Question about 1997 Mazda Pickup
Most likely you have your plug wires crossed- or bad ones.- Check each plug wire and be sure they are not puled out of their sockets. New is best unless you purchased new when you replaced the head.
If the plug wires are good - for 100% sure - and the distributor cap isn't cracked - and there is no oil up inside the distributor cap you will need to double check your timing chain..Before you do that pull the valve cover off and double check your valves are opening and closing properly.Pull the plugs too and be double sure they are not closed or open too much.
Chances are very good it is bad plug wires.
Again if not then triple check your other elements before pulling down the engine to check the timing belt. That can be it even if you''''''''re only one notch off.
Posted on Apr 26, 2010
First off when an engine shakes its because the firing is off. since you put a new head on the engine i do have to ask you if you tightend the head bolts to spec and in the order of the tightening sequence?
also check your spark plugs one by one and see if they are burning the fuel wrong, with a miss fire or an out of order fire you and get quite the engine shake. another thing if the engine is running rough and causing a shake check to make sure you got all the vaccuum hoses hooked up, this will cause you to get a lean engine code in your PCM, and a Check engine light to come on as well. Please check these things and then get back to me as we can explore further options of what might be wrong with this engine.
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Posted on Apr 25, 2010
You will need to make sure that the valve timing is correct. If it is even out 1 tooth it will cause the motor to do what it is doing.
If it was the incorrect head or anything was different then it wouldn't sit on the head guides which are in the block.
Just double check that the valve timing is correct.
Let me know if you need more information.
Posted on Apr 25, 2010
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Posted on Jan 02, 2017
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