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Bad morning starts and code 62

Posted: Tue Apr 05, 2016 9:33 am
by Spike28278
Hi,

For the past few weeks I've had an issue in the morning where when I start my fto (1994 gr btw) instead of raving to 2k as per usual it seems to struggle a little sitting around the 1k mark sometimes rising and dropping and then it idles normally.

I checked my codes last night and I got 62, which is the stepper motor, but the weird this is I changed it as soon as I bout the car because it was failing to idle. Is it common for these to die after about 8 months?

Re: Bad morning starts and code 62

Posted: Tue Apr 05, 2016 5:40 pm
by Daniel2019
Replace stepper.

Re: Bad morning starts and code 62

Posted: Fri Apr 22, 2016 10:31 am
by Spike28278
So i replaced the stepper motor but I'm still having the same issues, where the morning start up is bad. My codes are also clear now, what else could this be?

Re: Bad morning starts and code 62

Posted: Fri Apr 22, 2016 10:41 am
by Bennoz
Try disconnecting the battery for half an hour, then go for a decent drive. Let the ECU relearn what it should be doing with that new stepper.

Re: Bad morning starts and code 62

Posted: Fri Apr 22, 2016 7:59 pm
by Spike28278
Thanks, ill give it a go and let you know how it goes

Re: Bad morning starts and code 62

Posted: Sat Apr 23, 2016 9:47 pm
by destinationtoby
Spike28278 wrote:raving
:afro: :hb: :geny: :hoover:

Re: Bad morning starts and code 62

Posted: Sun May 01, 2016 5:02 am
by Spike28278
so I unhooked the battery for about half an hour and i think it worked, cold starts dont struggle anymore but maybe every 4 or 5 mornings itll have a bad start

Re: Bad morning starts and code 62

Posted: Sun May 01, 2016 10:16 am
by Sahin
Mine used to do this randomly, I'm pretty sure it's carbon build up inside the throttle body clogging the stepper from getting air in