Fuel system - Mitsubishi-Forums.com
 
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post #1 of 11 (permalink) Old 06-29-2019, 12:13 PM Thread Starter
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Fuel system

Hello everyone.
I am kindly asking for technical advice. I own a Mitsubishi Pajero io with 4G94 engine.
The problem is that most of the times I refuel the vehicle refuses to move above 40km/hour...sometimes even below and in worse cases it even goes off. This happens every time I refuel accept for rare cases. If you try to accelerate in that condition it shows engine check light and can't move.
One time I had to drain the fuel because it couldn't move.

I don't know what the problem is, anyone with an ideal kindly help
Email. [email protected]
Munyemba Alastair is offline  
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post #2 of 11 (permalink) Old 07-01-2019, 08:42 AM
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When the engine check light came on, what was the fault code? How low do you have to drain the fuel before it runs OK? Has it been like this fund you bought the car, or is there something memorable that happened before you had this trouble? What fuel are you putting in?

I know, you wanted an answer, and I have only given you questions.
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post #3 of 11 (permalink) Old 07-01-2019, 11:15 AM Thread Starter
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There was no fault code, this problem started when I bought fuel from the road but it wasn't much. It worsened when I bought I bought fuel from a certain fueling station (kobil) that I had to drain it. Normally draining it up to about a quarter.
Your advice will be highly appreciated.
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post #4 of 11 (permalink) Old 07-01-2019, 04:08 PM
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Disclaimer: someone on this forum might know better than me, so do speak up.

I think there is something other than fuel in the fuel tank, and it gets stirred up when you put fuel in. I don't know if
- it clogs up a filter near the tank, and the engine is starved of fuel, or
* something unpleasant has to work it's way through the whole engine.

I think you have to get all the fuel out of the car, pipes and all. Clean or replace the fuel filter. Flush out any mud, grit or tar. Put it all back together. Be careful where you buy petrol.

You will probably end up with a lot of suspect fuel. You could shake up some of it and put it into a tall glass, and see if any mud falls to the bottom. You might be able to put it through a filter and use it.
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post #5 of 11 (permalink) Old 07-02-2019, 12:15 AM Thread Starter
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Thanks a lot. Let try to drain all the fuel, but the best chemical for flushing out the system?
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post #6 of 11 (permalink) Old 07-02-2019, 03:32 AM
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I'd flush out with fuel 😉 I just thought: that's an awful lot of fuel, so please be very careful! But of course you're not dead yet, so you probably are already careful.
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post #7 of 11 (permalink) Old 07-02-2019, 03:53 AM Thread Starter
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Thanks a lot once again, let me try that.
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post #8 of 11 (permalink) Old 07-02-2019, 12:30 PM Thread Starter
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I have checks the fuel filter and it's quite clean, the tanks are also clean maybe it's the gdi pump that need service?
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post #9 of 11 (permalink) Old 07-03-2019, 04:07 AM
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I'm sorry I didn't get it right, then. Perhaps it is the pump, but I don't see how draining some fuel makes the problem less.
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post #10 of 11 (permalink) Old 07-03-2019, 04:06 PM Thread Starter
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Thanks a lot for your assistance, I have solved the problem, I found a specialist for Mitsubishi vehicles. He told me it the was fuel sensor, but he corrected the problem.
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post #11 of 11 (permalink) Old 07-05-2019, 08:32 AM
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Ah, that's where my knowledge is out of date. I'll look up how the fuel sensor fits in. But I'm very pleased you car is sorted!
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