Question about 2003 Isuzu Rodeo

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Unleaded Fuel in a Diesel Engine

My dad recently filled his 2003 Holden rodeo up with unleaded fuel, but its meant to run on diesel. He hasn't started the engine yet because we didnt want to cause damage to the engine. We towed the rodeo home and need advice in how to drain the fuel tank as there is no fuel caps or such things under or on the tank to drain it. We rang Holden for advice and they said we would have to drop the tank out of the car to drain it. It this true? How do we drain this tank?

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THERE is 2 ways to do it 1 take the tank out and drain it OR get a small 12volt pump as they fitted to a lot of English cars (Morris Minor Jag ) etc and fit a small fuel pipe 3/16" to both in let and out let and put the one with arrow to tank into tank and other end to a fuel drum (about same size as tank)and plug into 12v battery and let tank pump dry,

When you refill tank with Diesel add 1 ltr of petrol to full tank of Diesel it starts and runs 30% better.

If your dad tried to start it on petrol then undo INJECTOR pipes and spin over till Diesel comes out before you tighten injectors feed and starting engine.

Posted on Sep 21, 2009

Testimonial: "Quite helpful, think we might take the tank completly out, but whats the easiest way?"

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You can buy a suction hose small enought to get intothe tank at an auto parts store. you will have to remove the fuel from the tank. All of it and then replace fuel filter.

Posted on Sep 21, 2009

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HI" you do have to drop the fuel tank to remove all the fuel from the gas tank

Posted on Oct 06, 2009

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1 Answer

What do I do about diesel fuel in an unleaded tank and engine


Drain as much as possible diesel out of the tank and fill up the tank with unleaded petrol. Initially the engine will be difficult to start and maybe run a bit rough but will improve quickly. Diesel will not damage the engine but will have a affect on the first start and running of the engine until all the diesel is washed out of the engine.

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Spray the Quick Start into the air intake while cranking the engine. It should start, even for just a few seconds. Repeat this a few times until the engine starts then let it run until the smoke from the exhaust stops. It is not the end of the world to have diesel in a gas tank, much, much worse is getting gasoline in a diesel tank!
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Put unleaded in a diesel car


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