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Model specific boards => Golf mk4 => Topic started by: davemk4 on 11 July 2013, 10:20
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2001 AUM...... out of blue today just put alittle hard push in 1st andvon gear change made a huge pop back fire sound alittle smoke but car drives 100% spot on no engine lights nothing . Previous to this i have had odd pops from 1st to 2nd really mild though. All boost is fine no odd sounds any ideas? Bad map?
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mine done this today and with erratic idle :undecided:
smoothed out a little after a bit of motor way driving but my boost gauge needle drops and rises whilst idling :sad:
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I have the same problem but happens when I brake hard?? Had to do emergency stop about week ago and again yesterday and there was a loud bang/pop, thought my tyre had blown or something had gone on the brakes but checked it all and everything is fine.
Also passed MOT week ago and had new lower arms and bushes put on so can't be any issues with the brakes or suspension can it??
One thing I did notice was an eggy smell after the second time kinda catalytic converter smell but then it could of been something in the air?!?!
Baffled and slightly worried :huh:
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mine done this today and with erratic idle :undecided:
smoothed out a little after a bit of motor way driving but my boost gauge needle drops and rises whilst idling :sad:
Mine also got none smooth idle it used to never move now as like yours you can see boost gauge needle moving....
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Blockage or crap built up in the cat :undecided:
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no cat, straight through 3"-2.5" :undecided:
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Both of you, check your small vac lines
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No cat in mine. Which do you mean wazzer?
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Any of the lines off the inlet manifold including the one underneath. You can pull air in through them under load which cause popping and banging
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My idle issue started after my dyno session wonder if a pipe not on or summit...
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tried a throttle body alignment?
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Mine sometimes pops a flame out on hard acceleration if this counts :evil:
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yer TB adaption was done a while back
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TB auto alines itself so wouldnt have an issue with that, maybe its due another clean, will get it done this weekend and report
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TB auto alines itself so wouldnt have an issue with that, maybe its due another clean, will get it done this weekend and report
How does the throttle auto align?
Has to be done with vagcom to do done properly
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i cleaned mine last year, turned the ket to ingnition and left it for about 30 seconds, heard it whirring away and then started engine and has been absolutely fine, drove to scotland and back no issues
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Can any1 help me out... I want my car to pop and bang any ideas??
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How can I get mine to pop n bang? Any help would be good.
Thanks
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How can I get mine to pop n bang? Any help would be good.
Thanks
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Mine sometimes pops a flame out on hard acceleration if this counts :evil:
:grin:
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How can I get mine to pop n bang? Any help would be good.
Thanks
Turbo back exhaust including decat and a remap.
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Seeing as none of you have a CAT thats is your answer right there, sounds like you both have speed shifted which can cause a flow of unburnt fuel to enter the exshaust and you guessed it casues flames, pops and bangs. Very common in De-catted cars.