cacebaby Posted March 12, 2007 Report Share Posted March 12, 2007 hi all i have a audi tt 1.8 and has no power unless you floor it till it red lines i have so far changed the plugs crank shalft sensor and lambda sensor but still no change if you floor the pedal there is nothing there hold it there and it will start to rev up please any help would be good i can be contacted here or [email protected] Link to comment Share on other sites More sharing options...
steve2 Posted March 12, 2007 Report Share Posted March 12, 2007 get someone to vag com it and you could avoid spending out money where it is not neccesary Link to comment Share on other sites More sharing options...
cacebaby Posted March 12, 2007 Author Report Share Posted March 12, 2007 hi i have vag com and did that the only faul codes that came up are lamda sensor coolant temp sensor and crash sensor alarm system Link to comment Share on other sites More sharing options...
kite Posted March 12, 2007 Report Share Posted March 12, 2007 Try running the car with the MAF unplugged to see if there is a problem with it. Link to comment Share on other sites More sharing options...
Scotty Posted March 12, 2007 Report Share Posted March 12, 2007 [ QUOTE ] the only faul codes that came up are lamda sensor coolant temp sensor [/ QUOTE ] Only ?? I would have thought these could cause exactly your symptoms. Link to comment Share on other sites More sharing options...
cacebaby Posted March 12, 2007 Author Report Share Posted March 12, 2007 maf what is that please Link to comment Share on other sites More sharing options...
Scotty Posted March 12, 2007 Report Share Posted March 12, 2007 Air flow sensor. The ECU measures the air going in and tried to fuel the engine to the correct ratio. If it can't or the maf fails then it will pull back the engines power to protect it. Link to comment Share on other sites More sharing options...
cacebaby Posted March 13, 2007 Author Report Share Posted March 13, 2007 on tick over the car reads on a tuning machine spot on its only wen you want to pull away or rev the car up there is nothing on the pedal just like the cable has snapped then all of a sudden it will rev up but very uneven ? Link to comment Share on other sites More sharing options...
kite Posted March 13, 2007 Report Share Posted March 13, 2007 Unplug the Mass Airflow Meter to see if it makes a difference. These components are known to fail. Link to comment Share on other sites More sharing options...
cacebaby Posted March 13, 2007 Author Report Share Posted March 13, 2007 i dont think it has one mate its a 1.8 qu on a w reg 1999 Link to comment Share on other sites More sharing options...
kite Posted March 14, 2007 Report Share Posted March 14, 2007 Try this link http://www.wak-tt.com/maf/maf.htm Link to comment Share on other sites More sharing options...
cacebaby Posted March 17, 2007 Author Report Share Posted March 17, 2007 just to let you all no it was the air mass meter many thanks to all who helped ta Link to comment Share on other sites More sharing options...
kite Posted March 18, 2007 Report Share Posted March 18, 2007 good to see it sorted Link to comment Share on other sites More sharing options...
Ian_C Posted April 1, 2007 Report Share Posted April 1, 2007 Nice one! Ian Link to comment Share on other sites More sharing options...
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