qball Posted May 1, 2013 Share Posted May 1, 2013 Hi, I am having a sluggish throttle response on my Defender TD5 MY2006. On a move off, I need to rev much higher if not the vehicle will judder. If I rev it, it would not. Clutch has been changed and now under 8000km. During driving, I can floor the throttle but the engine just rev up slowly. It revs well on stationary. Would like know if anyone has this problem before. From Hawkeye Live Data. -MAF Idles at 46kg/hr -Driver Demand 1 4.6V on Idle -Driver Demand 2 0.46V on Ilde Any advice is appreciated. Regards Jack Quote Link to comment Share on other sites More sharing options...
reb78 Posted May 1, 2013 Share Posted May 1, 2013 I have a similar experience with my D2. I havent got to the bottom of it yet, so will watch this with interest. My D2 has had the EGR removed but it can be implicated in these symptoms I beleive. Quote Link to comment Share on other sites More sharing options...
rovernut Posted May 2, 2013 Share Posted May 2, 2013 Is your Turbo dump valve linkage operating freely. Does not operate when free revving but is important whilst under load and fits in with your symptoms. Quote Link to comment Share on other sites More sharing options...
qball Posted May 5, 2013 Author Share Posted May 5, 2013 will check the waste gate to see if that is the problem. thanks Quote Link to comment Share on other sites More sharing options...
qball Posted May 15, 2013 Author Share Posted May 15, 2013 had checked the turbo waste gate linkage arm. it moves freely. what can be the cause of my problem. Quote Link to comment Share on other sites More sharing options...
dantastic Posted May 15, 2013 Share Posted May 15, 2013 The MAF sensor reading is too low. It should be between 55-59 at tick over. Check in 5th gear full blast as well, you're probably not getting more than 350 - should be around the 450 mark. Unplug it and take it for a spin and see if it's any better. Start by cleaning it by spraying brake cleaner on it. Failing to get a reading over 55 at idle buy a new Land Rover branded unit. Don't waste your time on the ebay copies. Quote Link to comment Share on other sites More sharing options...
rovernut Posted May 15, 2013 Share Posted May 15, 2013 The MAF sensor reading is too low. It should be between 55-59 at tick over. Check in 5th gear full blast as well, you're probably not getting more than 350 - should be around the 450 mark. Unplug it and take it for a spin and see if it's any better. Start by cleaning it by spraying brake cleaner on it. Failing to get a reading over 55 at idle buy a new Land Rover branded unit. Don't waste your time on the ebay copies. I would agree with cleaning the MAF sensor (I blew mine through with Meths). I tried replacing it with an e bay copy but to be honest it was worse. Just cleaning the original improved things greatly. Quote Link to comment Share on other sites More sharing options...
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