What has power to the coil but no spark?

What has power to the coil but no spark?

There are a few reasons for no spark, new coil pack could be defective, crank sensor, ignition module or bad wire in primary circuit, faulty ECM/PCM. You may have to have a good technician have a look, diagnose and estimate repair. Second link gives detailed instructions for testing and diagnosing coil pack.

What indicates a dead ignition coil?

Common signs include the Check Engine Light coming on, engine misfiring, rough idle, a reduction in power, and the car not starting.

Can a spark plug fail under compression?

The focal point of this video was to make you aware that it is possible to visually observe good spark at the electrode of a grounded spark plug during troubleshooting, yet when the plug is reinstalled and energized under compression, it can fail due to power supply issues or if the plug itself is defective.

How long can you drive with a bad ignition coil?

“How long should I drive my car with one bad coil pack?” The answer to that is about a week or less. Why? When runnig with a bad coil pack, that will inhibit the spark in that once cylinder, and the gasses, unburnt will flow through the exhust and potentilly gum up the catalytic converter.

What will happen if spark plug gap is wrong?

Spark plugs that are gapped incorrectly can cause an engine to miss, or run erratically, especially during idle. The incorrect spark plug gaps can cause uneven firing of individual spark plugs and delay engine combustion; both of which can cause an engine to miss or idle erratically.

What did the spark plug blow out on my Acura MDX?

Spark plug blew out and destroyed engine – Maintenance/Repairs – Car Talk Community I have an older Acura MDX with 188,000 miles on it. A couple days ago while driving down the road there was a very loud pop/bang noise followed by what sounded like 100 motorcycles around me and lots of smoke coming out …

What to do when your engine has no spark?

Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. Finally, Have someone crank the engine and watch for spark. Remove one of the coils from the spark plug. Use an extra spark plug. A spark plug tester. Or even a screwdriver in the end of the coil.

What happens if spark plug blows out of head?

If a spark plug blew out of a head, it usually means the spark plug threads in the head were ripped out also. And since these are aluminum heads, this is probably what has happened. The question then becomes, is it worth it to remove the heads on a vehicle with a 188,000 miles on it to repair one spark plug hole?

How many miles does an Acura MDX have?

A couple days ago while driving down the road there was a very loud pop/bang noise followed by what sounded like 100 motorcycles around me and lots of smoke coming out … I have an older Acura MDX with 188,000 miles on it.

Spark plug blew out and destroyed engine – Maintenance/Repairs – Car Talk Community I have an older Acura MDX with 188,000 miles on it. A couple days ago while driving down the road there was a very loud pop/bang noise followed by what sounded like 100 motorcycles around me and lots of smoke coming out …

A couple days ago while driving down the road there was a very loud pop/bang noise followed by what sounded like 100 motorcycles around me and lots of smoke coming out … I have an older Acura MDX with 188,000 miles on it.

If a spark plug blew out of a head, it usually means the spark plug threads in the head were ripped out also. And since these are aluminum heads, this is probably what has happened. The question then becomes, is it worth it to remove the heads on a vehicle with a 188,000 miles on it to repair one spark plug hole?

What should I do if my spark plug blew out?

More than likely, the plug is still in the wire/coil boot. Ask to see the plug or what’s left of it. You can pay $50 and have it towed to get a second opinio. If a spark plug blew out of a head, it usually means the spark plug threads in the head were ripped out also. And since these are aluminum heads, this is probably what has happened.