Vehicle & Technical > Discovery

disco2 v8 misfire

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Skippy:
Be aware that the "thor" generations of rover v8's required a apecific type of spark plug to be used as any other will play havoc with the miss fire detection system!

The genuine is an Champion RC11 PYPB4 double-platinium spark plugs, you will know when you have the correct type, as they are about £8 each  :shock: .  Be sure that they have fitted the correct type!!

remmy7:
Hello everyone,

I said I would let you no how I got on, well unfortunately I had to take a two week break from the stress of being a disco2 owner(2 weeks of driving a 5.7 v8 chevvy bliss) on returning to the uk airport the disco had gone flat at the rear end and it took 80 miles before it came back up, but at least it did although I couldnt raise it to the off road position. Took the car to the garage the following day to get the leads and knock sensor changed and it appears that the engine is running well. I say appears because the damm thing is still there, the suspension refused to come back up when it was taken of the four post lift. After 3 hours of p***ing about with the diagnostics which revealed unknown fault code 0000 (helpfull) we put a direct feed onto the compressor and nothing happened. We even tried using the airline to fill the accumulator tank but the exhaust valve is in the open position. To further complicate matters the ACE warning light has come on and is staying on. It would appear that a new compresor is needed and also a switch on the ACE valve block (apparently a common fault as the garage say they have changed three recently) we are only guessing at the switch fault as the diagnostics are not picking anything up. Hopefully tommorow will see if hte garage are correct in their diagnosis and hopefully I will have the vehicle running as it should for the first time since december (my wife never fails to be impressed with my eternal optomism). The only observation I would make at this point is how the hell can so many seperate things go wrong with a vehicle that is getting little use due to so many diverse faults its only been working and on the road for about three weeks in the last six months. I think its time to get another 300tdi I never had a single fault on that one in ithe six years I had it until that is I was rudley awoken by the fire service trying but failing to save it from being burnt out (some sort of electrical short in front of the bulkhead near to the steering column.

Regards Remmy7.

Range Rover Blues:
Well oddly enough now that I don't drive Bllue every day it's sulking, loads of stuff is going wromg imncluding the PAS I've fixed twice already.

remmy7:
Hi Folks,
Dont really want to tempt fate but here goes anyway. Current state of play is suspension is now working correctly. ACE didnt require anything as is rectified itself when the suspension was fixed. Engine ran on petrol but not at all on gas, it wasnt firing on two of the offside bank of cylinders. Subsequent check revealed that the garage had put the manifolds back on and caught the two supply pipes between manifold and head. The manifold was taken off by a more local LPG installer and the pipework was smartened up (the original installation and subsequent engine work had it looking like spaghetti). Guess what --------------------------------------Its running. Seems a tad down on power from what I remember and is keen to change down at the slightest incline on motorways but others have tried it and now reckon this is due mainly to running it on 265/70's instead of 255/65's. Its now a waiting game as its been running for or at least out of a garage for 4 hours. I hope to source some rock/tree sliders before it goes sick again but if the wife sees the repair bills she will throw a wobbly.

Cheers Remmy7.

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