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| GTI in sierra rev problem https://auszookers.com/forum/viewtopic.php?f=5&t=29321 |
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| Author: | jimbo_jones [ Fri Jan 06, 2012 9:09 am ] |
| Post subject: | GTI in sierra rev problem |
ok so Ive had my GTI mk3 using factory comp donk in for a few months now and it has developed a bit of a problem 
when cold if I bring the revs up to 1500 and hold it, it will drop back to idle for a sec then got back up will do this over and over (even while driving which make it bunny hop) till its warm then its all good I dont have a vss hooked up can this be the problem? also can the tps couse this? if I bring the revs up past 1500 it wont do it. cheers |
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| Author: | jimbo_jones [ Fri Jan 06, 2012 9:12 am ] |
| Post subject: | Re: GTI in sierra rev problem |
I put this on redlinegti as well may get some good info there 2 |
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| Author: | jimbo_jones [ Fri Jan 06, 2012 9:22 am ] |
| Post subject: | Re: GTI in sierra rev problem |
oh and I dont have a engine check light hooked up either will try this tommorow and see if it fixs it |
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| Author: | zookfun [ Fri Jan 06, 2012 9:46 am ] |
| Post subject: | Re: GTI in sierra rev problem |
Is it doing this? http://www.youtube.com/watch?v=2bAOv56mSCM |
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| Author: | superduki [ Fri Jan 06, 2012 10:05 am ] |
| Post subject: | Re: GTI in sierra rev problem |
TPS is out of calibration Jimbo, common problem. My turbo GTi daily does this sometimes. Also the cold Idle valve (thingo on the manifold with coolant hoses going into it) might be getting sad. Everytime I've bled the cooling system on the GT after doing repairs it will flare like that until it bleeds up. Redline certainly will tell you how to reset the tps. Superduki. |
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| Author: | jimbo_jones [ Fri Jan 06, 2012 11:31 am ] |
| Post subject: | Re: GTI in sierra rev problem |
zookfun wrote:
simlier but only when I hold the revs up to 1500 rpm wont do it at idle and only when cold |
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| Author: | jimbo_jones [ Fri Jan 06, 2012 11:32 am ] |
| Post subject: | Re: GTI in sierra rev problem |
superduki wrote: TPS is out of calibration Jimbo, common problem. My turbo GTi daily does this sometimes. Also the cold Idle valve (thingo on the manifold with coolant hoses going into it) might be getting sad.
Everytime I've bled the cooling system on the GT after doing repairs it will flare like that until it bleeds up. Redline certainly will tell you how to reset the tps. Superduki. I disconected the csv Im put money on the tps from what Ive read they seem to play up onr the gti's |
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| Author: | jonno_racing [ Fri Jan 06, 2012 11:33 am ] |
| Post subject: | Re: GTI in sierra rev problem |
I'm with superduki. tps, its "hunting". arnt u a mechanic jimbo? |
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| Author: | DAZOOK [ Fri Jan 06, 2012 10:07 pm ] |
| Post subject: | Re: GTI in sierra rev problem |
jonno_racing wrote: arnt u a mechanic jimbo?
Just because he is a mechanic doesnt mean hes not gonna get stuck with things lol.. Back in the day when we had idle probs with a gti my boss used to pull the do-dad thats on the manifold between the firewall. He used to pull it apart do something and refit it and then would be running fine again. Its the cylindrical thing. i know im not much use but it could be the reason 
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| Author: | jonno_racing [ Fri Jan 06, 2012 11:11 pm ] |
| Post subject: | Re: GTI in sierra rev problem |
cold idle valve... |
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| Author: | jimbo_jones [ Sat Jan 07, 2012 3:57 am ] |
| Post subject: | Re: GTI in sierra rev problem |
jonno_racing wrote: cold idle valve...
not conected Ill have a play with the tps when it cools down in the arvo |
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| Author: | superduki [ Sat Jan 07, 2012 7:05 am ] |
| Post subject: | Re: GTI in sierra rev problem |
Yep if that cold Idle valve isn't connected Jimbo then 99.9% guarantee it's your TPS. Do a search on Redline for "tps reset" and you will find your answer! Cheers Superduki. |
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| Author: | jonno_racing [ Sat Jan 07, 2012 12:23 pm ] |
| Post subject: | Re: GTI in sierra rev problem |
jimbo_jones wrote: jonno_racing wrote: cold idle valve... not conected Ill have a play with the tps when it cools down in the arvo I was refering to dazook.. has to be tps. just fiddle with it when the motor is running to get a ruff tune. |
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| Author: | jimbo_jones [ Sat Jan 07, 2012 10:57 pm ] |
| Post subject: | Re: GTI in sierra rev problem |
tryed to Re-Calibrate the tps yesterday but when turning it clockwise could only get it down to .7 and thats with the tps tured all the way so the tps must be stuffed Ill see if I can find a good one to try |
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