Scooby snigs Posted January 29, 2016 Share Posted January 29, 2016 Hi advise please . My check engine light is coming on intermittently ,hooked it up to code reader the only thing it lists is the history ,which is air temp fault , reset the fault pulled up at garage with fault showing ,only to find no new codes listed ,anyone any ideas ? .the warning light comes on and off whilst driving ?please help Quote Link to comment Share on other sites More sharing options...
Scooby snigs Posted February 1, 2016 Author Share Posted February 1, 2016 Anyone know ? Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted February 1, 2016 Share Posted February 1, 2016 The air temp fault could be a old code stored from a previous fault that had been fixed but they hadn't reset your ecu afterwards . If the eml light comes on I'd have thought it should have flashed up a code . What's the year / model and what are you using to read /reset the codes ? If it's not broke .....upgrade it 😊 Quote Link to comment Share on other sites More sharing options...
Scooby snigs Posted February 2, 2016 Author Share Posted February 2, 2016 It's a 2.0ltr sport 1999 .the guy at garage says when he put reader it came up with a few faults which he cleared all bar the air temp fault which wouldn't clear . He told me to take it in next time light came on and stopped on which I did but I left it ticking over ,as soon as he got to plug into car the light went our no new faults shown .not sure what reader he was using . Since this happens the light has only been on once for a couple of minutes then cleared .it resets when ignition is turned off &on . Car has been standing for approx 5 yr previously .? Quote Link to comment Share on other sites More sharing options...
Scooby snigs Posted February 13, 2016 Author Share Posted February 13, 2016 Anyone any ideas please Quote Link to comment Share on other sites More sharing options...
stants Posted February 13, 2016 Share Posted February 13, 2016 When he says air temp which sensor was it ? Maybe worth getting a cheap OBD reader from eBay and an app for your phone so you can see the info in real time and log the fault code, could just be a dodgy sensor Quote Link to comment Share on other sites More sharing options...
Scooby snigs Posted February 14, 2016 Author Share Posted February 14, 2016 The problem is when the garage is connecting the code reader it only shows a fault code saying air temp senser fault which won't clear for some reason ? The fault light don't come on and stay on which is concerning. Quote Link to comment Share on other sites More sharing options...
stants Posted February 14, 2016 Share Posted February 14, 2016 Could be like the lambda fault, mine used to flash up once and go but the code was stored until I changed the sensor, did the garage tell you the number of the code ? Quote Link to comment Share on other sites More sharing options...
Scooby snigs Posted May 2, 2016 Author Share Posted May 2, 2016 No he just said it's saying air temp sensor but I can't find one on car ? Quote Link to comment Share on other sites More sharing options...
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