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When you put a new thread up in the Workshop please put your car's year and model in the thread title, along with just a brief indicator of the problem.

Car Year - Car Model: Brief description of issue. EXAMPLE- 1999 9-3. Problems starting when hot.

Please also add as much information as you can about the problem, to your post.

This will help us to help you, without having to ask basic details such as what car you have.


Threads with non-compliant titles will be moved to The Pit Lane (in which no replies can be posted, but the OP can edit the thread - upon which the thread will be released to the workshop forum)

Nb. Generic thread titles for truly generic issues that genuinely are not model or variant specific (such as "how do I change the spring in an forge wastegate actuator") are acceptable

**The first 5 posts for new users require individual moderator approval (which they will only get it if they are in line the rules of the forum). Please be patient and allow time for that to happen, and avoid duplicate postings.**



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PostPosted: Thu Nov 22, 2018 5:19 pm 
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Joined: Mon Mar 28, 2016 9:35 pm
Posts: 1
Car Model: 9-3 cabriolet
Thread title says it all really! 2005 9-3 Vector Convertible (B207E 150hp). Intermittent issues, non-starting, misfiring, dumping raw fuel down the exhaust whilst running like a bag of nails. Throwing up P0201-4 injector circuit malfunctions, and P0301 misfire codes.

I have checked the earth to the ECU, reseated the ECU plugs (love the folded-on metal cover, no chance to get in and check for dry solder joints on that ECU!!), changed the crank position sensor, and inspected the wiring looms as far as possible.

Car might start and drive fairly normally, or it will misfire away, clouds of smoke and fuel in the exhaust with the fuel gauge dropping like a stone, or occasionally just not start at all.

So with my thanks, and to spare my hair from getting any more ripped out in frustration, any ideas before a new ECU? Am I missing anything?


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