Questions & Answers for: spark knock 4

...spark plugs. Since then the car check engine light will come on and off. I read the diagnostic and it was cylinders 2 and 4 misfire. I here occasional knocking also. Maybe premature detonation?? ...

...adjustment problem? If not what could it be? It is most likely to be the valves, but if it only happens under load it is what we call a spark knock from burning low octain gas........Hope this

...Spark Plugs, Knock Sensor, MAF( which i recently replaced. About 7 months Ago) So this is a wide range of possibility's. I'm just wondering if someone has a clue what the best way to resolve these ...

...spark knocks even when i use high oct fuel . Timing is set dead on . What could be causing this? 5.0 engine 4 4 stuck auto advance mechanism in distributor or over heating engine Also check harmonic ...

...knock sensor. Today we hooked it up again to show another friend and it threw a Cylinder 4 misfire code. We checked the spark plugs and they all seemed fine. What could be causing this? Why ...

...circuit. Code 304 is for a cylinder miss on number 4. The knock sensor circuit would need to be tested, and you would need to figure out what is missing on cylinder 4. Spark, fuel, or

...spark knock. If you do notice any spark knock after the switch to regular unleaded then try using mid-grade gasoline, which depending on refinery runs between 89-91 octane. The knock should go away. ...

spark should ignite the compressed fuel, thus giving the piston an additional "shove" back down to start its "Power" stroke, once its reached the bottom of the power stroke (stroke #2 of 4) it is then

4 Signs You Need to Replace Your Spark Plugs · Rough Idling. If you notice that your engine seems excessively loud while you are sitting at a stoplight or stop sign, your spark plugs may be to blame.

...spark plug size; 4) incorrect timing, etc. If it is a deep knock that is loud, the rod bearings are worn out. no car stated, sure a huge truck what truch what year. what country we know its a ...