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I have an Mitsubishi 3000GT-99 with start issue. Have

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Hi Doug, I have an Mitsubishi...
Hi Doug,
I have an Mitsubishi 3000GT-99 with start issue. Have checked the crank angle sensor and the cam sensor with iscilloscope and both show square wave pattern as in the workshop manual, but the car don't show any rpm on the tachometer. Got spark but no fuel at the injector. Have bypassed the fuel relay and connected the fuel pump straight to the battery, but still no fuel spraying from the injectors?
Regards Torbjörn
Submitted: 9 months ago.Category: UK Car
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Answered in 16 hours by:
11/14/2017
UK Auto Mechanic: Peter Zavarelli,
 replied 9 months ago
Peter Zavarelli
Category: UK Car
Satisfied Customers: 33,389
Experience: Technical Consultant at Just Answer
Verified

My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.My info is somewhat limited on your model here but I had seen no one else has responded and would like to see if I can help here.If at any time you feel that I cannot help with this please let me know.

Check and see if there is any wiring damage leading from the crank and cam sensors.If there is any wiring damage at all this can cause this issue with signal loss to the computer.If this is or was checked already and found o.k. let me know so we can continue.

If more help is needed, use the reply tab to continue our conversation. If no further assistance is needed, kindly rate my service,your 5 star rating is appreciated ( should be a link to click on here or above).You can rate at any time and we can continue to work on your question as this will not close out your question.Keep in mind in some cases it can be difficult to fully diagnose or help repair your vehicle without seeing it and I work on delivering the best possible answer from what I see to work with.

Thanks Pete

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Customer reply replied 9 months ago
Hi Peter,
I have already checked the cables from the crank- and cam sensor. They both have 5v, earth and signal to the ECU. The strange is that cars runs, but with rough idle if I change to a plug and play stand alone ECU (AEM). Maybe it's something with the factory alarm that mess up the starting of the engine. I think I need an answer from someone how is familiar with the ECU pinout of this car model.Regards Torbjörn
UK Auto Mechanic: Peter Zavarelli,
 replied 9 months ago
Ok I will open this question up for others here to see if anyone else can assist further.I hope you can get this resolved with ease.Thanks Pete
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