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It's also very easy/cheap to knock 50k off clocks or to simply change them to so always do your homework. Low mileage doesn't always been its been well cared for.
I'll try to explain but before i do, do you understand the basic role of the CPS and how the ECM treats the information it receives from it?
Has any work been done to the car prior to these poor running symptoms occurring?
Then you can either pay someone to do it for you or just buzz the bottom bolt off, swap the pulley, angle torque it up again (this part is very important) and see if you get lucky/mangle valves.
If you're not gonna do the job properly I'd advise you don't do it at all... Not a personal dig btw
Had one last week:
Needed a new seal as the original had come away from the roof sheet. Water was getting in under the frame and making some nasty marks on the head lining and seats.
It'll be the main seal mate, just done one last week. IIRC it's around £76 from Renault.
Headlining down, unbolt the sunroof and remove. Clean and degrease the seal area thoroughly then reverse to refit and leave to cure
Mick
I agree totally Fred, they can bend the laser tool which is why, just for clarification, I use the genuine MOT1496 unit but I use the AST4923 pulley lock tool as I personally find it better than the OE unit.
But for a DIYer who's only going to use it once or twice attempting their own belt...
I bought one to try and they're okay tbh. The laser kit is okay for occasional use but its not as thick as the genuine tool which can further increase the chance of getting it wrong because the cams do resist and try to turn even when held with the original tool. Yes it bends but only if you're...
Somedays though I can sympathise because they must get some proper stupid questions/customers... Saying "RTFM" is a simple but perfect solution to most queries I guess.
My S40 is running a single TOCA spec throttle on an F7R Chip so its not a huge issue but I've never looked at it potentially running an F4R... DTA tech support is a good as always so when you ask a question, the normal answer is "read the manual... If it says it can it will, if it don't it...
Okay, then now we need to check the UCH-Decoder ring signal line is continuous. If its not then the UCH isn't going to get the keys code. If the line is continuous the the key itself is most likely at fault.
You can try a second hand decoder ring if you like to but don't pay too much for one as...
Don't do it - just save for an ECU and/or remap or else those pistons won't last.
I'm personally using a DTA S40 Pro as its cheap as chips and does just what it's supposed to without any bells or whistles. You're kinda limited as you have VVC which my unit won't run so have to take this in to...
Lock it, unlock it and try again (this is the Renault equivalent of turning a computer off and on again).
If its still failing, check your new fuse hasn't blown, then if it hasn't check one side of the fuse has power.
Mick
LoL I love hearing home grown immobiliser bypass processes.
If you are sure the new matches set is still doing the exact same thing as your original then you need to check the wiring. Start with the decoder as its three wires:
Red - +5v
Black - Earth
Brown - Coded line to UCH
Check for power...
I've seen that failure a couple I times now.
Why it happens, I believe, is the bottom bolt comes out due to incorrect assembly and the alternator is pulled round by belt tension/force and it snaps the casting.