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Found 1 result

  1. propane
    1992 Legacy Wgn, Auto trans, hi mi 266K just failed emissions due to hi carbon monoxide -23.04 grams per mile- limit: 15.0 GPM (fail), hydro carbon also seemed high at .70 GM (standard, 1.5 pass) No CEL on, starts way hard- must crank & crank when cold, seems to flood exhaust smells like gas even warm takes 2 tries. Would this be ECM temp sensor (2 wire) ? (from other posts) Prior to test I put NGK copper plugs in , wires were after Mkt. Aired tires to 32psi &changed oil ( dyno test), The sludge that was in there was fuel smelling so.. it got changed. Prior to plug change the CEL had occasionally come on, during long drawn out crank to starts, I figure its over whelming the cat w/ un burnt fuel. Once running idles smooth, full power, only work other than to change out badly gapped Autolite plugs (sooty) was battery got disconnected when I replaced bad seat belt retractor. Do injectors wear out at this mileage? where to start looking? Thx
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