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When you cover the rear sensor the CEL can come back on. My friend that has done it on a 1999 sunfire and 1996 Tacoma says the car will throw a CEL about once every 4 to 6 weeks and his Tacoma gives a CEL about once or twice a year.
He has a scangauge in both vehicles so when the CEL comes on he turns it right back off.
He gutted the converter in the taco after it started to plug up from 250,000 miles of use, first he replaced the plugged up converter with a $400 dealer converter because he is fanatical about "keeping vehicles stock" then about a year later right about the time warrantee was up he failed Virginia state vehicle inspection because the converter catalyst was rattling around inside the housing. I was back in country the second time the converter failed and implemented the final solution, with my hammer drill and 3/4'' bit.
Both have duct sheet metal wrapped around the rear O2.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
Last edited by oil pan 4; 03-29-2016 at 04:05 PM..
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