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Model specific boards => Golf mk3 => Topic started by: Shizzle on 10 February 2014, 08:22

Title: Flat Spot/Hesitation between 3000 and 4000 RPM Valver
Post by: Shizzle on 10 February 2014, 08:22

Flat Spot/Hesitation between 3000 and 4000 RPM a friend of mine is having these troubles on his GTI 16V.
I have not come across these troubles on my golf and have no clue can any one help.

Starts up 1st time no idle issues no running issues before 3000 and after 4000rpm it drives fine with no faults.
But loses all power at 3000 rpm until around 4000rpm.

Title: Re: Flat Spot/Hesitation between 3000 and 4000 RPM Valver
Post by: Len on 10 February 2014, 10:19

ECU relay

Title: Re: Flat Spot/Hesitation between 3000 and 4000 RPM Valver
Post by: Shizzle on 10 February 2014, 11:34

Thank you i'll let him know  :smiley:.

Title: Re: Flat Spot/Hesitation between 3000 and 4000 RPM Valver
Post by: Len on 10 February 2014, 12:53

Thats first port of call as its and easy and cheap fix.
If that doesnt fix it then you had best read up on it here as there can be many other causes, but thats always been my favourite for that fault

Title: Re: Flat Spot/Hesitation between 3000 and 4000 RPM Valver
Post by: tweed on 10 February 2014, 13:29

Coil is good for that too

Title: Re: Flat Spot/Hesitation between 3000 and 4000 RPM Valver
Post by: GOLF-MK3-GTI on 10 February 2014, 13:58

Maf Sensor.

Title: Re: Flat Spot/Hesitation between 3000 and 4000 RPM Valver
Post by: Len on 10 February 2014, 15:27

He said no faults so assume he has checked for codes which is why I said ECU relay as that doesnt show up on a code reader.

Title: Re: Flat Spot/Hesitation between 3000 and 4000 RPM Valver
Post by: Shizzle on 11 February 2014, 08:32

He Has ordered that ECU Relay £12 il let you know how it goes MAF????

Title: Re: Flat Spot/Hesitation between 3000 and 4000 RPM Valver
Post by: bigberty101 on 11 February 2014, 13:55

you don't have a maf on valvers ( mass air flow sensor near airbox on 8v) but you do have a map sensor in the ecu run by a vacuum line off the back of the inlet