get any substitutes
Feb 14, 2012 at 9:12 PM
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