Question about 2006 Jeep Grand Cherokee

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What to do if you think you put bad gas in your tank

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Draining would be best. Some additives help in a smaller degree. Do you think it is water or sediment ?

Posted on Jul 15, 2015

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Hopefully your vehicle will have a drain plug in the bottom of the fuel tank*: remove this & drain the fuel.
With the plug still removed flush about 5-10 litres of fuel thru by putting in thru the tank filler hole as usual.
Replace the drain plug and put a FULL tank of fuel in (this will dilute any residue as much as possible)
*In the case of no drain plug the fuel tank will need to be removed & fuel drained out thru the filler neck, drain fuel, replace tank & procede from the 'put a FULL tank of fuel section of this instruction.
If the vehicle has been started with the bad fuel remove the fuel filter.
If the vehicle has an electric fuel pump* (more modern vehicles ie. Post 1985 [some vehicles still had & still do have mechanicle fuel pumps]) turn the ignition on with the fiter not in place, vthis will flush fuel thru the fuel lines pushing out the bad/old fuel. Take care as the fuel will be under a fair bit of pressure & "sqirt' out.
*If it is a mechanicle pump this can not be done in this way.
Replace the fuel filter with a new one.
Bleed the fuel system & start the vehicle.
Allow the vehicle to idle for 10-15mins before going back to your usual driving.
All shld now be ok but it is a good idea to routinely inspect the fuel system for leaks over the nxt 10 000km or six months (wich ever is earlyest) as in the case of puting petrol in diesel or diesel in petrol the different rubber and plastic items (such as 'o' rings) can begin to deteriate & leak in wich case they will require replacement.

All the best & I hope this is of some help & it works out for you...

Referances: Me, I am an auto mecanic.

Posted on Jul 15, 2015

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