sabeckie Inactive Members 1 Member For: 10y 10m 15d Posted 24/03/14 06:17 AM Share Posted 24/03/14 06:17 AM so basically I bought a 2004 mk1 xr6 turbo from a dealer two days ago. it has been majorly serviced 10,000kms ago and has new coil packs and new spark plugs (week old) in drive when the engine is warm it idles very low and the car shakes and sometimes comes to a stall. I put it back in neutral and it starts up with a low idle again. any ideas what causes this/steps to take? also with my footdown it sometimes backfires, pretty standard thing but is this a issue?pretty pissed off as when we test drove it and stuff it idled a lil lumpy but then was fine with fresh fuel but now I feel like ive bought a bag of sh*te. Link to comment Share on other sites More sharing options...
Spyathe Donating Members 872 Member For: 11y 3m 9d Gender: Male Posted 24/03/14 07:47 AM Share Posted 24/03/14 07:47 AM Warranty is your friend 1 Link to comment Share on other sites More sharing options...
Skinny_B New Member 4 Member For: 13y 8m 12d Posted 25/03/14 04:51 AM Share Posted 25/03/14 04:51 AM I'm having the same problem at the moment. Iv'e been using BP 98 fuel ever since iv'e owned it. Fuel filter blockage? any help would be great.Cheers. Link to comment Share on other sites More sharing options...
Spyathe Donating Members 872 Member For: 11y 3m 9d Gender: Male Posted 25/03/14 05:13 AM Share Posted 25/03/14 05:13 AM I've been having similar issues, hasn't stalled on me yet though, I'd say it's a fuel issue, replace filter and check the sock on the pump pickup Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 4m 15d Gender: Male Location: Perth Posted 25/03/14 05:23 AM Share Posted 25/03/14 05:23 AM I'd suggest the basics. Clean the throttle body as a first port of call for idle issues, then look for air leaks in and around the intake manifold.Re the back firing, who replaced the coils/plugs? If the coils not genuines they are know to cause all sorts of issues. Is the car tuned? if it is spark plug gaps need to be adjusted accordingly. Link to comment Share on other sites More sharing options...
TXR05 Member 181 Member For: 13y 7m 24d Gender: Male Location: Brisbane QLD Posted 11/04/14 02:07 AM Share Posted 11/04/14 02:07 AM I had the same problem dealt with it for 2 years. Replaced my TPS sensor with the BF ( rectangle NOT the triangle one ) as mine failed and put the car into limp mode a few times. It's been 100% fine after the replacement. No stalling, no low idle, throttle response was back. Was a very happy upgrade. Also cleaned the Throttle body with contact cleaner, and all plugs. So it was one or the other. Either way, it's fixed now. Link to comment Share on other sites More sharing options...
Skinny_B New Member 4 Member For: 13y 8m 12d Posted 17/07/14 12:26 AM Share Posted 17/07/14 12:26 AM I had a similar problem with my 03 auto,Idle was low around 600rpm in drive and reverse but was very lumpy, cleaned throttle body and still lumpy, then checked for a vaccum leak and the inlet manifold gasket was poked.replaced it myself and Idle is now smooth but still quite low in D and R, around 550rpm, but in N it sits happily at 800ish.Still dont know why lol I just had the auto box rebuilt so it cant be that. Link to comment Share on other sites More sharing options...
gsd112 Donating Members 604 Member For: 14y 5m 3d Gender: Male Location: Penrith Posted 17/07/14 05:48 AM Share Posted 17/07/14 05:48 AM Fgs idle at 550 standard. Link to comment Share on other sites More sharing options...
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