I have a doubt whether the problem is with the entire fuel pump or with the fuel filter or the fuel pressure regulator.
It is 2005 Picanto (Kia) with 160k millage.
Not changed the fuel filter for nearly 4 years (80,000km). The fuel pump is located in the fuel tank which is under the rear seat.
Recently occurred this problem, after driving 20-30km the car starts losing power, knocking and misfiring, hard to pick up. Due to the fuel quality, I cleaned the fuel pump by myself. Noticed a lot of dirt in the filter and the regulator looks new (but I have not changed it during the last 4 years). After cleaning the car drove smoothly and fast but only for 20-30km, and started losing power, knocking and misfiring. I had to clean the entire fuel pump many times. And I notice the dirt (black color) coming out from the filter all the time. Used Liqui Moly Fuel System cleaner too but didn't work.
Note: Though the car gets slow acceleration after 20-30km with hard pickup, knocking and misfiring, idle is stable and no issues when starting the car. But when I put A/C on, the idle drop and leads to off the engine. Even with the stable idle not picking up in the 1st gear (this is manual) and hard.
Spare parts are expensive like hell, so one of my friends said the issue should be the Fuel regulator, but it is not available in Sri Lanka (checked almost everywhere in SL). Another friend said the issue is with the fuel filter as it has not been replaced for years, it's clogged and blocking the fuel system. A fuel filter is available for 6500LKR. Another said to replace the entire fuel pump (cost is 35k).
If anyone has a similar experience, please let me know what you did to fix this matter.
Officially joined the thel-hinganna normie horde with ....drumroll... a 2025 Vezel... I am eagerly anticipating joining the 'thel keeyak karanawada' debates at almsgivings.
Recently, got the opportunity to see and get inside of The one and only Japanese V12, Toyota Century(a.k.a Japanese Rolls Royce). Is it really upto Rolls Royce standards? Nope, I don't think so. Items like Switches and mirror housings are in plastic. But, we can be assured that the dashboard will not light up like Christmas and would run forever....
...and just like that from having parking space issues a few month's back I'm car-less.
The cost of renting something for a month or two (even more - personal imports have been quite messy of late) made me wonder if it actually makes sense to buy a quickly disposable car and get rid of it in a couple of months - but it seems the 'popular' models aren't moving. A few messages to sellers (registered owners) on marketplace resulted in them sending me daily price reduction updates.
Sleepless nights have begun. I'm twisting between SL320 and SL500. Should I just pay additional 2000 euros more and go for the SL500 and go broke or settle with a SL320?
Question
Iroshw
Hi,
I have a doubt whether the problem is with the entire fuel pump or with the fuel filter or the fuel pressure regulator.
It is 2005 Picanto (Kia) with 160k millage.
Not changed the fuel filter for nearly 4 years (80,000km). The fuel pump is located in the fuel tank which is under the rear seat.
Recently occurred this problem, after driving 20-30km the car starts losing power, knocking and misfiring, hard to pick up. Due to the fuel quality, I cleaned the fuel pump by myself. Noticed a lot of dirt in the filter and the regulator looks new (but I have not changed it during the last 4 years). After cleaning the car drove smoothly and fast but only for 20-30km, and started losing power, knocking and misfiring. I had to clean the entire fuel pump many times. And I notice the dirt (black color) coming out from the filter all the time. Used Liqui Moly Fuel System cleaner too but didn't work.
Note: Though the car gets slow acceleration after 20-30km with hard pickup, knocking and misfiring, idle is stable and no issues when starting the car. But when I put A/C on, the idle drop and leads to off the engine. Even with the stable idle not picking up in the 1st gear (this is manual) and hard.
Spare parts are expensive like hell, so one of my friends said the issue should be the Fuel regulator, but it is not available in Sri Lanka (checked almost everywhere in SL). Another friend said the issue is with the fuel filter as it has not been replaced for years, it's clogged and blocking the fuel system. A fuel filter is available for 6500LKR. Another said to replace the entire fuel pump (cost is 35k).
If anyone has a similar experience, please let me know what you did to fix this matter.
Edited by Iroshw2 answers to this question
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