boost69 Donating Members 737 Member For: 19y 6m 2d Posted 21/05/10 02:40 AM Share Posted 21/05/10 02:40 AM Guys still have a persistent rough idle problem even after changing plugs,O2 sensor and cleaning throttle body...Its a BF MAark II and Im assuming that the TPS unit is not at fault because it would have the updated one and my revs dont go up and down but are constant though the car idles rough.Just wondering if a faulty PCV valve coulde be causing my problem...(car is stock) Link to comment Share on other sites More sharing options...
boost69 Donating Members 737 Member For: 19y 6m 2d Posted 21/05/10 02:41 AM Author Share Posted 21/05/10 02:41 AM Excuse the spelling... Link to comment Share on other sites More sharing options...
PHANTMXR6 It's not a MKI! Member 1,742 Member For: 16y 5m 2d Gender: Male Location: Earth Posted 21/05/10 10:47 AM Share Posted 21/05/10 10:47 AM It could be. It may be a vacuum leak from somewhere as well. Check all your plumbing to the inlet manifold. Link to comment Share on other sites More sharing options...
Worm A much better forum Silver Donating Members 3,808 Member For: 16y 3m 29d Gender: Male Location: Victoria Posted 22/05/10 12:45 PM Share Posted 22/05/10 12:45 PM Maybe coils... Or a coil Link to comment Share on other sites More sharing options...
fatnsticky Member 9 Member For: 15y 4m 5d Posted 01/06/10 09:43 AM Share Posted 01/06/10 09:43 AM TPS won't make car run rough, check inlet/exhaust manifold bolts, is a common problem for them 2 b loose Link to comment Share on other sites More sharing options...
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