Right, the 6' has been playing up for the past 2 weeks. Firstly when I start it the revs shoot up to 3k then drop down to 1.5k but hunt up and down on idle. Then if I try drive it like this and come off the throttle there is a jolt 1 second later and also while driving along sometimes the revs wont drop when I come off the throttle so it pretty much drives it self.

I've replaced:

ICV (magnetti)
Map sensor
Coolant temp sensor
Throttle position sensor (bosch)
Cleaned the throttle body out

I'll be getting a new lambda on saturday.

I tried an ECU reset today and took it for a long 20 mile blast and it was perfect, idled bang on and revs didn't hang or jolt. But when setting off back home after leaving the car 30mins it was back to square 1.

Any ideas?

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Ph1 Cossack 6'

Try unplugging the PAS sensor and see if that helps mate.

I unplugged the PAS sensor which solved a bad stalling problem I had on Weds. So it's still unplugged.

The problem does seem to be when it's cold. But it's as bad when it's fully warmed up.

I've got a bosch Lambda coming tomorrow so this is pretty much the last sensor before I've run out of ideas.

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Ph1 Cossack 6'

Well took it for a drive this morning and it was spot on.

Just driven to work a couple hours later and its back to being a dick!!!!

I. Hate. This. Car.

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Ph1 Cossack 6'

So, it's been happening a few times. But I seem to have found a way to cure it when it does happen.

When I start the car and it's idle is 3k and with the dodgy throttle response: I'll turn the car off, turn ignition on then off again then start the car.

This will cure the problem for the rest of the journey. I read somewhere on here that it recalibrates the sensors or something. I just need to figure out why the ecu is forgetting these sensors settings.

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Ph1 Cossack 6'