Why does my motor only start when number 3 spark plug is disconnected

Why does my motor only start when number 3 spark plug is disconnected 1 Answer

When starting my engine it won't start but I disconnect number 3 spark plug and it starts right up

1989 Chev. 350/5.7 Tbi The #3 cylinder keeps fowling out my spark plug. It misses really bad. It only has 100,000 original miles on it. 1 Answer

the #3 Cylinder keeps fowling out the spark plug, bad. It is very chard and does have some oil on the spark plug. About every two weeks I have to replace it. I have checked rest of the spark plug...

Why does my motor only start when number 3 spark plug is disconnected 2 Answers

If i remove a spark plug wire it will start .but when i put the wire back on it shuts off and will not start unless i take the boot back off 1 Answer

My truck wont start unless i take off a plug wire boot .then it will start but when i put the boot back on it shuts off.i have fuel and a little spark.

Why does my heat only work at the "90 degree" setting? 3 Answers

Any setting below 90 degrees and the heat will turn to cold air. Blower motor works across all settings (low to high) and the air conditioning seems to be working fine. I recently flushed my coolant...