Well I seem to have a new problem with my car, a 306 XSi 2.0 16V Phase 2.
I have so far replaced the following:

Battery, ECU, Fuel Filter, Fuel Pump, Idle Control Valve, Spark Plugs, Engine Mounts, MAP Sensor and Coolant Temperature Sensor.

I still have a lambda sensor to replace but mine has seized itself to the exhaust manifold so taking to garage to get it done.

The problem I

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306 LX 1.4 Phase 2
**Current Body Mods**
4 x 4" Exhaust System
Full B/Kit (Front, Skirts, Mirrors & Rear)
Bonnet with Scoop
Full Tinted Rear Windows
17" Alloys
Lights

Is that the ignition coil?

Car has been fine for last 3 days, this happens quite regularly. Car will make me think it's all over and then will start doing for days on end until I do another ECU reset which will hopefully see me through another few days.

If it was the coil pack, would it be that intermittent?

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306 LX 1.4 Phase 2
**Current Body Mods**
4 x 4" Exhaust System
Full B/Kit (Front, Skirts, Mirrors & Rear)
Bonnet with Scoop
Full Tinted Rear Windows
17" Alloys
Lights

Well I have changed the MAP sensor and no problems since. I just didn't want to hold my breathe until it does it again.

Why would a faulty MAP sensor cause that? I'm not even sure what it does! lol

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306 LX 1.4 Phase 2
**Current Body Mods**
4 x 4" Exhaust System
Full B/Kit (Front, Skirts, Mirrors & Rear)
Bonnet with Scoop
Full Tinted Rear Windows
17" Alloys
Lights

lol I know, if this doesn't fix it I really am out of ideas.

Will let you know how it gets on. Cars been ok for 3 days but it's usually a friday afternoon when the roads near my work are the busiest that it will happen, always as I'm driving over a junction too, end up sitting there like a duck, trying to inch car forward enough to get through it :/

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306 LX 1.4 Phase 2
**Current Body Mods**
4 x 4" Exhaust System
Full B/Kit (Front, Skirts, Mirrors & Rear)
Bonnet with Scoop
Full Tinted Rear Windows
17" Alloys
Lights

it certainly sounds like a faulty map sensor. if it does it again though i would get some one to run a diagnostic and see what error codes the ecu throws up. also id check for air leaks.

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Peugeot 306 GTi 6
BMW 320 td compact M-sport
1967 Mini Cooper
1990 Jaguar XJR 4.0