My bad posting before searching forum, sorry
I´ve found a list of possible culprits perfectrly summarise as follows:
Originally Posted by Clifford Pope View Post
Possibilities in order of ease of checking:
Fuses. Clean fuses 4 and 6 - fuel pumps (If you carry a short bit of wire with a crocodile clip at each end, and the car won't start, try clipping 4 and 6 together. There will be a spark because it bypasses the relay and lets the pumps run continuously. Gets you home, then DISCONNECT)
Fuel pump relay White relay up behing the glove box, near the wiper mechanism. Always worth carrying a good spare, takes seconds to unplug and swap it in
Ignition Amplifier Module Flat module bolted to the inner wing just in front of the battery. Carry a spare, and if 1 and 2 don't work, unplug and clip it in. Have the spare already mounted on its heat sink, then it can just dangle until you get home.
Crank Position Sensor The fiddly one. If you know what you are doing it's a roadside job, but don't lose the bolt !
There's an endless list of possibles after that, but those account for 99% of all starting problems.
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