51KBA 2005 BA MK11 turbo Member 140 Member For: 20y 8m 15d Gender: Male Location: sunshine coast Posted 15/02/15 05:25 AM Posted 15/02/15 05:25 AM hey guys im having some intermittent trouble with my XR6T 2005 MK11 auto , firstly back ground on the car , 42 lb injectors bigger in tank pump big nizpro cooler and 3 inch piping 2.5 inch hot side 4 inch Plazmaman turbo side intake 4 inch dump 4 inch cat to twin 2.5 to the tail been tuned Atomic valve springswhich is all kind of irrelevant seeing that this happened before any of this was done to the car so what the problem is on startup in the morning taking it for a spin its running smooth and rich with heaps of power it feels magnifecent to drive , then after a little while (say 10 minutes) as it settles into operating temperature the AFR gauge ( narrowband) , yes people I know its only narrowband and cant give a definitive gauge of the actual AFR , but why I use this as a reference is , watching the gauge when its running beautiful the gauge reads rich , when its erratic and all over the place is when it runs badly, it can run like this for a undefined time , so im not sinking the boot in . then when it comes good again it goes like a rocket ship again , but sometimes it doesnt come good again that day , until I start it the next day and its back to normal until it gets hot again ( normal operating temp )- I thought it may have been an O2 sensor so I replaced that , still no improvement - Replaced intake and throttlebody gaskets - this happened before and after tuning and nothing was found to be amiss during the tuning- the car sometimes coughs badly but only when turning right (leading a mate to point me in the direction of the BCM)- has new plugs and coils I'm really drawing a blank with this one, and I dont wanna start replacing everything until it stops , who can afford that? any help with this will be appreciated thanks -
Bizkets is Drunk? Too heavy needs boost Member 5,929 Member For: 13y 1m 14d Gender: Male Location: Adelaide Posted 15/02/15 07:00 AM Posted 15/02/15 07:00 AM Fuel pump or fuel filter maybe.
51KBA 2005 BA MK11 turbo Member 140 Member For: 20y 8m 15d Gender: Male Location: sunshine coast Posted 15/02/15 07:08 AM Author Posted 15/02/15 07:08 AM Fuel pump or fuel filter maybe.both new mate, cheers , did this before and after new pump and filter
Ralph Wiggum Moar Powar Babeh Legacy Donating Member 19,334 Member For: 20y 11m 27d Gender: Male Location: Perth Posted 15/02/15 07:12 AM Posted 15/02/15 07:12 AM Sounds like you've got a sik ba? 1
JETURBO ...JD TUNING ADELAIDE... Legacy Donating Member 23,708 Member For: 18y 3m 19d Gender: Male Location: Adelaide Posted 15/02/15 07:34 AM Posted 15/02/15 07:34 AM Boom tish 1
Rab WOT? Legacy Donating Member 10,981 Member For: 13y 6m 25d Gender: Male Location: Frankston, 3199 Posted 15/02/15 07:48 AM Posted 15/02/15 07:48 AM Probably a stupid suggestion, but as it's intermittent and only once warm/hot - see if it ties in with the thermo's kicking in. Maybe the (slightly) extra load is highlighting a battery or other elec issue.
51KBA 2005 BA MK11 turbo Member 140 Member For: 20y 8m 15d Gender: Male Location: sunshine coast Posted 15/02/15 08:05 AM Author Posted 15/02/15 08:05 AM Probably a stupid suggestion, but as it's intermittent and only once warm/hot - see if it ties in with the thermo's kicking in. Maybe the (slightly) extra load is highlighting a battery or other elec issue.thanks mate I havent thought of that cheers I'll give it a go
Rab WOT? Legacy Donating Member 10,981 Member For: 13y 6m 25d Gender: Male Location: Frankston, 3199 Posted 15/02/15 08:09 AM Posted 15/02/15 08:09 AM Wouldn't come up at the tuner's either - takes more than a dyno run to kick the thermo's off
51KBA 2005 BA MK11 turbo Member 140 Member For: 20y 8m 15d Gender: Male Location: sunshine coast Posted 15/02/15 08:52 AM Author Posted 15/02/15 08:52 AM Wouldn't come up at the tuner's either - takes more than a dyno run to kick the thermo's offcheers mate , but no it doesnt seem to happen with the cutting in and out of the thermo's its much less intermittent than that but thanks anyways
Rab WOT? Legacy Donating Member 10,981 Member For: 13y 6m 25d Gender: Male Location: Frankston, 3199 Posted 15/02/15 08:57 AM Posted 15/02/15 08:57 AM No probs - was a long shotHave you checked the boot for one of these?
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