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Discussion Starter #1
I hope you can help me with this. Someone must have had the same experience or a good clue as to what is going on!
My beloved P38, 1995, HSE 4.0 petrol, 90000 miles, looks as if we need to scrap it. Just 4 weeks ago it started to have problems, it starts up and revs in Neutral fine, but as soon as it is put into any gear, the power drops and it hardly moves and easily stalls.
Since then, I had licenced Range Rover mechanics trying to sort it out. They checked absolutely everything they could with their computers: Airflow, Petrol pressure, compression, they even fitted a new ignition coil and a new petrol filter, all seems to be in good order. After installation of the ignition coil, the car started easier but still has no power when put into gear. Apparently, they cannot get a reading from the transmission sensor, but don’t think it’s a transmission problem as such. They are now at their wits end and tell us the only options left is either to give up or really take the engine apart at a cost that could be several thousand pounds, but without any guarantee that they will find the fault. According to the mechanic, it could be the crankshaft worn down or the BECM has a fault or the cylinder is cracked and so forth.
Obviously, the car’s value does not really allow me to throw that much more money at it just for fault finding and so it looks like we better get rid of it. But I cannot believe that nobody knows what is going on!
So, any ideas or experiences that you can share would be highly appreciated.
Cheers.
 

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1995-2002 Range Rover P38A
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Not had any experience like that myself, but if engine revs in neutral and sounds fine, then it doesn't sound like there is anything wrong with the engine.
I would guess at either gearbox ecu sending wrong message or becm taking gearbox message and doing something wrong with it.
I've had problems on other car (Merc) with similar symptom and that was a combination of AFM and cracked intake hose, but you have had that side checked out. The only other question is what is your battery like?
 

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Discussion Starter #3
Not had any experience like that myself, but if engine revs in neutral and sounds fine, then it doesn't sound like there is anything wrong with the engine.
I would guess at either gearbox ecu sending wrong message or becm taking gearbox message and doing something wrong with it.
I've had problems on other car (Merc) with similar symptom and that was a combination of AFM and cracked intake hose, but you have had that side checked out. The only other question is what is your battery like?
Thanks for your reply! - The battery is fine, that's not it. I also understand now from other forums that it's unlikely to be the BeCM or the ECU, as the engine is running fine in neutral. One suggestion was that it's the transmission itself. That would match your idea of the gearbox ECU sending the wrong message? I guess I need to find a real (!) expert with experience to have another look. I am having the car valued today, if I don't get enough for it, I will give it another go.
Cheers!
 
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