Question about Toyota 4Runner

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I have a 1987 4runner non turbo.it had blown head gasket.it was repaired,now number 3 cylinder wont fire?it has spark,good compression and fuel.please help.

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You have bad plug or plug wire at #3 position. Did you replace plugs after head gasket job?

Posted on Mar 31, 2011

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this is a major piece of mechanical work as you seem to be aware, i would suggest if you feel confident to do it yourself get a workshop manual that will give a step by step guide and the correct torques etc , you wont know if the head needs recon until its off but if it has'nt been overheated time and time again it should be fine , also depending on mileage as to wether the valves need regrinding and new seals , i would do this as well while the head is off as is best practice to carry out further maintenance when the oppourtunity is there also change the timing belt and tensionor ,you can probably hire the correct tools needed as buying would cost quite a bit to be used only once so there is a lot to consider so i wish you good luck and keep me up to date please.Also bear in mind the age and condition of vehicle against cost of repair might be better to trade in keeping the head problem to yourself!

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My 1996 mazda B2300 4 cylinder is not firing on 2 and 3. What do I need to do?


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Do a compression check. You want to check and see if you have good compression across all cylinders or if you've blown you head gasket or rings. If you don't have any check engine light indicating a faulty crank position sensor, or a misfire on a cylinder, you may have fire on the cylinder but if there is no compression or low compression the vehicle will run roughly. If you need directions for doing the compression check or manually checking the Crank position sensor and other sensors that could cause this condition I recommend the Haynes Repair manual on your vehicle. Most major Auto Parts stores carry both Haynes and Chilton's manuals on vehicle. I prefer Haynes but Chilton's will do as well.

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dude, i think you have two spark plug cables cross over. go to your local autozone and find a "firing order" if it was a blown head gasket it would show on the compression test but i'm pretty sure its a spark plug cable cross over.

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I have a 1997 eclipse non turbo 2.0 liter 16 valve . it wont start up and it tries to start up but white smoke comes out of the exhause and the oil is white but black in the inside . some people say its a...


yeah, its your head gasket. the oil looks like that because it has coolant mixed in with it. it will try to start because its getting fuel and spark but no/not enough compression.

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Have you checked compression on non firing cylinders? Likely has blown head gasket between these two cylinders if located side by side.

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