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Re: diesel engine... more power.?
I have heard it, but I would advise using the fuel treatment from the auto parts store, that is guaranteed, and made for cleaning. The gas deal could possibly foul your sensors from the cumbustion ratio, and may cause other problems. I would suggest buying a can of "seafoam" I love it, you can put it in your oil, fuel, and intake, and you wouldn't believe the garbage that comes out of your exhaust and in your oil after about 3000 miles. I usually only put it in my oil, and gas, but never tried the intake. Seafoam is the way to go. Should find it at any parts or hardware store. its in a white steel can. Good luck
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Injectors need cleaning if it is a diesel
There is a buold up of contaminants in your fuel system that needs to be cleaned out
If it is a petrol engine I would be very surprised
Just add a couple of treatments of injector cleaner to a full tank of fuel and go out for a high rev blast for an horor twom that should hopefully clean it.
My old renault laguna failed emissions so I PUT 2 bottles of forte injection cleaner and went out for a 70 mile blast, it was a diesel car. I returned to the testing station within 2 hours and the black smoke had ccleard and I got the pass certificate.
If you accidentally put petrol into your diesel car there is an unbelievably easy fix for it.
firstly get a paper coffee/tea cup(sold in most garages) fill it with any type of engine oil and add it to your diesel tank.(apply it in two half-cup measures and you will not spill it everywhere), then fill your tank with diesel. your engine might splutter a bit but the engine oil will compensate for the petrol and it should correct its self. Do this again the next time your tank will take a few gallon of diesel and it should be fine.
Mr Allan first thing you must do is to renew the fuel filter,check if there is any other filters and then if you still have any old fuel in tank drain it,fill it up with a clean diesel and my personal advice as an automotive engineer try what I do personally,ask from a petrol station if they sell- " TWO STROKE OIL " yes is the oil use in mixing with petrol for mopped motorcycles. Use 250ml in tank full of diesel ,-full tank to empty -before light comes on and re-use again 250ml for another full tank and continued for four times. It is also good to do this even for two times filling every two months,. Two Stroke Oil has the power to clean and lubricate the feeding system of a diesel engine also treats the fuel injectors even when you might hear them working rough. It is like a cough medicine. Try it and let me know.
No easy way really, the best way is to get hold of an external electric petrol pump, put this inline before the diesel lift pump (With plunger on top in engine bay) and run a hose from this into a container, you then supply power to the pump and wait for it to drain, Make sure you tow the truck to a gas station and fill it completely with diesel to dilute any remaining residue of petrol to avoid engine damage and make sure you don't rev the vehicle as soon as you start it, leave it to idle for ten mins or so to avoid injector damage.
if its petrol the throttle body may be in need of a clean and resetting or it may have a small air leak if its a diesel its worth checking the fuel filter they can get contaminated with oil if you find this the injector seals will also need replacing and the fuel tank and pipes cleaned out
golfs coldstart system works when you open door/shut door/put key in hole and turn on (in that order)if you delay puting belt on for longer than say 30 secs the coils go cold,hence poor starting.if engine labours after cold start try using (really)one gallon of petrol in tank to clean injectors.
british army put petrol (30%)in diesel tanks of challenger tanks in arctic
to stop fuel freezing.....most parts replacement jockeys in garages will say if you put diesel in tank it will have to flushed out.lot of bollocks.
trust me.have put petrol in by mistake loads of times,only get hot start
problems if you put in too much.
The 8 liters of diesel mixed with the 25 liters will make the vehicle smoke a little but if you continue to dilute the diesel/petrol mixture with petrol as your tank level goes down you should have minimal problems. When the tank gets to half you should refill it with petrol for at least two times. The main two problems I could think of that would cause you any concern would be the fuel filter getting partially plugged and the injectors gumming up. By continuing to dilute the tank with petrol you should be okay because the filter and injectors will clean themselves up while you drive. Just make sure you do not take any short drives. Let the engine warm up to operating temperature until you have ran at least two complete tanks of petrol through it.
The "MOST EFFECTIVE
" way is to REMOVE The FUEL TANK and DRAIN it By Tipping it over to Pour From FUEL INLET HOSE. Im Sure you Dont want to Here this as it Requires Much WORK . , BUT It IS The MOST EFFECTIVE Way to EMPTY The TANK.