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So i have changed the crank shaft sensor and air temperature sensor, but nothing changed. So i had a friend loan me his ecu and problem solved... But.... there is a but.... won't start immediately after being turned off. it crank's like crazy but won't start i have to wait half a minute, even if...

Yup, it seams you are right. And i've checked all the wires in my loom and they all have continuity. So if the engine behaves the same with all electric components disconnected, except the coil, map and crank shaft sensor, the problem must be with one of these 3. Since i've changed the coil and...

i have changed the map sensor and adjusted and even unplugged the tps. i actually unplugged air sensor, coolant sensor, tps, lambda, icv and the engine still runs fine then starts to drop rpms until it gives it's self "gas", then starts all over again.... this is how the injectors work the 5th...

i have changed the whole exhaust and lambda. i pulled out the inlet manifold and checked it for cracks. Changed the gasket but no change... it runs like this only when the engine is cold. whet it warms up a bit, it runs fine and idles at 900rpm

i unplugged them and no change. i found a crack in the exhaust manifold at piston no 1 i'll be back with feedback after i replace it

yup, i changed the white one.

Unfortunately i don't have diagnostic soket on my loom At first my engine wouldn't start when hot and when it started it had terrible idle and almost stalled. But recently the idle problem started to occur even when the engine is cold. i have changed water sensor, coil, map sensor and checked...

Hi. Did you find the fault? My f7p has some crazy symptoms and one is unstable idle. Thanks.