tina n paul Posted February 3, 2014 Share Posted February 3, 2014 Hi all , ok the wifes N/a Aerotop is drinking fuel i changed plugs air filter oil et inc gearbox oil service , no warning lights on dash I don't have the code reader equipment here . but i need to get the cars codes scanned to see if any of the lambda sensors are at fault .. As i don't really want to replace all four sensors at cost if i have to i will ,if there all shot , anybody near to surrey have the right code scanner reader that will identify any faults etc Im willing to travel any help appreciated cheers Paul Quote Link to comment Share on other sites More sharing options...
supra joe Posted February 3, 2014 Share Posted February 3, 2014 You can do it with a paperclip, there's a guide to the error codes on here too. Quote Link to comment Share on other sites More sharing options...
Gaz6002 Posted February 3, 2014 Share Posted February 3, 2014 Clean the 02 sensor first Quote Link to comment Share on other sites More sharing options...
David P Posted February 3, 2014 Share Posted February 3, 2014 Clean the 02 sensors first Quote Link to comment Share on other sites More sharing options...
Scooter Posted February 3, 2014 Share Posted February 3, 2014 I might have some used sensors you could swap in just to see if they make a difference.......when you did the plugs was the centre channel clean or oily? Quote Link to comment Share on other sites More sharing options...
tina n paul Posted February 3, 2014 Author Share Posted February 3, 2014 I might have some used sensors you could swap in just to see if they make a difference.......when you did the plugs was the centre channel clean or oily? There was some slight oil but nothing like pools of it , Quote Link to comment Share on other sites More sharing options...
tina n paul Posted February 3, 2014 Author Share Posted February 3, 2014 Just read the code reading link. is this the same for N/A Quote Link to comment Share on other sites More sharing options...
stevie_b Posted February 3, 2014 Share Posted February 3, 2014 Clean the 02 sensor first What's the best way to clean them? Lemon juice used to be suggested a lot, but not sure if it does any good, or even does any harm. Quote Link to comment Share on other sites More sharing options...
Gaz6002 Posted February 3, 2014 Share Posted February 3, 2014 What's the best way to clean them? Lemon juice used to be suggested a lot, but not sure if it does any good, or even does any harm. I used lemon juice and it worked brilliantly Quote Link to comment Share on other sites More sharing options...
tina n paul Posted February 3, 2014 Author Share Posted February 3, 2014 Cheers will give that a go first ,, ps i no you don't use carb cleaner ,, also here good results on lemon juice and soaking in petrol Quote Link to comment Share on other sites More sharing options...
tina n paul Posted February 3, 2014 Author Share Posted February 3, 2014 (edited) Update code scanner read code 24 open or short circuit in air intake temp circuit for more than 0.5 secs , stupid question if i change it i should be good to go Theres no other faults that could mask it is there ? Its the one that sits in the air intake box , Does anybody have a link for somewhere i could check the resistance of the air intake temp sensor to check it out before i order a new one Edited February 3, 2014 by tina n paul (see edit history) Quote Link to comment Share on other sites More sharing options...
Tayfun.tugra Posted February 4, 2014 Share Posted February 4, 2014 Update code scanner read code 24 open or short circuit in air intake temp circuit for more than 0.5 secs , stupid question if i change it i should be good to go Theres no other faults that could mask it is there ? Its the one that sits in the air intake box , Does anybody have a link for somewhere i could check the resistance of the air intake temp sensor to check it out before i order a new one Hi, Have you erased historic codes and tried again? Sensor resistance. http://www.mkivsupra.net/vbb/showthread.php?238522-2JZ-sensor-resistance! Quote Link to comment Share on other sites More sharing options...
tina n paul Posted February 4, 2014 Author Share Posted February 4, 2014 Ok cheers Tayfun .. Will a battery disconnect clear the codes or am i going to need a scanner machine i have obd11 scanner but im pretty sure its obd1 port on supra . unless theres another way to clear the code? Quote Link to comment Share on other sites More sharing options...
fastcar Posted February 4, 2014 Share Posted February 4, 2014 (edited) Disconnect the battery for about a minute and it will clear the previouse codes then start the car and let it run for a while and try it again Edited February 4, 2014 by fastcar (see edit history) Quote Link to comment Share on other sites More sharing options...
Dnk Posted February 4, 2014 Share Posted February 4, 2014 If that doesn't fix your problem i'd have a look at the brakes to make sure you've not got a caliper/s seizing, this can seriously hurt your mpg, low tyre pressures won't help either Quote Link to comment Share on other sites More sharing options...
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