ryan22laird Posted December 1, 2014 Share Posted December 1, 2014 Was driving my glanza the other night the engine check light come on and stayed on done a fault code check and code 22 came up which is open or short circuit in coolant temp.Would this stop the car from starting?Ive herd that some cars will refuse to start if there is no coolant temp signal the car was fine right up in till Saturday night when a was having a blast with a audi ever since the the car struggles to start from cold takes about 8 attempts to start and when it does it idles rough as fuck soon as you give it gas it cuts out but if you start it again and let it heat up it's fine drive & boosts fine and starts fine left it to cool down and it's doing the same thing again Quote Link to post Share on other sites
ROTABOOST Posted December 2, 2014 Share Posted December 2, 2014 Yes it will be a pig to start and will run like crap if the coolant temp is faulty. If the ecu doesn't see a temp it will revert to a preset generic temperature setting. So when it's cold it needs to run a lot richer to run smooth until it warms up, yours isn't doing that, hence your issue bud. Quote Link to post Share on other sites
jimmymac101 Posted December 2, 2014 Share Posted December 2, 2014 Best bet is to change the sensor, mine went and would refuse to start a second time, first drive of the day was fine any thing after was a nightmare to get her started TD sell them for £35ish just check what pin type you have 2 or 3 ? James Quote Link to post Share on other sites
ryan22laird Posted December 2, 2014 Author Share Posted December 2, 2014 Thanks lads changed the sensor over and it's working fine now thanks for your help Quote Link to post Share on other sites
Aamir Posted December 2, 2014 Share Posted December 2, 2014 Was having the same problem with our Demo GT, didn't have a clue what was wrong with it. Did it get worse as in take longer to start or was it the same? Aamir Quote Link to post Share on other sites
mikey4410 Posted December 2, 2014 Share Posted December 2, 2014 those sensors are available from motex for 17 quid.i have a few spare at home lol as a precaution as they do make a big difference to the car if faulty. Quote Link to post Share on other sites
ryan22laird Posted December 2, 2014 Author Share Posted December 2, 2014 Was having the same problem with our Demo GT, didn't have a clue what was wrong with it. Did it get worse as in take longer to start or was it the same? Aamir the car was fine mate until Saturday night was giving it big stick then the engine management light come on and wouldn't go off the next day a went to take the car out it wouldn't start management light was on still on it taken me about 8 attempts to get it going a replaced the engine coolant temp sensor and now it's fine starts first time Quote Link to post Share on other sites
jimmymac101 Posted December 2, 2014 Share Posted December 2, 2014 Was having the same problem with our Demo GT, didn't have a clue what was wrong with it. Did it get worse as in take longer to start or was it the same? AamirMine got worse as the sensor got worse ! Quote Link to post Share on other sites
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