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Model specific boards => Golf mk4 => Topic started by: Grand Master Patch on 23 August 2009, 21:43

Title: Car Cut Out At Traffic Lights
Post by: Grand Master Patch on 23 August 2009, 21:43

Looking for a bit of guidance here,my car cut out while waiting at some traffic lights any idea what could have caused it?

Title: Re: Car Cut Out At Traffic Lights
Post by: richw911 on 23 August 2009, 21:54

Any fault codes?

MAF?

How does it drive now?

Title: Re: Car Cut Out At Traffic Lights
Post by: johnson6672 on 23 August 2009, 21:54

Did it restart and run after?? congrats on the 1000 post :grin:

Title: Re: Car Cut Out At Traffic Lights
Post by: Wazzzer on 23 August 2009, 21:56

strange one mate, faulty ignition amp?

Title: Re: Car Cut Out At Traffic Lights
Post by: Grand Master Patch on 23 August 2009, 21:58

Not had chance to scan it yet,the car started and ran fine for the rest of the journey.The maf is brand new so i doubt it will be that,i'll scan in tomorrow.

Title: Re: Car Cut Out At Traffic Lights
Post by: tg1 on 23 August 2009, 21:59

dirty throttle body?

Title: Re: Car Cut Out At Traffic Lights
Post by: Grand Master Patch on 23 August 2009, 21:59

Quote from: Wazzzer on 23 August 2009, 21:56

strange one mate, faulty ignition amp?

Ignition amp-would that throw a code up? I really need to fit my std airbox so it can be cooled in the airbox.

Title: Re: Car Cut Out At Traffic Lights
Post by: johnson6672 on 23 August 2009, 22:00

Odd one, i used to have a barge that did this and never did find the fault, i have heard about sensor faults causing this.

Title: Re: Car Cut Out At Traffic Lights
Post by: richw911 on 23 August 2009, 22:01

Quote from: Patch on 23 August 2009, 21:59

Quote from: Wazzzer on 23 August 2009, 21:56

strange one mate, faulty ignition amp?

Ignition amp-would that throw a code up? I really need to fit my std airbox so it can be cooled in the airbox.

Friend of mine had faulty ignition amp which was showing no codes  :wink:

Title: Re: Car Cut Out At Traffic Lights
Post by: topher on 23 August 2009, 22:39

ignition amp will rarely throw a code on AGU's... no missfire detection

if its only cut out the once it may never happen again, just one of those gremlins or ecu brainfarts

Title: Re: Car Cut Out At Traffic Lights
Post by: Grand Master Patch on 23 August 2009, 22:49

I'll scan it and see what comes up.

Title: Re: Car Cut Out At Traffic Lights
Post by: Grand Master Patch on 24 August 2009, 20:12

Right oh,just got back from having my car scanned and it came up with two faults,the MAF(could be an old fault as i have a brand new one on),and a fuel mixture fault.How can i check the fuel mixture?

Title: Re: Car Cut Out At Traffic Lights
Post by: topher on 24 August 2009, 20:19

thats possibly the result of your old knackered maf.. giving the engine wrong readings for air intake causing the fueling to be out.

Log block 31 on some 3rd gear WOT runs to check the o2 correction if you're concerned.. or borrow a wideband lambda from someone. (that kind of stuff will be checked when you come over for the remap anyway)

Title: Re: Car Cut Out At Traffic Lights
Post by: Grand Master Patch on 24 August 2009, 20:21

Cleared the faults and they didn't come back,but it's hunting for revs whilst idling.

Title: Re: Car Cut Out At Traffic Lights
Post by: topher on 24 August 2009, 20:24

cleaned your throttle body lately? also check all the breather hoses for leaks.. you wouldn't believe how many of those we've had to replace in the last 2 weeks :undecided:

Title: Re: Car Cut Out At Traffic Lights
Post by: Grand Master Patch on 24 August 2009, 20:35

Not done the throttle body for a while,somebody mentioned ignition amplifier since i bought the car it's been mounted on the bulkhead,could it have got to hot?

Title: Re: Car Cut Out At Traffic Lights
Post by: topher on 24 August 2009, 20:40

possible mate, but i would've thought that would affect the firing across the whole rev range and not just at idle.... but then again these vw parts seem to fail in some interesting ways!

Title: Re: Car Cut Out At Traffic Lights
Post by: ALEXS1.8T on 24 August 2009, 21:28

i have the same prob  but it has good days and bad lol went out saturday stalled twice and was chassing the idel but on sunday nothing ran fine has been doin it on and off for few weeks......   have not had it scanned as yet but iam gettin new maf at weekend.... so ill give that a try and see wot happens

Title: Re: Car Cut Out At Traffic Lights
Post by: linz on 25 August 2009, 12:18

dont you just love it when they do that  :rolleyes: