#1: gti misfire between 1and 2000rpm Author: sean.r.steward, Location: norfolkPosted: Mon Dec 15, 2014 7:04 pm ---- Hi all my gti have developed a misfire. Its not a aurfulley bad one yet. It tick other fine and above 2g it pull like a train. 30mph in 4th driving its like im twitching the throttle. Its not smooth at all. I have a spare engine. I have swop tested sparkplugs coil pack and injectors. Also contact cleaned multiplug.
I will probably swap the crank sensor tomorrow. But it starts fine
Any ideas my frends or relative threads I can visit
#2: Re: gti misfire between 1and 2000rpm Author: gazza82, Location: South BucksPosted: Tue Dec 16, 2014 5:16 am ---- What make of coilpack and what plugs are you running?
#3: Re: gti misfire between 1and 2000rpm Author: kandlbarrett, Location: SwindonPosted: Tue Dec 16, 2014 5:23 am ---- Time to:-
1) Do a scan, note codes and clear them.
2) Start engine from cold, take it for a drive and get it properly up to temperature, rescan for faults.
Start from there.
Possibly add compression check and note of spark plug colour.
Did your plug swap show which cylinder was misfiring?
And my favourite - double check with the assistance of a mate for exhaust leaks. Block the tailpipe with a damp rag. Get your mate to look under the car and in the engine bay for any leaks. Also look closely at all the plastic and rubber engine breather pipes under the bonnet for any leaks.
#4: Re: gti misfire between 1and 2000rpm Author: MrBSI, Location: What's it to you? ? ?Posted: Tue Dec 16, 2014 12:48 pm ----
sean.r.steward wrote:
30mph in 4th driving its like im twitching the throttle. Its not smooth at all.
Change down to 3rd.
30 mph in 4th isn't doing the engine much good in the long run.
#5: Re: gti misfire between 1and 2000rpm Author: sean.r.steward, Location: norfolkPosted: Mon Dec 22, 2014 9:02 am ----
MrBSI wrote:
sean.r.steward wrote:
30mph in 4th driving its like im twitching the throttle. Its not smooth at all.
Change down to 3rd.
30 mph in 4th isn't doing the engine much good in the long run.
O really lmao. How irelivent. so your saying dont drop below 3 grand. It wont do an engine any good. A very very large majority of car vans will sit at 30 on flat road in 5th/6th no problem
#6: Re: gti misfire between 1and 2000rpm Author: sean.r.steward, Location: norfolkPosted: Mon Dec 22, 2014 9:11 am ----
kandlbarrett wrote:
Time to:-
1) Do a scan, note codes and clear them.
2) Start engine from cold, take it for a drive and get it properly up to temperature, rescan for faults.
Start from there.
Possibly add compression check and note of spark plug colour.
Did your plug swap show which cylinder was misfiring?
And my favourite - double check with the assistance of a mate for exhaust leaks. Block the tailpipe with a damp rag. Get your mate to look under the car and in the engine bay for any leaks. Also look closely at all the plastic and rubber engine breather pipes under the bonnet for any leaks.
Thats for the advice
Spark plg color all the same and normal good running color
I have swap tested throttle body, cleaned map. Still the same
Im going to get a new crank senser tomorrow. See if that is going to make a difference
I have no management light on and I haven't had it scaned. I have a code reader but it wont connect to this car
#7: Re: gti misfire between 1and 2000rpm Author: kandlbarrett, Location: SwindonPosted: Tue Dec 23, 2014 2:10 pm ---- Have you done any of the tests I have recommended including reading the codes? Why jump straight to crank sensor? Changing parts as you are doing by guess work quickly gets expensive.
#8: Re: gti misfire between 1and 2000rpm Author: sean.r.steward, Location: norfolkPosted: Tue Dec 30, 2014 11:12 am ---- Not when you have a complete engine in your garden Lool
All test said on here have been done no codes. New crank sensor. No different
In going to pull the inlet manifold off and hope to see a naff seal\gasket.
If not I'm going to go to as may track days as I can and if it blows up it gives me an excuse to buy a type r hehe
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