Vehicle & Technical > Defender
TD5 Power Loss
drum:
Nope.
I've visually checked flywheel sensor. I've changed the air-flow sensor and I've checked the wastegate moves freely.
It feels as it I have a rev-limited at about 50 in 5th gear. If I'm really really gentle with the right foot I can get it to about 60/62 then it comes in and settles back at 50 again.
Porny:
Other problems....
Low fuel pressure:
A faulty fuel pump could cause low fuel pressure and poor drivability.
Check the wiring to throttle pedal:
There was a problem with Td5's where the electrical plug on the pedal wasn't plugged in correctly (i.e. latched)
Does this only happen in 5th??
Ian
drum:
I'll check the throttle cable, and give it a good wiggle.
How can I check for fuel pressure???
No it happens in all gears, but it is in 5th that it is a right pain.
Porny:
--- Quote from: "drum" ---I'll check the throttle cable, and give it a good wiggle
--- End quote ---
Throttle cable... whats one of them then???? It is the wiring your checking :wink:
--- Quote from: "drum" --- How can I check for fuel pressure???
--- End quote ---
With suitable tapping on the fuel line or via a Diagnostic computer. Not sure on a Td5 - pressure at the engine end should be 4 bar though.
Other issues:
Is it a misfire, or just that the engine goes flat?
As there are two other things that cause misfires/running problems on Td5's:
Crankshaft Position (CKP) Sensor is too close to the flywheel or the drive plate. This is most likely to occur when the engine warm or hot.
In this case you need to plug it into a computer and look for 'High-speed crank sync lost fault' - cure is to fit a spacer.
The second problem is a faulty injector; again the Landy really needs to be plugged into a diagnostic computer.
Really I'd be tempted to take it back to the dealer....
IMHO this isn't going to be something the dealer can blame on you, so should be fixed under warranty!!! - and thus you won't have to pay anything.
Ian
drum:
I meant cable\wire you know what I meant :D
Strangely this morning it seemed better after wiggling the throttle wire, but the fault still came back. And in fairness it was only a trip into leeds at rush hour so I couldn't drive it that hard, really.
My Diagnostic Kit, should be arriving tomorrow, it's only a cheapo one to see how I get on with it, so if that doesn't help at all, then it'll have to go back tto the dealer. Problem is I don't trust any of the dealers round leeds at all.
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