15vtec-e Posted March 30, 2016 Share Posted March 30, 2016 Hello - anything else to check for code 48 ? And can anyone recommend a good place to buy from? First time the diagnostic light has come on. Engine still runs as normal once I reset (switch off and back on) the ignition and the engine light does not come back on. I think it must be temeperature related as I have a 5 wire sensor and when the engine has done a couple of miles it has enough ambient warmth to fool the sensor. Still sips petrol, so I'll keep it going for a bit longer if possible. thanks Quote Link to comment Share on other sites More sharing options...
Gel Posted March 31, 2016 Share Posted March 31, 2016 Wow ! that's impressive mileage Pete. This thread may help : https://civic5.com/forum/topic/10121-lambda-sensor-5-wire/#comment-267017 If your car has excessive oil consumption.....might be better to ignore the Lambda woes ? 1 Quote Link to comment Share on other sites More sharing options...
15vtec-e Posted March 31, 2016 Author Share Posted March 31, 2016 Hello Gel - thanks for the useful links. I've seen NGK 5 wire O2 sensors on the interweb - though costly. Just wanted to be sure the code 48 wasn't caused by another reason before buying. Are you still running a 4 wire O2 sensor ? And what engine ? Mine is the cooking 15DZ3. Pete Quote Link to comment Share on other sites More sharing options...
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