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                                                22nd July 2007, 09:15 AM
                                        
                                
                                
                                        
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			my defender = lack of power
		
		
				
					
					
				
				
		
			
				
					hey all, 
my def is suffering from lack of power. 
vehicle = 1998 300 tdi tray back. 220,000km, never missed a service. 3 inch mandrel bent exhaust, fuel pump turned up, more efficent intercooler. 
stock gearing except maxi drive low range. 235/85r16 mud horns. had a new head installed 5000km ago. 2 inch lifted springs. 
trailer i tow every day weighs 1.9 tonne. dual axle 
on the high way, 5th gear on level ground gives me a max (foot to floor) of 110km/h. if theres a small head wind that drops back to 105km/h 
any slight incline and speed drops, small hills drop me back to 85 - 90. 
very frustrating. 
this has not happened over night. it seems to be a lack of torque??? 
so what should i be looking for????? 
cheers serg
				
			 
			
		 
			
				
			
				
			
			
			
		 
	 
	
	
 
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                                                22nd July 2007, 09:18 AM
                                        
                                
                                
                                        
                                                #2
                                        
                                        
                                        
                                
                        
		 
		
	 
	
		
		
		
				
				
		
			
				
					Check your throttle cable tension.
				
			 
			
		 
			
				
			
			
			
		 
	 
	
	
 
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                                                22nd July 2007, 09:56 AM
                                        
                                
                                
                                        
                                                #3
                                        
                                        
                                        
                                
                        
		 
		
	 
	
		
		
		
		
			
 throttle cable
		
		
				
				
		
			
				
					
yes !!! I agree with mick-kelly,
 check your throttle cable tension before you do any think else....Its what happened to me a couple of years ago,slow on hills and pick up..........regards keith
				
			 
			
		 
			
				
			
			
			
		 
	 
	
	
 
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                                                22nd July 2007, 03:59 PM
                                        
                                
                                
                                        
                                                #4
                                        
                                        
                                        
                                
                        
		 
		
	 
	
		
		
		
				
				
		
			
				
					Failing throttle cable and assuming that fuel/air filters are up to date have your injectors been replaced?
I had similar power loss and replacement injectors @ about $280 ea and dead easy to install were like getting an extra gear.
Steve.
				
			 
			
		 
			
				
			
			
			
		 
	 
	
	
 
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                                                22nd July 2007, 04:33 PM
                                        
                                
                                
                                        
                                                #5
                                        
                                        
                                        
                                
                        
		 
		
	 
	
		
		
		
				
				
		
			
				
					If your throttl cable is fine and injectors dont need attention - Is your turbo still working ok. As with the Defender I had .. lack of growl = Lack of go.
				
			 
			
		 
			
				
			
			
			
		 
	 
	
	
 
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                                                22nd July 2007, 05:07 PM
                                        
                                
                                
                                        
                                                #6
                                        
                                        
                                        
                                
                        
		 
		
	 
	
		
		
		
				
				
					
				
		
			
				
					Valve clearances? These are critical on a Tdi for good performance.
Every 10,000km, .008" (.203mm) inlet and exhaust , hot or cold.
They will especially need adjusting after the fitting of a new head 5000km ago...
Try that.
JC
				
			 
			
		 
			
				
			
			
			
		 
	 
	
	
 
		
		
		
	
 
	
	
	
	
	
	
	
	
	
	
	
	
		
		
		
		
			
				
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